lsyscache.c File Reference

#include "postgres.h"
#include "access/hash.h"
#include "access/htup_details.h"
#include "access/nbtree.h"
#include "bootstrap/bootstrap.h"
#include "catalog/namespace.h"
#include "catalog/pg_am.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_cast.h"
#include "catalog/pg_collation.h"
#include "catalog/pg_constraint.h"
#include "catalog/pg_language.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_range.h"
#include "catalog/pg_statistic.h"
#include "catalog/pg_transform.h"
#include "catalog/pg_type.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/catcache.h"
#include "utils/datum.h"
#include "utils/fmgroids.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "utils/syscache.h"
#include "utils/typcache.h"

Include dependency graph for lsyscache.c:

Go to the source code of this file.

Functions
bool	op_in_opfamily (Oid opno, Oid opfamily)
int	get_op_opfamily_strategy (Oid opno, Oid opfamily)
Oid	get_op_opfamily_sortfamily (Oid opno, Oid opfamily)
void	get_op_opfamily_properties (Oid opno, Oid opfamily, bool ordering_op, int *strategy, Oid *lefttype, Oid *righttype)
Oid	get_opfamily_member (Oid opfamily, Oid lefttype, Oid righttype, int16 strategy)
bool	get_ordering_op_properties (Oid opno, Oid *opfamily, Oid *opcintype, int16 *strategy)
Oid	get_equality_op_for_ordering_op (Oid opno, bool *reverse)
Oid	get_ordering_op_for_equality_op (Oid opno, bool use_lhs_type)
List *	get_mergejoin_opfamilies (Oid opno)
bool	get_compatible_hash_operators (Oid opno, Oid *lhs_opno, Oid *rhs_opno)
bool	get_op_hash_functions (Oid opno, RegProcedure *lhs_procno, RegProcedure *rhs_procno)
List *	get_op_btree_interpretation (Oid opno)
bool	equality_ops_are_compatible (Oid opno1, Oid opno2)
bool	comparison_ops_are_compatible (Oid opno1, Oid opno2)
Oid	get_opfamily_proc (Oid opfamily, Oid lefttype, Oid righttype, int16 procnum)
char *	get_attname (Oid relid, AttrNumber attnum, bool missing_ok)
AttrNumber	get_attnum (Oid relid, const char *attname)
int	get_attstattarget (Oid relid, AttrNumber attnum)
char	get_attgenerated (Oid relid, AttrNumber attnum)
Oid	get_atttype (Oid relid, AttrNumber attnum)
void	get_atttypetypmodcoll (Oid relid, AttrNumber attnum, Oid *typid, int32 *typmod, Oid *collid)
Datum	get_attoptions (Oid relid, int16 attnum)
Oid	get_cast_oid (Oid sourcetypeid, Oid targettypeid, bool missing_ok)
char *	get_collation_name (Oid colloid)
bool	get_collation_isdeterministic (Oid colloid)
char *	get_constraint_name (Oid conoid)
Oid	get_constraint_index (Oid conoid)
char *	get_language_name (Oid langoid, bool missing_ok)
Oid	get_opclass_family (Oid opclass)
Oid	get_opclass_input_type (Oid opclass)
bool	get_opclass_opfamily_and_input_type (Oid opclass, Oid *opfamily, Oid *opcintype)
RegProcedure	get_opcode (Oid opno)
char *	get_opname (Oid opno)
Oid	get_op_rettype (Oid opno)
void	op_input_types (Oid opno, Oid *lefttype, Oid *righttype)
bool	op_mergejoinable (Oid opno, Oid inputtype)
bool	op_hashjoinable (Oid opno, Oid inputtype)
bool	op_strict (Oid opno)
char	op_volatile (Oid opno)
Oid	get_commutator (Oid opno)
Oid	get_negator (Oid opno)
RegProcedure	get_oprrest (Oid opno)
RegProcedure	get_oprjoin (Oid opno)
char *	get_func_name (Oid funcid)
Oid	get_func_namespace (Oid funcid)
Oid	get_func_rettype (Oid funcid)
int	get_func_nargs (Oid funcid)
Oid	get_func_signature (Oid funcid, Oid **argtypes, int *nargs)
Oid	get_func_variadictype (Oid funcid)
bool	get_func_retset (Oid funcid)
bool	func_strict (Oid funcid)
char	func_volatile (Oid funcid)
char	func_parallel (Oid funcid)
char	get_func_prokind (Oid funcid)
bool	get_func_leakproof (Oid funcid)
RegProcedure	get_func_support (Oid funcid)
Oid	get_relname_relid (const char *relname, Oid relnamespace)
char *	get_rel_name (Oid relid)
Oid	get_rel_namespace (Oid relid)
Oid	get_rel_type_id (Oid relid)
char	get_rel_relkind (Oid relid)
bool	get_rel_relispartition (Oid relid)
Oid	get_rel_tablespace (Oid relid)
char	get_rel_persistence (Oid relid)
Oid	get_transform_fromsql (Oid typid, Oid langid, List *trftypes)
Oid	get_transform_tosql (Oid typid, Oid langid, List *trftypes)
bool	get_typisdefined (Oid typid)
int16	get_typlen (Oid typid)
bool	get_typbyval (Oid typid)
void	get_typlenbyval (Oid typid, int16 *typlen, bool *typbyval)
void	get_typlenbyvalalign (Oid typid, int16 *typlen, bool *typbyval, char *typalign)
Oid	getTypeIOParam (HeapTuple typeTuple)
void	get_type_io_data (Oid typid, IOFuncSelector which_func, int16 *typlen, bool *typbyval, char *typalign, char *typdelim, Oid *typioparam, Oid *func)
char	get_typstorage (Oid typid)
Node *	get_typdefault (Oid typid)
Oid	getBaseType (Oid typid)
Oid	getBaseTypeAndTypmod (Oid typid, int32 *typmod)
int32	get_typavgwidth (Oid typid, int32 typmod)
char	get_typtype (Oid typid)
bool	type_is_rowtype (Oid typid)
bool	type_is_enum (Oid typid)
bool	type_is_range (Oid typid)
bool	type_is_multirange (Oid typid)
void	get_type_category_preferred (Oid typid, char *typcategory, bool *typispreferred)
Oid	get_typ_typrelid (Oid typid)
Oid	get_element_type (Oid typid)
Oid	get_array_type (Oid typid)
Oid	get_promoted_array_type (Oid typid)
Oid	get_base_element_type (Oid typid)
void	getTypeInputInfo (Oid type, Oid *typInput, Oid *typIOParam)
void	getTypeOutputInfo (Oid type, Oid *typOutput, bool *typIsVarlena)
void	getTypeBinaryInputInfo (Oid type, Oid *typReceive, Oid *typIOParam)
void	getTypeBinaryOutputInfo (Oid type, Oid *typSend, bool *typIsVarlena)
Oid	get_typmodin (Oid typid)
Oid	get_typcollation (Oid typid)
bool	type_is_collatable (Oid typid)
RegProcedure	get_typsubscript (Oid typid, Oid *typelemp)
const struct SubscriptRoutines *	getSubscriptingRoutines (Oid typid, Oid *typelemp)
int32	get_attavgwidth (Oid relid, AttrNumber attnum)
bool	get_attstatsslot (AttStatsSlot *sslot, HeapTuple statstuple, int reqkind, Oid reqop, int flags)
void	free_attstatsslot (AttStatsSlot *sslot)
char *	get_namespace_name (Oid nspid)
char *	get_namespace_name_or_temp (Oid nspid)
Oid	get_range_subtype (Oid rangeOid)
Oid	get_range_collation (Oid rangeOid)
Oid	get_range_multirange (Oid rangeOid)
Oid	get_multirange_range (Oid multirangeOid)
Oid	get_index_column_opclass (Oid index_oid, int attno)
bool	get_index_isreplident (Oid index_oid)
bool	get_index_isvalid (Oid index_oid)
bool	get_index_isclustered (Oid index_oid)

Variables
get_attavgwidth_hook_type	get_attavgwidth_hook = NULL

Function Documentation

comparison_ops_are_compatible()

bool comparison_ops_are_compatible	(	Oid	opno1,
		Oid	opno2
	)

Definition at line 747 of file lsyscache.c.

{
    bool        result;
    CatCList   *catlist;
    int         i;
 
    /* Easy if they're the same operator */
    if (opno1 == opno2)
        return true;
 
    /*
     * We search through all the pg_amop entries for opno1.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno1));
 
    result = false;
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   op_tuple = &catlist->members[i]->tuple;
        Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple);
 
        if (op_form->amopmethod == BTREE_AM_OID)
        {
            if (op_in_opfamily(opno2, op_form->amopfamily))
            {
                result = true;
                break;
            }
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, GETSTRUCT, i, catclist::members, catclist::n_members, ObjectIdGetDatum, op_in_opfamily(), ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by ineq_histogram_selectivity().

equality_ops_are_compatible()

bool equality_ops_are_compatible	(	Oid	opno1,
		Oid	opno2
	)

Definition at line 696 of file lsyscache.c.

{
    bool        result;
    CatCList   *catlist;
    int         i;
 
    /* Easy if they're the same operator */
    if (opno1 == opno2)
        return true;
 
    /*
     * We search through all the pg_amop entries for opno1.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno1));
 
    result = false;
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   op_tuple = &catlist->members[i]->tuple;
        Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple);
 
        /* must be btree or hash */
        if (op_form->amopmethod == BTREE_AM_OID ||
            op_form->amopmethod == HASH_AM_OID)
        {
            if (op_in_opfamily(opno2, op_form->amopfamily))
            {
                result = true;
                break;
            }
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, GETSTRUCT, i, catclist::members, catclist::n_members, ObjectIdGetDatum, op_in_opfamily(), ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by query_is_distinct_for().

free_attstatsslot()

void free_attstatsslot

(

AttStatsSlot *

sslot

)

Definition at line 3304 of file lsyscache.c.

{
    /* The values[] array was separately palloc'd by deconstruct_array */
    if (sslot->values)
        pfree(sslot->values);
    /* The numbers[] array points into numbers_arr, do not pfree it */
    /* Free the detoasted array objects, if any */
    if (sslot->values_arr)
        pfree(sslot->values_arr);
    if (sslot->numbers_arr)
        pfree(sslot->numbers_arr);
}

References AttStatsSlot::numbers_arr, pfree(), AttStatsSlot::values, and AttStatsSlot::values_arr.

Referenced by _int_matchsel(), booltestsel(), brincostestimate(), btcostestimate(), calc_arraycontsel(), calc_hist_selectivity(), calc_multirangesel(), calc_rangesel(), eqjoinsel(), estimate_hash_bucket_stats(), ExecHashBuildSkewHash(), get_variable_range(), histogram_selectivity(), ineq_histogram_selectivity(), mcv_selectivity(), networkjoinsel_inner(), networkjoinsel_semi(), networksel(), scalararraysel_containment(), tsquerysel(), var_eq_const(), and var_eq_non_const().

func_parallel()

char func_parallel

(

Oid

funcid

)

Definition at line 1780 of file lsyscache.c.

{
    HeapTuple   tp;
    char        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->proparallel;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by max_parallel_hazard_checker(), and set_rel_consider_parallel().

func_strict()

bool func_strict

(

Oid

funcid

)

Definition at line 1742 of file lsyscache.c.

{
    HeapTuple   tp;
    bool        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->proisstrict;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by AggregateCreate(), clause_is_strict_for(), contain_nonstrict_functions_checker(), find_nonnullable_rels_walker(), find_nonnullable_vars_walker(), hash_ok_operator(), is_strict_saop(), op_strict(), and process_equivalence().

func_volatile()

char func_volatile

(

Oid

funcid

)

Definition at line 1761 of file lsyscache.c.

{
    HeapTuple   tp;
    char        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->provolatile;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by contain_mutable_functions_checker(), contain_mutable_or_user_functions_checker(), contain_volatile_functions_checker(), contain_volatile_functions_not_nextval_checker(), ece_function_is_safe(), findRangeCanonicalFunction(), findRangeSubtypeDiffFunction(), findTypeInputFunction(), findTypeOutputFunction(), findTypeReceiveFunction(), findTypeSendFunction(), findTypeTypmodinFunction(), findTypeTypmodoutFunction(), op_volatile(), to_json_is_immutable(), and to_jsonb_is_immutable().

get_array_type()

Oid get_array_type

(

Oid

typid

)

Definition at line 2744 of file lsyscache.c.

{
    HeapTuple   tp;
    Oid         result = InvalidOid;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        result = ((Form_pg_type) GETSTRUCT(tp))->typarray;
        ReleaseSysCache(tp);
    }
    return result;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by AlterTypeNamespace_oid(), enforce_generic_type_consistency(), get_promoted_array_type(), initArrayResultAny(), LookupTypeNameExtended(), make_partition_op_expr(), make_scalar_array_op(), moveArrayTypeName(), ParseFuncOrColumn(), resolve_anyarray_from_others(), transformAExprIn(), and transformArrayExpr().

get_attavgwidth()

int32 get_attavgwidth	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 3115 of file lsyscache.c.

{
    HeapTuple   tp;
    int32       stawidth;
 
    if (get_attavgwidth_hook)
    {
        stawidth = (*get_attavgwidth_hook) (relid, attnum);
        if (stawidth > 0)
            return stawidth;
    }
    tp = SearchSysCache3(STATRELATTINH,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum),
                         BoolGetDatum(false));
    if (HeapTupleIsValid(tp))
    {
        stawidth = ((Form_pg_statistic) GETSTRUCT(tp))->stawidth;
        ReleaseSysCache(tp);
        if (stawidth > 0)
            return stawidth;
    }
    return 0;
}

References attnum, BoolGetDatum, get_attavgwidth_hook, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache3(), and STATRELATTINH.

Referenced by get_rel_data_width(), and set_rel_width().

get_attgenerated()

char get_attgenerated	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 913 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_attribute att_tup;
    char        result;
 
    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
    att_tup = (Form_pg_attribute) GETSTRUCT(tp);
    result = att_tup->attgenerated;
    ReleaseSysCache(tp);
    return result;
}

References attnum, ATTNUM, elog, ERROR, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by check_nested_generated_walker().

get_attname()

char* get_attname	(	Oid	relid,
		AttrNumber	attnum,
		bool	missing_ok
	)

Definition at line 825 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid), Int16GetDatum(attnum));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(att_tup->attname));
        ReleaseSysCache(tp);
        return result;
    }
 
    if (!missing_ok)
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
    return NULL;
}

References attnum, ATTNUM, elog, ERROR, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), and SearchSysCache2().

Referenced by AddRelationNewConstraints(), ATExecAlterColumnType(), check_nested_generated_walker(), ComputePartitionAttrs(), contain_invalid_rfcolumn_walker(), CreateStatistics(), decompile_column_index_array(), deparseColumnRef(), errtablecol(), fixup_inherited_columns(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_insert_query_def(), get_rte_attribute_name(), get_update_query_targetlist_def(), getObjectDescription(), getObjectIdentityParts(), pg_get_constraintdef_worker(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_triggerdef_worker(), processIndirection(), pub_collist_contains_invalid_column(), transformPartitionBound(), and transformPartitionRangeBounds().

get_attnum()

AttrNumber get_attnum	(	Oid	relid,
		const char *	attname
	)

Definition at line 856 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCacheAttName(relid, attname);
    if (HeapTupleIsValid(tp))
    {
        Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
        AttrNumber  result;
 
        result = att_tup->attnum;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidAttrNumber;
}

References attname, GETSTRUCT, HeapTupleIsValid, InvalidAttrNumber, ReleaseSysCache(), and SearchSysCacheAttName().

Referenced by AlterPublicationTables(), ATExecColumnDefault(), ATExecDropNotNull(), contain_invalid_rfcolumn_walker(), expand_col_privileges(), fixup_inherited_columns(), get_object_address_attrdef(), get_object_address_attribute(), LookupTypeNameExtended(), pg_get_serial_sequence(), process_owned_by(), pub_collist_contains_invalid_column(), publication_translate_columns(), transformAlterTableStmt(), and transformAssignmentIndirection().

get_attoptions()

Datum get_attoptions	(	Oid	relid,
		int16	attnum
	)

Definition at line 995 of file lsyscache.c.

{
    HeapTuple   tuple;
    Datum       attopts;
    Datum       result;
    bool        isnull;
 
    tuple = SearchSysCache2(ATTNUM,
                            ObjectIdGetDatum(relid),
                            Int16GetDatum(attnum));
 
    if (!HeapTupleIsValid(tuple))
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
 
    attopts = SysCacheGetAttr(ATTNAME, tuple, Anum_pg_attribute_attoptions,
                              &isnull);
 
    if (isnull)
        result = (Datum) 0;
    else
        result = datumCopy(attopts, false, -1); /* text[] */
 
    ReleaseSysCache(tuple);
 
    return result;
}

References ATTNAME, attnum, ATTNUM, datumCopy(), elog, ERROR, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache2(), and SysCacheGetAttr().

Referenced by generateClonedIndexStmt(), index_concurrently_create_copy(), pg_get_indexdef_worker(), RelationGetIndexAttOptions(), RelationGetIndexRawAttOptions(), and transformIndexConstraint().

get_attstatsslot()

bool get_attstatsslot	(	AttStatsSlot *	sslot,
		HeapTuple	statstuple,
		int	reqkind,
		Oid	reqop,
		int	flags
	)

Definition at line 3187 of file lsyscache.c.

{
    Form_pg_statistic stats = (Form_pg_statistic) GETSTRUCT(statstuple);
    int         i;
    Datum       val;
    bool        isnull;
    ArrayType  *statarray;
    Oid         arrayelemtype;
    int         narrayelem;
    HeapTuple   typeTuple;
    Form_pg_type typeForm;
 
    /* initialize *sslot properly */
    memset(sslot, 0, sizeof(AttStatsSlot));
 
    for (i = 0; i < STATISTIC_NUM_SLOTS; i++)
    {
        if ((&stats->stakind1)[i] == reqkind &&
            (reqop == InvalidOid || (&stats->staop1)[i] == reqop))
            break;
    }
    if (i >= STATISTIC_NUM_SLOTS)
        return false;           /* not there */
 
    sslot->staop = (&stats->staop1)[i];
    sslot->stacoll = (&stats->stacoll1)[i];
 
    if (flags & ATTSTATSSLOT_VALUES)
    {
        val = SysCacheGetAttr(STATRELATTINH, statstuple,
                              Anum_pg_statistic_stavalues1 + i,
                              &isnull);
        if (isnull)
            elog(ERROR, "stavalues is null");
 
        /*
         * Detoast the array if needed, and in any case make a copy that's
         * under control of this AttStatsSlot.
         */
        statarray = DatumGetArrayTypePCopy(val);
 
        /*
         * Extract the actual array element type, and pass it back in case the
         * caller needs it.
         */
        sslot->valuetype = arrayelemtype = ARR_ELEMTYPE(statarray);
 
        /* Need info about element type */
        typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(arrayelemtype));
        if (!HeapTupleIsValid(typeTuple))
            elog(ERROR, "cache lookup failed for type %u", arrayelemtype);
        typeForm = (Form_pg_type) GETSTRUCT(typeTuple);
 
        /* Deconstruct array into Datum elements; NULLs not expected */
        deconstruct_array(statarray,
                          arrayelemtype,
                          typeForm->typlen,
                          typeForm->typbyval,
                          typeForm->typalign,
                          &sslot->values, NULL, &sslot->nvalues);
 
        /*
         * If the element type is pass-by-reference, we now have a bunch of
         * Datums that are pointers into the statarray, so we need to keep
         * that until free_attstatsslot.  Otherwise, all the useful info is in
         * sslot->values[], so we can free the array object immediately.
         */
        if (!typeForm->typbyval)
            sslot->values_arr = statarray;
        else
            pfree(statarray);
 
        ReleaseSysCache(typeTuple);
    }
 
    if (flags & ATTSTATSSLOT_NUMBERS)
    {
        val = SysCacheGetAttr(STATRELATTINH, statstuple,
                              Anum_pg_statistic_stanumbers1 + i,
                              &isnull);
        if (isnull)
            elog(ERROR, "stanumbers is null");
 
        /*
         * Detoast the array if needed, and in any case make a copy that's
         * under control of this AttStatsSlot.
         */
        statarray = DatumGetArrayTypePCopy(val);
 
        /*
         * We expect the array to be a 1-D float4 array; verify that. We don't
         * need to use deconstruct_array() since the array data is just going
         * to look like a C array of float4 values.
         */
        narrayelem = ARR_DIMS(statarray)[0];
        if (ARR_NDIM(statarray) != 1 || narrayelem <= 0 ||
            ARR_HASNULL(statarray) ||
            ARR_ELEMTYPE(statarray) != FLOAT4OID)
            elog(ERROR, "stanumbers is not a 1-D float4 array");
 
        /* Give caller a pointer directly into the statarray */
        sslot->numbers = (float4 *) ARR_DATA_PTR(statarray);
        sslot->nnumbers = narrayelem;
 
        /* We'll free the statarray in free_attstatsslot */
        sslot->numbers_arr = statarray;
    }
 
    return true;
}

References ARR_DATA_PTR, ARR_DIMS, ARR_ELEMTYPE, ARR_HASNULL, ARR_NDIM, ATTSTATSSLOT_NUMBERS, ATTSTATSSLOT_VALUES, DatumGetArrayTypePCopy, deconstruct_array(), elog, ERROR, GETSTRUCT, HeapTupleIsValid, i, InvalidOid, AttStatsSlot::nnumbers, AttStatsSlot::numbers, AttStatsSlot::numbers_arr, AttStatsSlot::nvalues, ObjectIdGetDatum, pfree(), ReleaseSysCache(), SearchSysCache1(), AttStatsSlot::stacoll, AttStatsSlot::staop, STATISTIC_NUM_SLOTS, STATRELATTINH, SysCacheGetAttr(), TYPEOID, val, AttStatsSlot::values, AttStatsSlot::values_arr, and AttStatsSlot::valuetype.

Referenced by _int_matchsel(), booltestsel(), brincostestimate(), btcostestimate(), calc_arraycontsel(), calc_hist_selectivity(), calc_multirangesel(), calc_rangesel(), eqjoinsel(), estimate_hash_bucket_stats(), ExecHashBuildSkewHash(), get_variable_range(), histogram_selectivity(), ineq_histogram_selectivity(), mcv_selectivity(), networkjoinsel_inner(), networkjoinsel_semi(), networksel(), scalararraysel_containment(), tsquerysel(), var_eq_const(), and var_eq_non_const().

get_attstattarget()

int get_attstattarget	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 883 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_attribute att_tup;
    int         result;
 
    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
    att_tup = (Form_pg_attribute) GETSTRUCT(tp);
    result = att_tup->attstattarget;
    ReleaseSysCache(tp);
    return result;
}

References attnum, ATTNUM, elog, ERROR, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by index_concurrently_swap().

get_atttype()

Oid get_atttype	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 938 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
        Oid         result;
 
        result = att_tup->atttypid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References attnum, ATTNUM, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by generateClonedIndexStmt(), GetIndexInputType(), LookupTypeNameExtended(), and transformAlterTableStmt().

get_atttypetypmodcoll()

void get_atttypetypmodcoll	(	Oid	relid,
		AttrNumber	attnum,
		Oid *	typid,
		int32 *	typmod,
		Oid *	collid
	)

Definition at line 968 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_attribute att_tup;
 
    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
    att_tup = (Form_pg_attribute) GETSTRUCT(tp);
 
    *typid = att_tup->atttypid;
    *typmod = att_tup->atttypmod;
    *collid = att_tup->attcollation;
    ReleaseSysCache(tp);
}

References attnum, ATTNUM, elog, ERROR, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by pg_get_indexdef_worker(), pg_get_partkeydef_worker(), and transformAssignmentIndirection().

get_base_element_type()

Oid get_base_element_type

(

Oid

typid

)

Definition at line 2789 of file lsyscache.c.

{
    /*
     * We loop to find the bottom base type in a stack of domains.
     */
    for (;;)
    {
        HeapTuple   tup;
        Form_pg_type typTup;
 
        tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
        if (!HeapTupleIsValid(tup))
            break;
        typTup = (Form_pg_type) GETSTRUCT(tup);
        if (typTup->typtype != TYPTYPE_DOMAIN)
        {
            /* Not a domain, so stop descending */
            Oid         result;
 
            /* This test must match get_element_type */
            if (IsTrueArrayType(typTup))
                result = typTup->typelem;
            else
                result = InvalidOid;
            ReleaseSysCache(tup);
            return result;
        }
 
        typid = typTup->typbasetype;
        ReleaseSysCache(tup);
    }
 
    /* Like get_element_type, silently return InvalidOid for bogus input */
    return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by array_typanalyze(), arraycontsel(), build_datatype(), cache_array_element_properties(), concat_internal(), ConstructTupleDescriptor(), count_nulls(), CreateFunction(), get_call_expr_argtype(), get_rule_expr(), make_scalar_array_op(), ParseFuncOrColumn(), plperl_hash_from_tuple(), scalararraysel(), and text_format().

get_cast_oid()

Oid get_cast_oid	(	Oid	sourcetypeid,
		Oid	targettypeid,
		bool	missing_ok
	)

Definition at line 1032 of file lsyscache.c.

{
    Oid         oid;
 
    oid = GetSysCacheOid2(CASTSOURCETARGET, Anum_pg_cast_oid,
                          ObjectIdGetDatum(sourcetypeid),
                          ObjectIdGetDatum(targettypeid));
    if (!OidIsValid(oid) && !missing_ok)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("cast from type %s to type %s does not exist",
                        format_type_be(sourcetypeid),
                        format_type_be(targettypeid))));
    return oid;
}

References CASTSOURCETARGET, ereport, errcode(), errmsg(), ERROR, format_type_be(), GetSysCacheOid2, ObjectIdGetDatum, and OidIsValid.

Referenced by get_object_address().

get_collation_isdeterministic()

bool get_collation_isdeterministic

(

Oid

colloid

)

Definition at line 1079 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_collation colltup;
    bool        result;
 
    tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(colloid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for collation %u", colloid);
    colltup = (Form_pg_collation) GETSTRUCT(tp);
    result = colltup->collisdeterministic;
    ReleaseSysCache(tp);
    return result;
}

References COLLOID, elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by btvarstrequalimage(), index_create(), match_pattern_prefix(), RI_FKey_cascade_del(), RI_FKey_cascade_upd(), ri_restrict(), and ri_set().

get_collation_name()

char* get_collation_name

(

Oid

colloid

)

Definition at line 1060 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(colloid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_collation colltup = (Form_pg_collation) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(colltup->collname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References COLLOID, GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by analyzeCTE(), assign_collations_walker(), assign_hypothetical_collations(), ATExecAddColumn(), checkViewTupleDesc(), merge_collation_state(), MergeAttributes(), select_common_collation(), and show_sortorder_options().

get_commutator()

Oid get_commutator

(

Oid

opno

)

Definition at line 1490 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        Oid         result;
 
        result = optup->oprcom;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by CommuteOpExpr(), compute_semijoin_info(), ComputeIndexAttrs(), convert_EXISTS_to_ANY(), eqjoinsel(), expand_indexqual_rowcompare(), match_clause_to_ordering_op(), match_clause_to_partition_key(), match_foreign_keys_to_quals(), match_opclause_to_indexcol(), match_rowcompare_to_indexcol(), multirangesel(), networkjoinsel(), operator_predicate_proof(), rangesel(), scalarineqsel_wrapper(), and targetIsInSortList().

get_compatible_hash_operators()

bool get_compatible_hash_operators	(	Oid	opno,
		Oid *	lhs_opno,
		Oid *	rhs_opno
	)

Definition at line 408 of file lsyscache.c.

{
    bool        result = false;
    CatCList   *catlist;
    int         i;
 
    /* Ensure output args are initialized on failure */
    if (lhs_opno)
        *lhs_opno = InvalidOid;
    if (rhs_opno)
        *rhs_opno = InvalidOid;
 
    /*
     * Search pg_amop to see if the target operator is registered as the "="
     * operator of any hash opfamily.  If the operator is registered in
     * multiple opfamilies, assume we can use any one.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   tuple = &catlist->members[i]->tuple;
        Form_pg_amop aform = (Form_pg_amop) GETSTRUCT(tuple);
 
        if (aform->amopmethod == HASH_AM_OID &&
            aform->amopstrategy == HTEqualStrategyNumber)
        {
            /* No extra lookup needed if given operator is single-type */
            if (aform->amoplefttype == aform->amoprighttype)
            {
                if (lhs_opno)
                    *lhs_opno = opno;
                if (rhs_opno)
                    *rhs_opno = opno;
                result = true;
                break;
            }
 
            /*
             * Get the matching single-type operator(s).  Failure probably
             * shouldn't happen --- it implies a bogus opfamily --- but
             * continue looking if so.
             */
            if (lhs_opno)
            {
                *lhs_opno = get_opfamily_member(aform->amopfamily,
                                                aform->amoplefttype,
                                                aform->amoplefttype,
                                                HTEqualStrategyNumber);
                if (!OidIsValid(*lhs_opno))
                    continue;
                /* Matching LHS found, done if caller doesn't want RHS */
                if (!rhs_opno)
                {
                    result = true;
                    break;
                }
            }
            if (rhs_opno)
            {
                *rhs_opno = get_opfamily_member(aform->amopfamily,
                                                aform->amoprighttype,
                                                aform->amoprighttype,
                                                HTEqualStrategyNumber);
                if (!OidIsValid(*rhs_opno))
                {
                    /* Forget any LHS operator from this opfamily */
                    if (lhs_opno)
                        *lhs_opno = InvalidOid;
                    continue;
                }
                /* Matching RHS found, so done */
                result = true;
                break;
            }
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, get_opfamily_member(), GETSTRUCT, HTEqualStrategyNumber, i, InvalidOid, catclist::members, catclist::n_members, ObjectIdGetDatum, OidIsValid, ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by create_unique_plan(), and ExecInitSubPlan().

get_constraint_index()

Oid get_constraint_index

(

Oid

conoid

)

Definition at line 1138 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(CONSTROID, ObjectIdGetDatum(conoid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_constraint contup = (Form_pg_constraint) GETSTRUCT(tp);
        Oid         result;
 
        if (contup->contype == CONSTRAINT_UNIQUE ||
            contup->contype == CONSTRAINT_PRIMARY ||
            contup->contype == CONSTRAINT_EXCLUSION)
            result = contup->conindid;
        else
            result = InvalidOid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References CONSTROID, GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by ATPostAlterTypeParse(), infer_arbiter_indexes(), and RememberConstraintForRebuilding().

get_constraint_name()

char* get_constraint_name

(

Oid

conoid

)

Definition at line 1106 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(CONSTROID, ObjectIdGetDatum(conoid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_constraint contup = (Form_pg_constraint) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(contup->conname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References CONSTROID, GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by addFkRecurseReferencing(), get_insert_query_def(), and report_triggers().

get_element_type()

Oid get_element_type

(

Oid

typid

)

Definition at line 2716 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        Oid         result;
 
        if (IsTrueArrayType(typtup))
            result = typtup->typelem;
        else
            result = InvalidOid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by aclcheck_error_type(), AlterTypeNamespace_oid(), build_coercion_expression(), check_generic_type_consistency(), CheckAttributeType(), CreateCast(), enforce_generic_type_consistency(), exec_stmt_foreach_a(), ExecInitExprRec(), fetch_array_arg_replace_nulls(), find_coercion_pathway(), get_promoted_array_type(), initArrayResultAny(), initArrayResultArr(), interpret_function_parameter_list(), is_complex_array(), json_categorize_type(), jsonb_categorize_type(), moveArrayTypeName(), plperl_array_to_datum(), ProcedureCreate(), resolve_anyelement_from_others(), transformArrayExpr(), and transformTypeCast().

get_equality_op_for_ordering_op()

Oid get_equality_op_for_ordering_op	(	Oid	opno,
		bool *	reverse
	)

Definition at line 265 of file lsyscache.c.

{
    Oid         result = InvalidOid;
    Oid         opfamily;
    Oid         opcintype;
    int16       strategy;
 
    /* Find the operator in pg_amop */
    if (get_ordering_op_properties(opno,
                                   &opfamily, &opcintype, &strategy))
    {
        /* Found a suitable opfamily, get matching equality operator */
        result = get_opfamily_member(opfamily,
                                     opcintype,
                                     opcintype,
                                     BTEqualStrategyNumber);
        if (reverse)
            *reverse = (strategy == BTGreaterStrategyNumber);
    }
 
    return result;
}

References BTEqualStrategyNumber, BTGreaterStrategyNumber, get_opfamily_member(), get_ordering_op_properties(), and InvalidOid.

Referenced by addTargetToSortList(), create_unique_plan(), preparePresortedCols(), preprocess_minmax_aggregates(), and show_sortorder_options().

get_func_leakproof()

bool get_func_leakproof

(

Oid

funcid

)

Definition at line 1818 of file lsyscache.c.

{
    HeapTuple   tp;
    bool        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->proleakproof;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by contain_leaked_vars_checker(), contain_leaked_vars_walker(), select_equality_operator(), statext_is_compatible_clause_internal(), and statistic_proc_security_check().

get_func_name()

char* get_func_name

(

Oid

funcid

)

Definition at line 1589 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_proc functup = (Form_pg_proc) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(functup->proname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, PROCOID, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by AlterOpFamilyAdd(), DefineOpClass(), ExecBuildGroupingEqual(), ExecBuildParamSetEqual(), ExecInitAgg(), ExecInitExprRec(), ExecInitFunc(), ExecInitWindowAgg(), ExecuteCallStmt(), ExplainTargetRel(), findRangeCanonicalFunction(), findRangeSubtypeDiffFunction(), HandleFunctionRequest(), init_sexpr(), initialize_peragg(), lookup_agg_function(), lookup_am_handler_func(), print_expr(), show_tablesample(), and statistic_proc_security_check().

get_func_namespace()

Oid get_func_namespace

(

Oid

funcid

)

Definition at line 1613 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_proc functup = (Form_pg_proc) GETSTRUCT(tp);
        Oid         result;
 
        result = functup->pronamespace;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by ExplainTargetRel(), sepgsql_proc_drop(), and unaccent_dict().

get_func_nargs()

int get_func_nargs

(

Oid

funcid

)

Definition at line 1655 of file lsyscache.c.

{
    HeapTuple   tp;
    int         result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->pronargs;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, pronargs, ReleaseSysCache(), and SearchSysCache1().

get_func_prokind()

char get_func_prokind

(

Oid

funcid

)

Definition at line 1799 of file lsyscache.c.

{
    HeapTuple   tp;
    char        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->prokind;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by LookupFuncNameInternal(), LookupFuncWithArgs(), and RemoveObjects().

get_func_retset()

bool get_func_retset

(

Oid

funcid

)

Definition at line 1723 of file lsyscache.c.

{
    HeapTuple   tp;
    bool        result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->proretset;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by make_op(), and make_scalar_array_op().

get_func_rettype()

Oid get_func_rettype

(

Oid

funcid

)

Definition at line 1636 of file lsyscache.c.

{
    HeapTuple   tp;
    Oid         result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->prorettype;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by CreateConversionCommand(), CreateEventTrigger(), CreateProceduralLanguage(), CreateTriggerFiringOn(), DefineOperator(), findRangeCanonicalFunction(), findRangeSubtypeDiffFunction(), findTypeAnalyzeFunction(), findTypeInputFunction(), findTypeOutputFunction(), findTypeReceiveFunction(), findTypeSendFunction(), findTypeSubscriptingFunction(), findTypeTypmodinFunction(), findTypeTypmodoutFunction(), get_ts_parser_func(), get_ts_template_func(), gistrescan(), interpret_func_support(), lookup_am_handler_func(), lookup_fdw_handler_func(), OperatorCreate(), spgrescan(), transformRangeTableSample(), ValidateJoinEstimator(), and ValidateRestrictionEstimator().

get_func_signature()

Oid get_func_signature	(	Oid	funcid,
		Oid **	argtypes,
		int *	nargs
	)

Definition at line 1677 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_proc procstruct;
    Oid         result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    procstruct = (Form_pg_proc) GETSTRUCT(tp);
 
    result = procstruct->prorettype;
    *nargs = (int) procstruct->pronargs;
    Assert(*nargs == procstruct->proargtypes.dim1);
    *argtypes = (Oid *) palloc(*nargs * sizeof(Oid));
    memcpy(*argtypes, procstruct->proargtypes.values, *nargs * sizeof(Oid));
 
    ReleaseSysCache(tp);
    return result;
}

References Assert(), elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, palloc(), PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by plperl_call_perl_func(), and resolve_aggregate_transtype().

get_func_support()

RegProcedure get_func_support

(

Oid

funcid

)

Definition at line 1839 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_proc functup = (Form_pg_proc) GETSTRUCT(tp);
        RegProcedure result;
 
        result = functup->prosupport;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return (RegProcedure) InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by find_window_run_conditions(), function_selectivity(), and get_index_clause_from_support().

get_func_variadictype()

Oid get_func_variadictype

(

Oid

funcid

)

Definition at line 1704 of file lsyscache.c.

{
    HeapTuple   tp;
    Oid         result;
 
    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);
 
    result = ((Form_pg_proc) GETSTRUCT(tp))->provariadic;
    ReleaseSysCache(tp);
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, PROCOID, ReleaseSysCache(), and SearchSysCache1().

Referenced by assign_hypothetical_collations(), and assign_ordered_set_collations().

get_index_column_opclass()

Oid get_index_column_opclass	(	Oid	index_oid,
		int	attno
	)

Definition at line 3472 of file lsyscache.c.

{
    HeapTuple   tuple;
    Form_pg_index rd_index;
    Datum       datum;
    bool        isnull;
    oidvector  *indclass;
    Oid         opclass;
 
    /* First we need to know the column's opclass. */
 
    tuple = SearchSysCache1(INDEXRELID, ObjectIdGetDatum(index_oid));
    if (!HeapTupleIsValid(tuple))
        return InvalidOid;
 
    rd_index = (Form_pg_index) GETSTRUCT(tuple);
 
    /* caller is supposed to guarantee this */
    Assert(attno > 0 && attno <= rd_index->indnatts);
 
    /* Non-key attributes don't have an opclass */
    if (attno > rd_index->indnkeyatts)
    {
        ReleaseSysCache(tuple);
        return InvalidOid;
    }
 
    datum = SysCacheGetAttr(INDEXRELID, tuple,
                            Anum_pg_index_indclass, &isnull);
    Assert(!isnull);
 
    indclass = ((oidvector *) DatumGetPointer(datum));
 
    Assert(attno <= indclass->dim1);
    opclass = indclass->values[attno - 1];
 
    ReleaseSysCache(tuple);
 
    return opclass;
}

References Assert(), DatumGetPointer, GETSTRUCT, HeapTupleIsValid, INDEXRELID, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), SysCacheGetAttr(), and oidvector::values.

Referenced by gistproperty(), and spgproperty().

get_index_isclustered()

bool get_index_isclustered

(

Oid

index_oid

)

Definition at line 3565 of file lsyscache.c.

{
    bool        isclustered;
    HeapTuple   tuple;
    Form_pg_index rd_index;
 
    tuple = SearchSysCache1(INDEXRELID, ObjectIdGetDatum(index_oid));
    if (!HeapTupleIsValid(tuple))
        elog(ERROR, "cache lookup failed for index %u", index_oid);
 
    rd_index = (Form_pg_index) GETSTRUCT(tuple);
    isclustered = rd_index->indisclustered;
    ReleaseSysCache(tuple);
 
    return isclustered;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, INDEXRELID, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by cluster(), cluster_rel(), mark_index_clustered(), and RememberClusterOnForRebuilding().

get_index_isreplident()

bool get_index_isreplident

(

Oid

index_oid

)

Definition at line 3519 of file lsyscache.c.

{
    HeapTuple   tuple;
    Form_pg_index rd_index;
    bool        result;
 
    tuple = SearchSysCache1(INDEXRELID, ObjectIdGetDatum(index_oid));
    if (!HeapTupleIsValid(tuple))
        return false;
 
    rd_index = (Form_pg_index) GETSTRUCT(tuple);
    result = rd_index->indisreplident;
    ReleaseSysCache(tuple);
 
    return result;
}

References GETSTRUCT, HeapTupleIsValid, INDEXRELID, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by RememberReplicaIdentityForRebuilding().

get_index_isvalid()

bool get_index_isvalid

(

Oid

index_oid

)

Definition at line 3542 of file lsyscache.c.

{
    bool        isvalid;
    HeapTuple   tuple;
    Form_pg_index rd_index;
 
    tuple = SearchSysCache1(INDEXRELID, ObjectIdGetDatum(index_oid));
    if (!HeapTupleIsValid(tuple))
        elog(ERROR, "cache lookup failed for index %u", index_oid);
 
    rd_index = (Form_pg_index) GETSTRUCT(tuple);
    isvalid = rd_index->indisvalid;
    ReleaseSysCache(tuple);
 
    return isvalid;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, INDEXRELID, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by reindex_index(), reindex_relation(), and ReindexRelationConcurrently().

get_language_name()

char* get_language_name	(	Oid	langoid,
		bool	missing_ok
	)

Definition at line 1164 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(LANGOID, ObjectIdGetDatum(langoid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_language lantup = (Form_pg_language) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(lantup->lanname));
        ReleaseSysCache(tp);
        return result;
    }
 
    if (!missing_ok)
        elog(ERROR, "cache lookup failed for language %u",
             langoid);
    return NULL;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, LANGOID, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by get_transform_oid(), getObjectDescription(), getObjectIdentityParts(), and pg_get_functiondef().

get_mergejoin_opfamilies()

List* get_mergejoin_opfamilies

(

Oid

opno

)

Definition at line 364 of file lsyscache.c.

{
    List       *result = NIL;
    CatCList   *catlist;
    int         i;
 
    /*
     * Search pg_amop to see if the target operator is registered as the "="
     * operator of any btree opfamily.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   tuple = &catlist->members[i]->tuple;
        Form_pg_amop aform = (Form_pg_amop) GETSTRUCT(tuple);
 
        /* must be btree equality */
        if (aform->amopmethod == BTREE_AM_OID &&
            aform->amopstrategy == BTEqualStrategyNumber)
            result = lappend_oid(result, aform->amopfamily);
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, BTEqualStrategyNumber, GETSTRUCT, i, lappend_oid(), catclist::members, catclist::n_members, NIL, ObjectIdGetDatum, ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by check_mergejoinable(), compute_semijoin_info(), make_pathkey_from_sortinfo(), and match_eclasses_to_foreign_key_col().

get_multirange_range()

Oid get_multirange_range

(

Oid

multirangeOid

)

Definition at line 3443 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RANGEMULTIRANGE, ObjectIdGetDatum(multirangeOid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_range rngtup = (Form_pg_range) GETSTRUCT(tp);
        Oid         result;
 
        result = rngtup->rngtypid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, RANGEMULTIRANGE, ReleaseSysCache(), and SearchSysCache1().

Referenced by check_generic_type_consistency(), enforce_generic_type_consistency(), load_multirangetype_info(), resolve_anyelement_from_others(), and resolve_anyrange_from_others().

get_namespace_name()

char* get_namespace_name

(

Oid

nspid

)

Definition at line 3326 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(NAMESPACEOID, ObjectIdGetDatum(nspid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_namespace nsptup = (Form_pg_namespace) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(nsptup->nspname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References GETSTRUCT, HeapTupleIsValid, NAMESPACEOID, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by acquire_inherited_sample_rows(), AlterExtensionNamespace(), AlterObjectNamespace_internal(), AlterObjectOwner_internal(), AlterObjectRename_internal(), AlterRelationNamespaceInternal(), AlterSubscription_refresh(), AlterTableMoveAll(), AlterTypeNamespaceInternal(), AlterTypeOwner(), appendFunctionName(), ApplyExtensionUpdates(), ATExecChangeOwner(), ATParseTransformCmd(), BuildRelationExtStatistics(), check_publication_add_schema(), check_TSCurrentConfig(), CheckObjSchemaNotAlreadyInPublication(), compute_return_type(), copy_table(), copy_table_data(), CreateConversionCommand(), CreateExtensionInternal(), CreateFunction(), current_schema(), current_schemas(), currtid_internal(), DefineAggregate(), DefineCollation(), DefineDomain(), DefineEnum(), DefineIndex(), DefineOpClass(), DefineOperator(), DefineOpFamily(), DefineRange(), DefineTSConfiguration(), DefineTSDictionary(), DefineType(), deparseOperatorName(), deparseRelation(), do_analyze_rel(), do_autovacuum(), DoCopy(), errdatatype(), errtable(), EventTriggerSQLDropAddObject(), exec_object_restorecon(), ExecAlterExtensionContentsStmt(), ExecBRInsertTriggers(), ExecRefreshMatView(), execute_extension_script(), fetch_statentries_for_relation(), format_operator_extended(), format_procedure_extended(), generate_operator_clause(), generate_relation_name(), generateClonedIndexStmt(), generateSerialExtraStmts(), get_collation(), get_namespace_name_or_temp(), get_opclass(), get_other_operator(), getObjectDescription(), getOpFamilyDescription(), getPublicationSchemaInfo(), getRelationDescription(), GetTempNamespaceBackendId(), HandleFunctionRequest(), heap_create(), heap_vacuum_rel(), isAnyTempNamespace(), IsThereCollationInNamespace(), IsThereFunctionInNamespace(), IsThereOpClassInNamespace(), IsThereOpFamilyInNamespace(), logicalrep_write_namespace(), map_sql_catalog_to_xmlschema_types(), map_sql_schema_to_xmlschema_types(), map_sql_table_to_xmlschema(), map_sql_type_to_xml_name(), MarkInheritDetached(), parallel_vacuum_main(), perform_work_item(), pg_decode_change(), pg_decode_truncate(), pg_identify_object(), pg_newlocale_from_collation(), pgoutput_row_filter(), plpgsql_fulfill_promise(), publication_add_schema(), PublicationDropSchemas(), quoteRelationName(), RangeVarCallbackForAlterRelation(), RangeVarGetAndCheckCreationNamespace(), RebuildConstraintComment(), refresh_by_match_merge(), regclassout(), regcollationout(), regconfigout(), regdictionaryout(), regnamespaceout(), regoperout(), regprocout(), reindex_index(), reindex_relation(), ReindexMultipleInternal(), ReindexPartitions(), ReindexRelationConcurrently(), report_namespace_conflict(), ri_GenerateQualCollation(), schema_to_xml_internal(), sepgsql_proc_post_create(), sepgsql_relation_post_create(), SPI_getnspname(), transformAlterTableStmt(), transformCreateStmt(), and unaccent_dict().

get_namespace_name_or_temp()

char* get_namespace_name_or_temp

(

Oid

nspid

)

Definition at line 3350 of file lsyscache.c.

{
    if (isTempNamespace(nspid))
        return pstrdup("pg_temp");
    else
        return get_namespace_name(nspid);
}

References get_namespace_name(), isTempNamespace(), and pstrdup().

Referenced by add_cast_to(), ExplainTargetRel(), format_operator_parts(), format_procedure_parts(), format_type_extended(), generate_collation_name(), generate_function_name(), generate_operator_name(), generate_qualified_relation_name(), generate_qualified_type_name(), generate_relation_name(), get_opclass_name(), getObjectIdentityParts(), getOpFamilyIdentity(), getRelationIdentity(), pg_event_trigger_ddl_commands(), pg_get_functiondef(), pg_get_statisticsobj_worker(), and postgresExplainForeignScan().

get_negator()

Oid get_negator

(

Oid

opno

)

Definition at line 1514 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        Oid         result;
 
        result = optup->oprnegate;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by analyzeCTE(), convert_saop_to_hashed_saop_walker(), eqsel_internal(), get_op_btree_interpretation(), lookup_proof_cache(), match_clause_to_partition_key(), negate_clause(), neqjoinsel(), operator_same_subexprs_proof(), patternsel(), and scalararraysel().

get_op_btree_interpretation()

List* get_op_btree_interpretation

(

Oid

opno

)

Definition at line 599 of file lsyscache.c.

{
    List       *result = NIL;
    OpBtreeInterpretation *thisresult;
    CatCList   *catlist;
    int         i;
 
    /*
     * Find all the pg_amop entries containing the operator.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   op_tuple = &catlist->members[i]->tuple;
        Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple);
        StrategyNumber op_strategy;
 
        /* must be btree */
        if (op_form->amopmethod != BTREE_AM_OID)
            continue;
 
        /* Get the operator's btree strategy number */
        op_strategy = (StrategyNumber) op_form->amopstrategy;
        Assert(op_strategy >= 1 && op_strategy <= 5);
 
        thisresult = (OpBtreeInterpretation *)
            palloc(sizeof(OpBtreeInterpretation));
        thisresult->opfamily_id = op_form->amopfamily;
        thisresult->strategy = op_strategy;
        thisresult->oplefttype = op_form->amoplefttype;
        thisresult->oprighttype = op_form->amoprighttype;
        result = lappend(result, thisresult);
    }
 
    ReleaseSysCacheList(catlist);
 
    /*
     * If we didn't find any btree opfamily containing the operator, perhaps
     * it is a <> operator.  See if it has a negator that is in an opfamily.
     */
    if (result == NIL)
    {
        Oid         op_negator = get_negator(opno);
 
        if (OidIsValid(op_negator))
        {
            catlist = SearchSysCacheList1(AMOPOPID,
                                          ObjectIdGetDatum(op_negator));
 
            for (i = 0; i < catlist->n_members; i++)
            {
                HeapTuple   op_tuple = &catlist->members[i]->tuple;
                Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple);
                StrategyNumber op_strategy;
 
                /* must be btree */
                if (op_form->amopmethod != BTREE_AM_OID)
                    continue;
 
                /* Get the operator's btree strategy number */
                op_strategy = (StrategyNumber) op_form->amopstrategy;
                Assert(op_strategy >= 1 && op_strategy <= 5);
 
                /* Only consider negators that are = */
                if (op_strategy != BTEqualStrategyNumber)
                    continue;
 
                /* OK, report it with "strategy" ROWCOMPARE_NE */
                thisresult = (OpBtreeInterpretation *)
                    palloc(sizeof(OpBtreeInterpretation));
                thisresult->opfamily_id = op_form->amopfamily;
                thisresult->strategy = ROWCOMPARE_NE;
                thisresult->oplefttype = op_form->amoplefttype;
                thisresult->oprighttype = op_form->amoprighttype;
                result = lappend(result, thisresult);
            }
 
            ReleaseSysCacheList(catlist);
        }
    }
 
    return result;
}

References AMOPOPID, Assert(), BTEqualStrategyNumber, get_negator(), GETSTRUCT, i, lappend(), catclist::members, catclist::n_members, NIL, ObjectIdGetDatum, OidIsValid, OpBtreeInterpretation::opfamily_id, OpBtreeInterpretation::oplefttype, OpBtreeInterpretation::oprighttype, palloc(), ReleaseSysCacheList, ROWCOMPARE_NE, SearchSysCacheList1, OpBtreeInterpretation::strategy, and catctup::tuple.

Referenced by find_window_run_conditions(), lookup_proof_cache(), and make_row_comparison_op().

get_op_hash_functions()

bool get_op_hash_functions	(	Oid	opno,
		RegProcedure *	lhs_procno,
		RegProcedure *	rhs_procno
	)

Definition at line 508 of file lsyscache.c.

{
    bool        result = false;
    CatCList   *catlist;
    int         i;
 
    /* Ensure output args are initialized on failure */
    if (lhs_procno)
        *lhs_procno = InvalidOid;
    if (rhs_procno)
        *rhs_procno = InvalidOid;
 
    /*
     * Search pg_amop to see if the target operator is registered as the "="
     * operator of any hash opfamily.  If the operator is registered in
     * multiple opfamilies, assume we can use any one.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   tuple = &catlist->members[i]->tuple;
        Form_pg_amop aform = (Form_pg_amop) GETSTRUCT(tuple);
 
        if (aform->amopmethod == HASH_AM_OID &&
            aform->amopstrategy == HTEqualStrategyNumber)
        {
            /*
             * Get the matching support function(s).  Failure probably
             * shouldn't happen --- it implies a bogus opfamily --- but
             * continue looking if so.
             */
            if (lhs_procno)
            {
                *lhs_procno = get_opfamily_proc(aform->amopfamily,
                                                aform->amoplefttype,
                                                aform->amoplefttype,
                                                HASHSTANDARD_PROC);
                if (!OidIsValid(*lhs_procno))
                    continue;
                /* Matching LHS found, done if caller doesn't want RHS */
                if (!rhs_procno)
                {
                    result = true;
                    break;
                }
                /* Only one lookup needed if given operator is single-type */
                if (aform->amoplefttype == aform->amoprighttype)
                {
                    *rhs_procno = *lhs_procno;
                    result = true;
                    break;
                }
            }
            if (rhs_procno)
            {
                *rhs_procno = get_opfamily_proc(aform->amopfamily,
                                                aform->amoprighttype,
                                                aform->amoprighttype,
                                                HASHSTANDARD_PROC);
                if (!OidIsValid(*rhs_procno))
                {
                    /* Forget any LHS function from this opfamily */
                    if (lhs_procno)
                        *lhs_procno = InvalidOid;
                    continue;
                }
                /* Matching RHS found, so done */
                result = true;
                break;
            }
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, get_opfamily_proc(), GETSTRUCT, HASHSTANDARD_PROC, HTEqualStrategyNumber, i, InvalidOid, catclist::members, catclist::n_members, ObjectIdGetDatum, OidIsValid, ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by convert_saop_to_hashed_saop_walker(), ExecHashTableCreate(), ExecInitMemoize(), ExecInitSubPlan(), and execTuplesHashPrepare().

get_op_opfamily_properties()

void get_op_opfamily_properties	(	Oid	opno,
		Oid	opfamily,
		bool	ordering_op,
		int *	strategy,
		Oid *	lefttype,
		Oid *	righttype
	)

Definition at line 134 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_amop amop_tup;
 
    tp = SearchSysCache3(AMOPOPID,
                         ObjectIdGetDatum(opno),
                         CharGetDatum(ordering_op ? AMOP_ORDER : AMOP_SEARCH),
                         ObjectIdGetDatum(opfamily));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "operator %u is not a member of opfamily %u",
             opno, opfamily);
    amop_tup = (Form_pg_amop) GETSTRUCT(tp);
    *strategy = amop_tup->amopstrategy;
    *lefttype = amop_tup->amoplefttype;
    *righttype = amop_tup->amoprighttype;
    ReleaseSysCache(tp);
}

References AMOPOPID, CharGetDatum, elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache3().

Referenced by ExecIndexBuildScanKeys(), ExecInitExprRec(), expand_indexqual_rowcompare(), gen_prune_steps_from_opexps(), gincost_pattern(), match_clause_to_partition_key(), mergejoinscansel(), and MJExamineQuals().

get_op_opfamily_sortfamily()

Oid get_op_opfamily_sortfamily	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 106 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_amop amop_tup;
    Oid         result;
 
    tp = SearchSysCache3(AMOPOPID,
                         ObjectIdGetDatum(opno),
                         CharGetDatum(AMOP_ORDER),
                         ObjectIdGetDatum(opfamily));
    if (!HeapTupleIsValid(tp))
        return InvalidOid;
    amop_tup = (Form_pg_amop) GETSTRUCT(tp);
    result = amop_tup->amopsortfamily;
    ReleaseSysCache(tp);
    return result;
}

References AMOPOPID, CharGetDatum, GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache3().

Referenced by match_clause_to_ordering_op().

get_op_opfamily_strategy()

int get_op_opfamily_strategy	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 81 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_amop amop_tup;
    int         result;
 
    tp = SearchSysCache3(AMOPOPID,
                         ObjectIdGetDatum(opno),
                         CharGetDatum(AMOP_SEARCH),
                         ObjectIdGetDatum(opfamily));
    if (!HeapTupleIsValid(tp))
        return 0;
    amop_tup = (Form_pg_amop) GETSTRUCT(tp);
    result = amop_tup->amopstrategy;
    ReleaseSysCache(tp);
    return result;
}

References AMOPOPID, CharGetDatum, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache3().

Referenced by btcostestimate(), ComputeIndexAttrs(), expand_indexqual_rowcompare(), get_actual_variable_range(), match_rowcompare_to_indexcol(), and RelationGetExclusionInfo().

get_op_rettype()

Oid get_op_rettype

(

Oid

opno

)

Definition at line 1314 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        Oid         result;
 
        result = optup->oprresult;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by gistvalidate(), spgproperty(), and spgvalidate().

get_opclass_family()

Oid get_opclass_family

(

Oid

opclass

)

Definition at line 1193 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_opclass cla_tup;
    Oid         result;
 
    tp = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclass));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for opclass %u", opclass);
    cla_tup = (Form_pg_opclass) GETSTRUCT(tp);
 
    result = cla_tup->opcfamily;
    ReleaseSysCache(tp);
    return result;
}

References CLAOID, elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by build_replindex_scan_key(), ComputeIndexAttrs(), DefineIndex(), infer_collation_opclass_match(), load_rangetype_info(), and lookup_type_cache().

get_opclass_input_type()

Oid get_opclass_input_type

(

Oid

opclass

)

Definition at line 1215 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_opclass cla_tup;
    Oid         result;
 
    tp = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclass));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for opclass %u", opclass);
    cla_tup = (Form_pg_opclass) GETSTRUCT(tp);
 
    result = cla_tup->opcintype;
    ReleaseSysCache(tp);
    return result;
}

References CLAOID, elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by btadjustmembers(), build_replindex_scan_key(), CheckIndexCompatible(), findRangeSubOpclass(), get_rule_expr(), hashadjustmembers(), infer_collation_opclass_match(), load_rangetype_info(), and lookup_type_cache().

get_opclass_opfamily_and_input_type()

bool get_opclass_opfamily_and_input_type	(	Oid	opclass,
		Oid *	opfamily,
		Oid *	opcintype
	)

Definition at line 1238 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_opclass cla_tup;
 
    tp = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclass));
    if (!HeapTupleIsValid(tp))
        return false;
 
    cla_tup = (Form_pg_opclass) GETSTRUCT(tp);
 
    *opfamily = cla_tup->opcfamily;
    *opcintype = cla_tup->opcintype;
 
    ReleaseSysCache(tp);
 
    return true;
}

References CLAOID, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache1().

Referenced by DefineIndex(), gistproperty(), and spgproperty().

get_opcode()

RegProcedure get_opcode

(

Oid

opno

)

Definition at line 1266 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        RegProcedure result;
 
        result = optup->oprcode;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return (RegProcedure) InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by _bt_compare_scankey_args(), _bt_find_extreme_element(), AlterOpFamilyAdd(), build_pertrans_for_aggref(), build_replindex_scan_key(), BuildSpeculativeIndexInfo(), check_functions_in_node(), compute_cpu_sort_cost(), ComputeIndexAttrs(), contain_leaked_vars_walker(), convert_saop_to_hashed_saop_walker(), cost_qual_eval_walker(), DefineOpClass(), eqjoinsel(), ExecInitMemoize(), ExecInitSubPlan(), execTuplesHashPrepare(), execTuplesMatchPrepare(), generic_restriction_selectivity(), get_expr_result_type(), get_variable_range(), inclusion_get_strategy_procinfo(), inet_mcv_join_sel(), lookup_type_cache(), make_partition_op_expr(), match_pattern_prefix(), mcv_get_match_bitmap(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), mode_final(), networkjoinsel_semi(), networksel(), op_strict(), op_volatile(), OperatorLookup(), patternsel_common(), prefix_selectivity(), preparePresortedCols(), RelationGetExclusionInfo(), ri_HashCompareOp(), scalarineqsel(), select_equality_operator(), set_opfuncid(), set_sa_opfuncid(), statext_is_compatible_clause_internal(), std_typanalyze(), and var_eq_const().

get_opfamily_member()

Oid get_opfamily_member	(	Oid	opfamily,
		Oid	lefttype,
		Oid	righttype,
		int16	strategy
	)

Definition at line 164 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_amop amop_tup;
    Oid         result;
 
    tp = SearchSysCache4(AMOPSTRATEGY,
                         ObjectIdGetDatum(opfamily),
                         ObjectIdGetDatum(lefttype),
                         ObjectIdGetDatum(righttype),
                         Int16GetDatum(strategy));
    if (!HeapTupleIsValid(tp))
        return InvalidOid;
    amop_tup = (Form_pg_amop) GETSTRUCT(tp);
    result = amop_tup->amopopr;
    ReleaseSysCache(tp);
    return result;
}

References AMOPSTRATEGY, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache4().

Referenced by _bt_compare_scankey_args(), _bt_find_extreme_element(), appendOrderByClause(), ATAddForeignKeyConstraint(), btcostestimate(), build_replindex_scan_key(), BuildSpeculativeIndexInfo(), compute_cpu_sort_cost(), create_indexscan_plan(), DefineIndex(), expand_indexqual_rowcompare(), find_window_run_conditions(), get_compatible_hash_operators(), get_equality_op_for_ordering_op(), get_ordering_op_for_equality_op(), get_partition_operator(), get_relation_info(), lookup_proof_cache(), lookup_type_cache(), make_pathkey_from_sortinfo(), make_unique_from_pathkeys(), match_network_subset(), mergejoinscansel(), prepare_sort_from_pathkeys(), refresh_by_match_merge(), and select_equality_operator().

get_opfamily_proc()

Oid get_opfamily_proc	(	Oid	opfamily,
		Oid	lefttype,
		Oid	righttype,
		int16	procnum
	)

Definition at line 794 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_amproc amproc_tup;
    RegProcedure result;
 
    tp = SearchSysCache4(AMPROCNUM,
                         ObjectIdGetDatum(opfamily),
                         ObjectIdGetDatum(lefttype),
                         ObjectIdGetDatum(righttype),
                         Int16GetDatum(procnum));
    if (!HeapTupleIsValid(tp))
        return InvalidOid;
    amproc_tup = (Form_pg_amproc) GETSTRUCT(tp);
    result = amproc_tup->amproc;
    ReleaseSysCache(tp);
    return result;
}

References AMPROCNUM, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache4().

Referenced by _bt_allequalimage(), _bt_first(), _bt_sort_array_elements(), _hash_datum2hashkey_type(), ExecIndexBuildScanKeys(), ExecInitExprRec(), FinishSortSupportFunction(), get_op_hash_functions(), gincost_pattern(), gistvalidate(), load_rangetype_info(), lookup_type_cache(), match_clause_to_partition_key(), MJExamineQuals(), PrepareSortSupportFromGistIndexRel(), and RelationBuildPartitionKey().

get_opname()

char* get_opname

(

Oid

opno

)

Definition at line 1291 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(optup->oprname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, OPEROID, pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by AlterOpFamilyAdd(), DefineOpClass(), print_expr(), and show_sortorder_options().

get_oprjoin()

RegProcedure get_oprjoin

(

Oid

opno

)

Definition at line 1562 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        RegProcedure result;
 
        result = optup->oprjoin;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return (RegProcedure) InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by join_selectivity(), and scalararraysel().

get_oprrest()

RegProcedure get_oprrest

(

Oid

opno

)

Definition at line 1538 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
        RegProcedure result;
 
        result = optup->oprrest;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return (RegProcedure) InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by clauselist_selectivity_ext(), dependency_is_compatible_clause(), dependency_is_compatible_expression(), restriction_selectivity(), scalararraysel(), and statext_is_compatible_clause_internal().

get_ordering_op_for_equality_op()

Oid get_ordering_op_for_equality_op	(	Oid	opno,
		bool	use_lhs_type
	)

Definition at line 303 of file lsyscache.c.

{
    Oid         result = InvalidOid;
    CatCList   *catlist;
    int         i;
 
    /*
     * Search pg_amop to see if the target operator is registered as the "="
     * operator of any btree opfamily.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   tuple = &catlist->members[i]->tuple;
        Form_pg_amop aform = (Form_pg_amop) GETSTRUCT(tuple);
 
        /* must be btree */
        if (aform->amopmethod != BTREE_AM_OID)
            continue;
 
        if (aform->amopstrategy == BTEqualStrategyNumber)
        {
            /* Found a suitable opfamily, get matching ordering operator */
            Oid         typid;
 
            typid = use_lhs_type ? aform->amoplefttype : aform->amoprighttype;
            result = get_opfamily_member(aform->amopfamily,
                                         typid, typid,
                                         BTLessStrategyNumber);
            if (OidIsValid(result))
                break;
            /* failure probably shouldn't happen, but keep looking if so */
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, BTEqualStrategyNumber, BTLessStrategyNumber, get_opfamily_member(), GETSTRUCT, i, InvalidOid, catclist::members, catclist::n_members, ObjectIdGetDatum, OidIsValid, ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by create_unique_plan().

get_ordering_op_properties()

bool get_ordering_op_properties	(	Oid	opno,
		Oid *	opfamily,
		Oid *	opcintype,
		int16 *	strategy
	)

Definition at line 205 of file lsyscache.c.

{
    bool        result = false;
    CatCList   *catlist;
    int         i;
 
    /* ensure outputs are initialized on failure */
    *opfamily = InvalidOid;
    *opcintype = InvalidOid;
    *strategy = 0;
 
    /*
     * Search pg_amop to see if the target operator is registered as the "<"
     * or ">" operator of any btree opfamily.
     */
    catlist = SearchSysCacheList1(AMOPOPID, ObjectIdGetDatum(opno));
 
    for (i = 0; i < catlist->n_members; i++)
    {
        HeapTuple   tuple = &catlist->members[i]->tuple;
        Form_pg_amop aform = (Form_pg_amop) GETSTRUCT(tuple);
 
        /* must be btree */
        if (aform->amopmethod != BTREE_AM_OID)
            continue;
 
        if (aform->amopstrategy == BTLessStrategyNumber ||
            aform->amopstrategy == BTGreaterStrategyNumber)
        {
            /* Found it ... should have consistent input types */
            if (aform->amoplefttype == aform->amoprighttype)
            {
                /* Found a suitable opfamily, return info */
                *opfamily = aform->amopfamily;
                *opcintype = aform->amoplefttype;
                *strategy = aform->amopstrategy;
                result = true;
                break;
            }
        }
    }
 
    ReleaseSysCacheList(catlist);
 
    return result;
}

References AMOPOPID, BTGreaterStrategyNumber, BTLessStrategyNumber, GETSTRUCT, i, InvalidOid, catclist::members, catclist::n_members, ObjectIdGetDatum, ReleaseSysCacheList, SearchSysCacheList1, and catctup::tuple.

Referenced by build_expression_pathkey(), get_equality_op_for_ordering_op(), get_relation_info(), make_pathkey_from_sortop(), PrepareSortSupportFromOrderingOp(), and transformWindowDefinitions().

get_promoted_array_type()

Oid get_promoted_array_type

(

Oid

typid

)

Definition at line 2768 of file lsyscache.c.

{
    Oid         array_type = get_array_type(typid);
 
    if (OidIsValid(array_type))
        return array_type;
    if (OidIsValid(get_element_type(typid)))
        return typid;
    return InvalidOid;
}

References get_array_type(), get_element_type(), InvalidOid, and OidIsValid.

Referenced by build_subplan(), and exprType().

get_range_collation()

Oid get_range_collation

(

Oid

rangeOid

)

Definition at line 3393 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RANGETYPE, ObjectIdGetDatum(rangeOid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_range rngtup = (Form_pg_range) GETSTRUCT(tp);
        Oid         result;
 
        result = rngtup->rngcollation;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, RANGETYPE, ReleaseSysCache(), and SearchSysCache1().

Referenced by CheckAttributeType().

get_range_multirange()

Oid get_range_multirange

(

Oid

rangeOid

)

Definition at line 3418 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RANGETYPE, ObjectIdGetDatum(rangeOid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_range rngtup = (Form_pg_range) GETSTRUCT(tp);
        Oid         result;
 
        result = rngtup->rngmultitypid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, RANGETYPE, ReleaseSysCache(), and SearchSysCache1().

Referenced by enforce_generic_type_consistency(), and resolve_anymultirange_from_others().

get_range_subtype()

Oid get_range_subtype

(

Oid

rangeOid

)

Definition at line 3367 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RANGETYPE, ObjectIdGetDatum(rangeOid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_range rngtup = (Form_pg_range) GETSTRUCT(tp);
        Oid         result;
 
        result = rngtup->rngsubtype;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, RANGETYPE, ReleaseSysCache(), and SearchSysCache1().

Referenced by check_generic_type_consistency(), CheckAttributeType(), enforce_generic_type_consistency(), and resolve_anyelement_from_others().

get_rel_name()

char* get_rel_name

(

Oid

relid

)

Definition at line 1909 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        char       *result;
 
        result = pstrdup(NameStr(reltup->relname));
        ReleaseSysCache(tp);
        return result;
    }
    else
        return NULL;
}

References GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by adjust_appendrel_attrs_mutator(), adjust_inherited_attnums(), AlterPublicationOptions(), AlterSubscription_refresh(), AlterTableNamespace(), ApplyWorkerMain(), ATExecAlterConstraint(), ATExecChangeOwner(), check_enable_rls(), check_new_partition_bound(), convert_column_name(), CreateTriggerFiringOn(), DefineRelation(), do_autovacuum(), EnableDisableRule(), exec_object_restorecon(), ExecCheckRTPerms(), execCurrentOf(), expand_col_privileges(), explain_get_index_name(), ExplainTargetRel(), get_relation_constraint_attnos(), get_relation_constraint_oid(), get_relation_name(), get_relation_policy_oid(), get_rewrite_oid(), get_trigger_oid(), gincost_pattern(), has_sequence_privilege_id(), has_sequence_privilege_id_id(), has_sequence_privilege_name_id(), heap_truncate_check_FKs(), InsertRule(), LockTableRecurse(), LockViewRecurse_walker(), makeWholeRowVar(), map_sql_schema_to_xmlschema_types(), MarkInheritDetached(), perform_work_item(), pg_attribute_noreturn(), pg_decode_change(), pg_extension_config_dump(), pg_get_expr(), pg_get_expr_ext(), pg_prewarm(), pg_sequence_parameters(), postgresExplainForeignScan(), process_owned_by(), reindex_index(), reindex_relation(), ReindexMultipleInternal(), ReindexPartitions(), ReindexRelationConcurrently(), RememberClusterOnForRebuilding(), RememberReplicaIdentityForRebuilding(), RemoveSubscriptionRel(), RenameConstraintById(), renametrig(), satisfies_hash_partition(), set_rtable_names(), show_modifytable_info(), table_to_xml_internal(), TargetPrivilegesCheck(), and transformAlterTableStmt().

get_rel_namespace()

Oid get_rel_namespace

(

Oid

relid

)

Definition at line 1933 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        Oid         result;
 
        result = reltup->relnamespace;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by AlterSubscription_refresh(), do_autovacuum(), exec_object_restorecon(), ExecCheckXactReadOnly(), ExplainTargetRel(), get_rel_sync_entry(), GetTopMostAncestorInPublication(), perform_work_item(), pg_decode_change(), postgresExplainForeignScan(), reindex_relation(), ReindexMultipleInternal(), ReindexPartitions(), ReindexRelationConcurrently(), RelationBuildPublicationDesc(), sepgsql_relation_drop(), and transformAlterTableStmt().

get_rel_persistence()

char get_rel_persistence

(

Oid

relid

)

Definition at line 2059 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_class reltup;
    char        result;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for relation %u", relid);
    reltup = (Form_pg_class) GETSTRUCT(tp);
    result = reltup->relpersistence;
    ReleaseSysCache(tp);
 
    return result;
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by DefineIndex(), index_drop(), RangeVarCallbackForLockTable(), ReindexIndex(), ReindexMultipleInternal(), ReindexTable(), and set_rel_consider_parallel().

get_rel_relispartition()

bool get_rel_relispartition

(

Oid

relid

)

Definition at line 2008 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        bool        result;
 
        result = reltup->relispartition;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return false;
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by check_rel_can_be_partition(), filter_partitions(), get_partition_qual_relid(), get_rel_sync_entry(), and index_concurrently_swap().

get_rel_relkind()

char get_rel_relkind

(

Oid

relid

)

Definition at line 1984 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        char        result;
 
        result = reltup->relkind;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return '\0';
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by AlterPublicationOptions(), AlterSubscription_refresh(), AlterTableMoveAll(), AlterTypeNamespaceInternal(), AlterTypeOwner(), ATExecAlterColumnType(), ATExecAlterConstrRecurse(), ATExecChangeOwner(), check_rel_can_be_partition(), check_relation_privileges(), CreateSubscription(), CreateTriggerFiringOn(), doDeletion(), EnableDisableRule(), exec_object_restorecon(), ExecCheckRTPerms(), get_object_type(), get_rel_sync_entry(), get_tables_to_cluster_partitioned(), getOwnedSequences_internal(), GetPubPartitionOptionRelations(), GetSchemaPublicationRelations(), has_sequence_privilege_id(), has_sequence_privilege_id_id(), has_sequence_privilege_id_name(), has_sequence_privilege_name(), has_sequence_privilege_name_id(), has_sequence_privilege_name_name(), LockTableCommand(), pg_get_serial_sequence(), pg_get_triggerdef_worker(), pg_partition_tree(), ProcessUtilitySlow(), RangeVarCallbackForAlterRelation(), RangeVarCallbackForLockTable(), RangeVarCallbackForPolicy(), RangeVarCallbackForReindexIndex(), RangeVarCallbackForRenameRule(), RangeVarCallbackForRenameTrigger(), RangeVarCallbackOwnsRelation(), RangeVarCallbackOwnsTable(), RangeVarGetAndCheckCreationNamespace(), ReindexIndex(), ReindexMultipleInternal(), ReindexPartitions(), ReindexRelationConcurrently(), ReindexTable(), RelationBuildPartitionDesc(), renameatt_check(), RenameRelation(), RenameType(), sepgsql_attribute_drop(), sepgsql_attribute_post_create(), sepgsql_attribute_relabel(), sepgsql_attribute_setattr(), sepgsql_relation_drop(), sepgsql_relation_relabel(), sepgsql_relation_setattr(), and sepgsql_relation_truncate().

get_rel_tablespace()

Oid get_rel_tablespace

(

Oid

relid

)

Definition at line 2035 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        Oid         result;
 
        result = reltup->reltablespace;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by DefineRelation(), pg_get_constraintdef_worker(), and pg_get_indexdef_worker().

get_rel_type_id()

Oid get_rel_type_id

(

Oid

relid

)

Definition at line 1960 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
        Oid         result;
 
        result = reltup->reltype;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), RELOID, and SearchSysCache1().

Referenced by get_tupdesc_for_join_scan_tuples(), makeWholeRowVar(), plpgsql_parse_cwordrowtype(), plpgsql_parse_wordrowtype(), and serialize_expr_stats().

get_relname_relid()

Oid get_relname_relid	(	const char *	relname,
		Oid	relnamespace
	)

Definition at line 1866 of file lsyscache.c.

{
    return GetSysCacheOid2(RELNAMENSP, Anum_pg_class_oid,
                           PointerGetDatum(relname),
                           ObjectIdGetDatum(relnamespace));
}

References GetSysCacheOid2, ObjectIdGetDatum, PointerGetDatum, relname, and RELNAMENSP.

Referenced by AlterRelationNamespaceInternal(), ATExecClusterOn(), ATExecReplicaIdentity(), ChooseRelationName(), cluster(), CreateTableAsRelExists(), heap_create_with_catalog(), index_create(), RangeVarGetAndCheckCreationNamespace(), RangeVarGetRelidExtended(), refnameNamespaceItem(), RelationIsVisible(), RelnameGetRelid(), RenameRelationInternal(), and transformIndexConstraint().

get_transform_fromsql()

Oid get_transform_fromsql	(	Oid	typid,
		Oid	langid,
		List *	trftypes
	)

Definition at line 2079 of file lsyscache.c.

{
    HeapTuple   tup;
 
    if (!list_member_oid(trftypes, typid))
        return InvalidOid;
 
    tup = SearchSysCache2(TRFTYPELANG, typid, langid);
    if (HeapTupleIsValid(tup))
    {
        Oid         funcid;
 
        funcid = ((Form_pg_transform) GETSTRUCT(tup))->trffromsql;
        ReleaseSysCache(tup);
        return funcid;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, list_member_oid(), ReleaseSysCache(), SearchSysCache2(), and TRFTYPELANG.

Referenced by plperl_call_perl_func(), plperl_hash_from_tuple(), plperl_ref_from_pg_array(), and PLy_input_setup_func().

get_transform_tosql()

Oid get_transform_tosql	(	Oid	typid,
		Oid	langid,
		List *	trftypes
	)

Definition at line 2100 of file lsyscache.c.

{
    HeapTuple   tup;
 
    if (!list_member_oid(trftypes, typid))
        return InvalidOid;
 
    tup = SearchSysCache2(TRFTYPELANG, typid, langid);
    if (HeapTupleIsValid(tup))
    {
        Oid         funcid;
 
        funcid = ((Form_pg_transform) GETSTRUCT(tup))->trftosql;
        ReleaseSysCache(tup);
        return funcid;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, list_member_oid(), ReleaseSysCache(), SearchSysCache2(), and TRFTYPELANG.

Referenced by plperl_sv_to_datum(), and PLy_output_setup_func().

get_typ_typrelid()

Oid get_typ_typrelid

(

Oid

typid

)

Definition at line 2688 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        Oid         result;
 
        result = typtup->typrelid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by ATPostAlterTypeCleanup(), CheckAttributeType(), find_expr_references_walker(), and processIndirection().

get_typavgwidth()

int32 get_typavgwidth	(	Oid	typid,
		int32	typmod
	)

Definition at line 2535 of file lsyscache.c.

{
    int         typlen = get_typlen(typid);
    int32       maxwidth;
 
    /*
     * Easy if it's a fixed-width type
     */
    if (typlen > 0)
        return typlen;
 
    /*
     * type_maximum_size knows the encoding of typmod for some datatypes;
     * don't duplicate that knowledge here.
     */
    maxwidth = type_maximum_size(typid, typmod);
    if (maxwidth > 0)
    {
        /*
         * For BPCHAR, the max width is also the only width.  Otherwise we
         * need to guess about the typical data width given the max. A sliding
         * scale for percentage of max width seems reasonable.
         */
        if (typid == BPCHAROID)
            return maxwidth;
        if (maxwidth <= 32)
            return maxwidth;    /* assume full width */
        if (maxwidth < 1000)
            return 32 + (maxwidth - 32) / 2;    /* assume 50% */
 
        /*
         * Beyond 1000, assume we're looking at something like
         * "varchar(10000)" where the limit isn't actually reached often, and
         * use a fixed estimate.
         */
        return 32 + (1000 - 32) / 2;
    }
 
    /*
     * Oops, we have no idea ... wild guess time.
     */
    return 32;
}

References get_typlen(), and type_maximum_size().

Referenced by add_row_identity_var(), create_one_window_path(), find_placeholder_info(), get_agg_clause_costs(), get_rel_data_width(), get_width_cost_multiplier(), set_append_rel_size(), set_pathtarget_cost_width(), and set_rel_width().

get_typbyval()

bool get_typbyval

(

Oid

typid

)

Definition at line 2179 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        bool        result;
 
        result = typtup->typbyval;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return false;
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by brin_range_deserialize(), and brin_range_serialize().

get_typcollation()

Oid get_typcollation

(

Oid

typid

)

Definition at line 3013 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        Oid         result;
 
        result = typtup->typcollation;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by assign_collations_walker(), ATExecAddColumn(), DefineRange(), domainAddConstraint(), fixed_paramref_hook(), get_cast_hashentry(), get_collation(), get_const_collation(), get_from_clause_coldeflist(), GetColumnDefCollation(), paramlist_param_ref(), resolve_polymorphic_tupdesc(), show_sortorder_options(), sql_fn_make_param(), transformAssignmentSubscripts(), transformRangeTableFunc(), type_is_collatable(), variable_coerce_param_hook(), and variable_paramref_hook().

get_typdefault()

Node* get_typdefault

(

Oid

typid

)

Definition at line 2405 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type type;
    Datum       datum;
    bool        isNull;
    Node       *expr;
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", typid);
    type = (Form_pg_type) GETSTRUCT(typeTuple);
 
    /*
     * typdefault and typdefaultbin are potentially null, so don't try to
     * access 'em as struct fields. Must do it the hard way with
     * SysCacheGetAttr.
     */
    datum = SysCacheGetAttr(TYPEOID,
                            typeTuple,
                            Anum_pg_type_typdefaultbin,
                            &isNull);
 
    if (!isNull)
    {
        /* We have an expression default */
        expr = stringToNode(TextDatumGetCString(datum));
    }
    else
    {
        /* Perhaps we have a plain literal default */
        datum = SysCacheGetAttr(TYPEOID,
                                typeTuple,
                                Anum_pg_type_typdefault,
                                &isNull);
 
        if (!isNull)
        {
            char       *strDefaultVal;
 
            /* Convert text datum to C string */
            strDefaultVal = TextDatumGetCString(datum);
            /* Convert C string to a value of the given type */
            datum = OidInputFunctionCall(type->typinput, strDefaultVal,
                                         getTypeIOParam(typeTuple), -1);
            /* Build a Const node containing the value */
            expr = (Node *) makeConst(typid,
                                      -1,
                                      type->typcollation,
                                      type->typlen,
                                      datum,
                                      false,
                                      type->typbyval);
            pfree(strDefaultVal);
        }
        else
        {
            /* No default */
            expr = NULL;
        }
    }
 
    ReleaseSysCache(typeTuple);
 
    return expr;
}

References elog, ERROR, GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, makeConst(), ObjectIdGetDatum, OidInputFunctionCall(), pfree(), ReleaseSysCache(), SearchSysCache1(), stringToNode(), SysCacheGetAttr(), TextDatumGetCString, generate_unaccent_rules::type, and TYPEOID.

Referenced by build_column_default().

get_type_category_preferred()

void get_type_category_preferred	(	Oid	typid,
		char *	typcategory,
		bool *	typispreferred
	)

Definition at line 2667 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_type typtup;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for type %u", typid);
    typtup = (Form_pg_type) GETSTRUCT(tp);
    *typcategory = typtup->typcategory;
    *typispreferred = typtup->typispreferred;
    ReleaseSysCache(tp);
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by checkJsonOutputFormat(), func_select_candidate(), get_json_table_columns(), IsPreferredType(), select_common_type(), select_common_type_from_oids(), transformJsonParseArg(), transformJsonValueExprExt(), TypeCategory(), and XmlTableGetValue().

get_type_io_data()

void get_type_io_data	(	Oid	typid,
		IOFuncSelector	which_func,
		int16 *	typlen,
		bool *	typbyval,
		char *	typalign,
		char *	typdelim,
		Oid *	typioparam,
		Oid *	func
	)

Definition at line 2282 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type typeStruct;
 
    /*
     * In bootstrap mode, pass it off to bootstrap.c.  This hack allows us to
     * use array_in and array_out during bootstrap.
     */
    if (IsBootstrapProcessingMode())
    {
        Oid         typinput;
        Oid         typoutput;
 
        boot_get_type_io_data(typid,
                              typlen,
                              typbyval,
                              typalign,
                              typdelim,
                              typioparam,
                              &typinput,
                              &typoutput);
        switch (which_func)
        {
            case IOFunc_input:
                *func = typinput;
                break;
            case IOFunc_output:
                *func = typoutput;
                break;
            default:
                elog(ERROR, "binary I/O not supported during bootstrap");
                break;
        }
        return;
    }
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", typid);
    typeStruct = (Form_pg_type) GETSTRUCT(typeTuple);
 
    *typlen = typeStruct->typlen;
    *typbyval = typeStruct->typbyval;
    *typalign = typeStruct->typalign;
    *typdelim = typeStruct->typdelim;
    *typioparam = getTypeIOParam(typeTuple);
    switch (which_func)
    {
        case IOFunc_input:
            *func = typeStruct->typinput;
            break;
        case IOFunc_output:
            *func = typeStruct->typoutput;
            break;
        case IOFunc_receive:
            *func = typeStruct->typreceive;
            break;
        case IOFunc_send:
            *func = typeStruct->typsend;
            break;
    }
    ReleaseSysCache(typeTuple);
}

References boot_get_type_io_data(), elog, ERROR, GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, IOFunc_input, IOFunc_output, IOFunc_receive, IOFunc_send, IsBootstrapProcessingMode, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), typalign, and TYPEOID.

Referenced by array_in(), array_out(), array_recv(), array_send(), array_to_text_internal(), get_multirange_io_data(), get_range_io_data(), and plperl_ref_from_pg_array().

get_typisdefined()

bool get_typisdefined

(

Oid

typid

)

Definition at line 2130 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        bool        result;
 
        result = typtup->typisdefined;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return false;
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by DefineRange(), DefineType(), moveArrayTypeName(), and RenameTypeInternal().

get_typlen()

int16 get_typlen

(

Oid

typid

)

Definition at line 2154 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        int16       result;
 
        result = typtup->typlen;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return 0;
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by array_exec_setup(), brin_range_deserialize(), brin_range_serialize(), build_sorted_items(), DefineType(), ExecBuildProjectionInfo(), ExecInitCoerceToDomain(), ExecInitExprRec(), get_typavgwidth(), pg_column_compression(), and pg_column_size().

get_typlenbyval()

void get_typlenbyval	(	Oid	typid,
		int16 *	typlen,
		bool *	typbyval
	)

Definition at line 2208 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_type typtup;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for type %u", typid);
    typtup = (Form_pg_type) GETSTRUCT(tp);
    *typlen = typtup->typlen;
    *typbyval = typtup->typbyval;
    ReleaseSysCache(tp);
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by build_pertrans_for_aggref(), copyParamList(), EstimateParamExecSpace(), EstimateParamListSpace(), eval_const_expressions_mutator(), evaluate_expr(), exec_eval_using_params(), exec_stmt_block(), ExecInitAgg(), ExecInitIndexScan(), ExecInitWindowAgg(), ExecWindowAgg(), get_actual_variable_range(), get_variable_range(), init_sql_fcache(), initialize_peragg(), makeNullConst(), preprocess_aggref(), scalararraysel(), SerializeParamExecParams(), SerializeParamList(), and tuplesort_begin_datum().

get_typlenbyvalalign()

void get_typlenbyvalalign	(	Oid	typid,
		int16 *	typlen,
		bool *	typbyval,
		char *	typalign
	)

Definition at line 2228 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_type typtup;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for type %u", typid);
    typtup = (Form_pg_type) GETSTRUCT(tp);
    *typlen = typtup->typlen;
    *typbyval = typtup->typbyval;
    *typalign = typtup->typalign;
    ReleaseSysCache(tp);
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), typalign, and TYPEOID.

Referenced by _bt_preprocess_array_keys(), array_create_iterator(), array_exec_setup(), array_fill_internal(), array_map(), array_position_common(), array_positions(), array_to_json_internal(), array_to_jsonb_internal(), array_unnest(), arrayconst_startup_fn(), CreateCast(), DefineRange(), ExecEvalHashedScalarArrayOp(), ExecEvalScalarArrayOp(), ExecIndexEvalArrayKeys(), ExecInitExprRec(), expand_array(), extract_variadic_args(), get_columns_length(), get_text_array_contents(), ginarrayextract(), gincost_scalararrayopexpr(), ginqueryarrayextract(), initArrayResult(), map_sql_value_to_xml_value(), match_clause_to_partition_key(), mcv_get_match_bitmap(), ordered_set_startup(), RelationBuildPartitionKey(), satisfies_hash_partition(), scalararraysel(), text_format(), and trim_array().

get_typmodin()

Oid get_typmodin

(

Oid

typid

)

Definition at line 2963 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        Oid         result;
 
        result = typtup->typmodin;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

get_typstorage()

char get_typstorage

(

Oid

typid

)

Definition at line 2376 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        char        result;
 
        result = typtup->typstorage;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return TYPSTORAGE_PLAIN;
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

get_typsubscript()

RegProcedure get_typsubscript	(	Oid	typid,
		Oid *	typelemp
	)

Definition at line 3054 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typform = (Form_pg_type) GETSTRUCT(tp);
        RegProcedure handler = typform->typsubscript;
 
        if (typelemp)
            *typelemp = typform->typelem;
        ReleaseSysCache(tp);
        return handler;
    }
    else
    {
        if (typelemp)
            *typelemp = InvalidOid;
        return InvalidOid;
    }
}

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by exec_check_rw_parameter(), and getSubscriptingRoutines().

get_typtype()

char get_typtype

(

Oid

typid

)

Definition at line 2586 of file lsyscache.c.

{
    HeapTuple   tp;
 
    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        char        result;
 
        result = typtup->typtype;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return '\0';
}

References GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by AlterTypeNamespace(), check_sql_fn_retval(), CheckAttributeType(), coerceJsonExpr(), CreateCast(), CreateTransform(), DefineAggregate(), DefineRange(), DefineType(), fmgr_sql_validator(), get_rels_with_domain(), get_type_func_class(), map_sql_type_to_xmlschema_type(), plperl_validator(), plpgsql_validator(), prepare_column_cache(), type_is_enum(), type_is_multirange(), type_is_range(), type_is_rowtype(), and typeIsComposite().

getBaseType()

Oid getBaseType

(

Oid

typid

)

Definition at line 2478 of file lsyscache.c.

{
    int32       typmod = -1;
 
    return getBaseTypeAndTypmod(typid, &typmod);
}

References getBaseTypeAndTypmod().

Referenced by ATAddForeignKeyConstraint(), ATPostAlterTypeCleanup(), binary_oper_exact(), check_generic_type_consistency(), CheckAttributeType(), coerce_type(), enforce_generic_type_consistency(), find_coercion_pathway(), find_expr_references_walker(), func_select_candidate(), get_type_func_class(), GetDefaultOpClass(), GetIndexInputType(), IsBinaryCoercible(), json_categorize_type(), jsonb_categorize_type(), logicalrep_write_typ(), map_sql_typecoll_to_xmlschema_types(), map_sql_value_to_xml_value(), multirange_typanalyze(), PLy_output_setup_func(), range_typanalyze(), resolve_anyelement_from_others(), resolve_anymultirange_from_others(), resolve_anyrange_from_others(), select_common_type(), select_common_type_from_oids(), type_is_rowtype(), and typeIsComposite().

getBaseTypeAndTypmod()

Oid getBaseTypeAndTypmod	(	Oid	typid,
		int32 *	typmod
	)

Definition at line 2495 of file lsyscache.c.

{
    /*
     * We loop to find the bottom base type in a stack of domains.
     */
    for (;;)
    {
        HeapTuple   tup;
        Form_pg_type typTup;
 
        tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
        if (!HeapTupleIsValid(tup))
            elog(ERROR, "cache lookup failed for type %u", typid);
        typTup = (Form_pg_type) GETSTRUCT(tup);
        if (typTup->typtype != TYPTYPE_DOMAIN)
        {
            /* Not a domain, so done */
            ReleaseSysCache(tup);
            break;
        }
 
        Assert(*typmod == -1);
        typid = typTup->typbasetype;
        *typmod = typTup->typtypmod;
 
        ReleaseSysCache(tup);
    }
 
    return typid;
}

References Assert(), elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by ATExecAddColumn(), build_coercion_expression(), cache_record_field_properties(), coerce_record_to_complex(), coerce_to_domain(), coerce_type(), getBaseType(), lookup_type_cache(), map_sql_type_to_xmlschema_type(), prepare_column_cache(), SendRowDescriptionMessage(), transformAssignmentIndirection(), transformContainerType(), and transformTypeCast().

getSubscriptingRoutines()

const struct SubscriptRoutines* getSubscriptingRoutines	(	Oid	typid,
		Oid *	typelemp
	)

Definition at line 3087 of file lsyscache.c.

{
    RegProcedure typsubscript = get_typsubscript(typid, typelemp);
 
    if (!OidIsValid(typsubscript))
        return NULL;
 
    return (const struct SubscriptRoutines *)
        DatumGetPointer(OidFunctionCall0(typsubscript));
}

References DatumGetPointer, get_typsubscript(), OidFunctionCall0, and OidIsValid.

Referenced by contain_leaked_vars_walker(), contain_nonstrict_functions_walker(), ExecInitSubscriptingRef(), and transformContainerSubscripts().

getTypeBinaryInputInfo()

void getTypeBinaryInputInfo	(	Oid	type,
		Oid *	typReceive,
		Oid *	typIOParam
	)

Definition at line 2897 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type pt;
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", type);
    pt = (Form_pg_type) GETSTRUCT(typeTuple);
 
    if (!pt->typisdefined)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("type %s is only a shell",
                        format_type_be(type))));
    if (!OidIsValid(pt->typreceive))
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_FUNCTION),
                 errmsg("no binary input function available for type %s",
                        format_type_be(type))));
 
    *typReceive = pt->typreceive;
    *typIOParam = getTypeIOParam(typeTuple);
 
    ReleaseSysCache(typeTuple);
}

References elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, ReleaseSysCache(), SearchSysCache1(), generate_unaccent_rules::type, and TYPEOID.

Referenced by BeginCopyFrom(), domain_state_setup(), exec_bind_message(), parse_fcall_arguments(), record_recv(), slot_modify_data(), and slot_store_data().

getTypeBinaryOutputInfo()

void getTypeBinaryOutputInfo	(	Oid	type,
		Oid *	typSend,
		bool *	typIsVarlena
	)

Definition at line 2930 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type pt;
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", type);
    pt = (Form_pg_type) GETSTRUCT(typeTuple);
 
    if (!pt->typisdefined)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("type %s is only a shell",
                        format_type_be(type))));
    if (!OidIsValid(pt->typsend))
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_FUNCTION),
                 errmsg("no binary output function available for type %s",
                        format_type_be(type))));
 
    *typSend = pt->typsend;
    *typIsVarlena = (!pt->typbyval) && (pt->typlen == -1);
 
    ReleaseSysCache(typeTuple);
}

References elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, ReleaseSysCache(), SearchSysCache1(), generate_unaccent_rules::type, and TYPEOID.

Referenced by DoCopyTo(), printtup_prepare_info(), record_send(), and SendFunctionResult().

getTypeInputInfo()

void getTypeInputInfo	(	Oid	type,
		Oid *	typInput,
		Oid *	typIOParam
	)

Definition at line 2831 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type pt;
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", type);
    pt = (Form_pg_type) GETSTRUCT(typeTuple);
 
    if (!pt->typisdefined)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("type %s is only a shell",
                        format_type_be(type))));
    if (!OidIsValid(pt->typinput))
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_FUNCTION),
                 errmsg("no input function available for type %s",
                        format_type_be(type))));
 
    *typInput = pt->typinput;
    *typIOParam = getTypeIOParam(typeTuple);
 
    ReleaseSysCache(typeTuple);
}

References elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, ReleaseSysCache(), SearchSysCache1(), generate_unaccent_rules::type, and TYPEOID.

Referenced by _sv_to_datum_finfo(), BeginCopyFrom(), check_functions_in_node(), cost_qual_eval_walker(), DefineAggregate(), domain_state_setup(), eval_const_expressions_mutator(), exec_bind_message(), ExecInitExprRec(), ExecInitTableFuncScan(), GetAggInitVal(), hstore_populate_record(), parse_fcall_arguments(), plperl_spi_prepare(), pltcl_SPI_prepare(), PLy_output_setup_func(), prepare_column_cache(), record_in(), slot_modify_data(), slot_store_data(), and TupleDescGetAttInMetadata().

getTypeIOParam()

Oid getTypeIOParam

(

HeapTuple

typeTuple

)

Definition at line 2260 of file lsyscache.c.

{
    Form_pg_type typeStruct = (Form_pg_type) GETSTRUCT(typeTuple);
 
    /*
     * Array types get their typelem as parameter; everybody else gets their
     * own type OID as parameter.
     */
    if (OidIsValid(typeStruct->typelem))
        return typeStruct->typelem;
    else
        return typeStruct->oid;
}

References GETSTRUCT, and OidIsValid.

Referenced by compile_plperl_function(), compile_pltcl_function(), get_typdefault(), get_type_io_data(), getTypeBinaryInputInfo(), getTypeInputInfo(), plsample_func_handler(), and stringTypeDatum().

getTypeOutputInfo()

void getTypeOutputInfo	(	Oid	type,
		Oid *	typOutput,
		bool *	typIsVarlena
	)

Definition at line 2864 of file lsyscache.c.

{
    HeapTuple   typeTuple;
    Form_pg_type pt;
 
    typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type));
    if (!HeapTupleIsValid(typeTuple))
        elog(ERROR, "cache lookup failed for type %u", type);
    pt = (Form_pg_type) GETSTRUCT(typeTuple);
 
    if (!pt->typisdefined)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("type %s is only a shell",
                        format_type_be(type))));
    if (!OidIsValid(pt->typoutput))
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_FUNCTION),
                 errmsg("no output function available for type %s",
                        format_type_be(type))));
 
    *typOutput = pt->typoutput;
    *typIsVarlena = (!pt->typbyval) && (pt->typlen == -1);
 
    ReleaseSysCache(typeTuple);
}

References elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, ReleaseSysCache(), SearchSysCache1(), generate_unaccent_rules::type, and TYPEOID.

Referenced by brin_minmax_multi_summary_out(), brin_page_items(), build_concat_foutcache(), BuildIndexValueDescription(), BuildParamLogString(), check_functions_in_node(), convert_value_to_string(), cost_qual_eval_walker(), create_foreign_modify(), debugtup(), deparseConst(), DoCopyTo(), eval_const_expressions_mutator(), ExecBuildSlotPartitionKeyDescription(), ExecBuildSlotValueDescription(), ExecInitExprRec(), get_const_expr(), hstore_from_record(), json_categorize_type(), jsonb_categorize_type(), map_sql_value_to_xml_value(), pg_stats_ext_mcvlist_items(), plperl_hash_from_tuple(), plperl_sv_to_literal(), pltcl_build_tuple_argument(), pltcl_set_tuple_values(), PLy_input_setup_func(), prepare_query_params(), print_expr(), printtup_prepare_info(), record_out(), ri_ReportViolation(), SendFunctionResult(), set_limit(), SPI_getvalue(), text_format(), and tuple_to_stringinfo().

op_hashjoinable()

bool op_hashjoinable	(	Oid	opno,
		Oid	inputtype
	)

Definition at line 1418 of file lsyscache.c.

{
    bool        result = false;
    HeapTuple   tp;
    TypeCacheEntry *typentry;
 
    /* As in op_mergejoinable, let the typcache handle the hard cases */
    if (opno == ARRAY_EQ_OP)
    {
        typentry = lookup_type_cache(inputtype, TYPECACHE_HASH_PROC);
        if (typentry->hash_proc == F_HASH_ARRAY)
            result = true;
    }
    else if (opno == RECORD_EQ_OP)
    {
        typentry = lookup_type_cache(inputtype, TYPECACHE_HASH_PROC);
        if (typentry->hash_proc == F_HASH_RECORD)
            result = true;
    }
    else
    {
        /* For all other operators, rely on pg_operator.oprcanhash */
        tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
        if (HeapTupleIsValid(tp))
        {
            Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
 
            result = optup->oprcanhash;
            ReleaseSysCache(tp);
        }
    }
    return result;
}

References GETSTRUCT, TypeCacheEntry::hash_proc, HeapTupleIsValid, lookup_type_cache(), ObjectIdGetDatum, OPEROID, ReleaseSysCache(), SearchSysCache1(), and TYPECACHE_HASH_PROC.

Referenced by addTargetToSortList(), check_hashjoinable(), compute_semijoin_info(), generate_join_implied_equalities_normal(), and hash_ok_operator().

op_in_opfamily()

bool op_in_opfamily	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 64 of file lsyscache.c.

{
    return SearchSysCacheExists3(AMOPOPID,
                                 ObjectIdGetDatum(opno),
                                 CharGetDatum(AMOP_SEARCH),
                                 ObjectIdGetDatum(opfamily));
}

References AMOPOPID, CharGetDatum, ObjectIdGetDatum, and SearchSysCacheExists3.

Referenced by comparison_ops_are_compatible(), equality_ops_are_compatible(), have_partkey_equi_join(), match_clause_to_partition_key(), match_opclause_to_indexcol(), match_pattern_prefix(), match_saopclause_to_indexcol(), and relation_has_unique_index_for().

op_input_types()

void op_input_types	(	Oid	opno,
		Oid *	lefttype,
		Oid *	righttype
	)

Definition at line 1339 of file lsyscache.c.

{
    HeapTuple   tp;
    Form_pg_operator optup;
 
    tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
    if (!HeapTupleIsValid(tp))  /* shouldn't happen */
        elog(ERROR, "cache lookup failed for operator %u", opno);
    optup = (Form_pg_operator) GETSTRUCT(tp);
    *lefttype = optup->oprleft;
    *righttype = optup->oprright;
    ReleaseSysCache(tp);
}

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), and SearchSysCache1().

Referenced by CheckIndexCompatible(), initialize_mergeclause_eclasses(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and ri_HashCompareOp().

op_mergejoinable()

bool op_mergejoinable	(	Oid	opno,
		Oid	inputtype
	)

Definition at line 1367 of file lsyscache.c.

{
    bool        result = false;
    HeapTuple   tp;
    TypeCacheEntry *typentry;
 
    /*
     * For array_eq or record_eq, we can sort if the element or field types
     * are all sortable.  We could implement all the checks for that here, but
     * the typcache already does that and caches the results too, so let's
     * rely on the typcache.
     */
    if (opno == ARRAY_EQ_OP)
    {
        typentry = lookup_type_cache(inputtype, TYPECACHE_CMP_PROC);
        if (typentry->cmp_proc == F_BTARRAYCMP)
            result = true;
    }
    else if (opno == RECORD_EQ_OP)
    {
        typentry = lookup_type_cache(inputtype, TYPECACHE_CMP_PROC);
        if (typentry->cmp_proc == F_BTRECORDCMP)
            result = true;
    }
    else
    {
        /* For all other operators, rely on pg_operator.oprcanmerge */
        tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
        if (HeapTupleIsValid(tp))
        {
            Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
 
            result = optup->oprcanmerge;
            ReleaseSysCache(tp);
        }
    }
    return result;
}

References TypeCacheEntry::cmp_proc, GETSTRUCT, HeapTupleIsValid, lookup_type_cache(), ObjectIdGetDatum, OPEROID, ReleaseSysCache(), SearchSysCache1(), and TYPECACHE_CMP_PROC.

Referenced by check_mergejoinable(), and compute_semijoin_info().

op_strict()

bool op_strict

(

Oid

opno

)

Definition at line 1458 of file lsyscache.c.

{
    RegProcedure funcid = get_opcode(opno);
 
    if (funcid == (RegProcedure) InvalidOid)
        elog(ERROR, "operator %u does not exist", opno);
 
    return func_strict((Oid) funcid);
}

References elog, ERROR, func_strict(), get_opcode(), and InvalidOid.

Referenced by clause_is_strict_for(), ExecHashTableCreate(), have_partkey_equi_join(), match_clause_to_partition_key(), operator_predicate_proof(), and reconsider_outer_join_clause().

op_volatile()

char op_volatile

(

Oid

opno

)

Definition at line 1474 of file lsyscache.c.

{
    RegProcedure funcid = get_opcode(opno);
 
    if (funcid == (RegProcedure) InvalidOid)
        elog(ERROR, "operator %u does not exist", opno);
 
    return func_volatile((Oid) funcid);
}

References elog, ERROR, func_volatile(), get_opcode(), and InvalidOid.

Referenced by lookup_proof_cache(), and match_clause_to_partition_key().

type_is_collatable()

bool type_is_collatable

(

Oid

typid

)

Definition at line 3038 of file lsyscache.c.

{
    return OidIsValid(get_typcollation(typid));
}

References get_typcollation(), and OidIsValid.

Referenced by appendJsonTableColumns(), CheckAttributeType(), coerce_to_target_type(), coerce_type(), ComputeIndexAttrs(), ComputePartitionAttrs(), create_ctas_nodata(), DefineRange(), DefineVirtualRelation(), intorel_startup(), pg_collation_for(), and transformCollateClause().

type_is_enum()

bool type_is_enum

(

Oid

typid

)

Definition at line 2635 of file lsyscache.c.

{
    return (get_typtype(typid) == TYPTYPE_ENUM);
}

References get_typtype().

Referenced by check_generic_type_consistency(), enforce_generic_type_consistency(), and IsBinaryCoercible().

type_is_multirange()

bool type_is_multirange

(

Oid

typid

)

Definition at line 2655 of file lsyscache.c.

{
    return (get_typtype(typid) == TYPTYPE_MULTIRANGE);
}

References get_typtype().

Referenced by IsBinaryCoercible(), multirange_agg_transfn(), and multirange_intersect_agg_transfn().

type_is_range()

bool type_is_range

(

Oid

typid

)

Definition at line 2645 of file lsyscache.c.

{
    return (get_typtype(typid) == TYPTYPE_RANGE);
}

References get_typtype().

Referenced by IsBinaryCoercible(), range_agg_transfn(), and range_intersect_agg_transfn().

type_is_rowtype()

bool type_is_rowtype

(

Oid

typid

)

Definition at line 2612 of file lsyscache.c.

{
    if (typid == RECORDOID)
        return true;            /* easy case */
    switch (get_typtype(typid))
    {
        case TYPTYPE_COMPOSITE:
            return true;
        case TYPTYPE_DOMAIN:
            if (get_typtype(getBaseType(typid)) == TYPTYPE_COMPOSITE)
                return true;
            break;
        default:
            break;
    }
    return false;
}

References get_typtype(), and getBaseType().

Referenced by build_datatype(), can_minmax_aggs(), coerce_function_result_tuple(), compile_plperl_function(), compile_pltcl_function(), deparseNullTest(), do_compile(), exec_assign_value(), exec_stmt_return(), exec_stmt_return_next(), ExecMakeTableFunctionResult(), get_rule_expr(), hstore_populate_record(), init_sql_fcache(), json_categorize_type(), jsonb_categorize_type(), makeWholeRowVar(), plperl_hash_from_tuple(), plperl_ref_from_pg_array(), plperl_sv_to_datum(), plpgsql_exec_trigger(), and transformExprRecurse().

Variable Documentation

get_attavgwidth_hook

get_attavgwidth_hook_type get_attavgwidth_hook = NULL

Definition at line 51 of file lsyscache.c.

Referenced by get_attavgwidth().