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_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)
Oid	get_opfamily_proc (Oid opfamily, Oid lefttype, Oid righttype, int16 procnum)
char *	get_attname (Oid relid, AttrNumber attnum)
char *	get_relid_attribute_name (Oid relid, AttrNumber attnum)
AttrNumber	get_attnum (Oid relid, const char *attname)
char	get_attidentity (Oid relid, AttrNumber attnum)
Oid	get_atttype (Oid relid, AttrNumber attnum)
int32	get_atttypmod (Oid relid, AttrNumber attnum)
void	get_atttypetypmodcoll (Oid relid, AttrNumber attnum, Oid *typid, int32 *typmod, Oid *collid)
char *	get_collation_name (Oid colloid)
char *	get_constraint_name (Oid conoid)
char *	get_language_name (Oid langoid, bool missing_ok)
Oid	get_opclass_family (Oid opclass)
Oid	get_opclass_input_type (Oid opclass)
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)
bool	get_func_leakproof (Oid funcid)
float4	get_func_cost (Oid funcid)
float4	get_func_rows (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)
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)
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)
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)

Variables
get_attavgwidth_hook_type	get_attavgwidth_hook = NULL

Function Documentation

bool equality_ops_are_compatible	(	Oid	opno1,
		Oid	opno2
	)

Definition at line 695 of file lsyscache.c.

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

Referenced by query_is_distinct_for().

{
    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;
}

void free_attstatsslot

(

AttStatsSlot *

sslot

)

Definition at line 3011 of file lsyscache.c.

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

Referenced by _int_matchsel(), booltestsel(), brincostestimate(), btcostestimate(), calc_arraycontsel(), calc_hist_selectivity(), calc_rangesel(), eqjoinsel_inner(), eqjoinsel_semi(), estimate_hash_bucketsize(), 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().

{
    /* 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);
}

char func_parallel

(

Oid

funcid

)

Definition at line 1603 of file lsyscache.c.

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

Referenced by max_parallel_hazard_checker(), and set_rel_consider_parallel().

{
    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;
}

bool func_strict

(

Oid

funcid

)

Definition at line 1565 of file lsyscache.c.

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

Referenced by AggregateCreate(), contain_nonstrict_functions_checker(), find_nonnullable_rels_walker(), find_nonnullable_vars_walker(), hash_ok_operator(), is_strict_saop(), op_strict(), predicate_implied_by_simple_clause(), and predicate_refuted_by_simple_clause().

{
    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;
}

char func_volatile

(

Oid

funcid

)

Definition at line 1584 of file lsyscache.c.

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

Referenced by contain_mutable_functions_checker(), contain_volatile_functions_checker(), contain_volatile_functions_not_nextval_checker(), DefineType(), eval_const_expressions_mutator(), findRangeCanonicalFunction(), findRangeSubtypeDiffFunction(), and op_volatile().

{
    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;
}

Oid get_array_type

(

Oid

typid

)

Definition at line 2512 of file lsyscache.c.

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

Referenced by AlterTypeNamespace_oid(), AlterTypeOwner(), enforce_generic_type_consistency(), find_composite_type_dependencies(), get_promoted_array_type(), get_qual_for_list(), initArrayResultAny(), LookupTypeName(), make_scalar_array_op(), moveArrayTypeName(), ParseFuncOrColumn(), RenameType(), resolve_generic_type(), transformAExprIn(), and transformArrayExpr().

{
    HeapTuple   tp;
    Oid         result = InvalidOid;

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

int32 get_attavgwidth	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 2828 of file lsyscache.c.

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

Referenced by get_rel_data_width(), and set_rel_width().

{
    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;
}

char get_attidentity	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 851 of file lsyscache.c.

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

Referenced by ATExecColumnDefault(), ATExecDropNotNull(), and transformAlterTableStmt().

{
    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 = att_tup->attidentity;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return '\0';
}

char* get_attname	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 774 of file lsyscache.c.

References ATTNUM, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, NameStr, NULL, ObjectIdGetDatum, pstrdup(), ReleaseSysCache(), result, and SearchSysCache2.

Referenced by AddRelationNewConstraints(), fixup_inherited_columns(), and get_relid_attribute_name().

{
    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;
    }
    else
        return NULL;
}

AttrNumber get_attnum	(	Oid	relid,
		const char *	attname
	)

Definition at line 821 of file lsyscache.c.

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

Referenced by ATExecColumnDefault(), ATExecDropNotNull(), convert_column_name(), expand_col_privileges(), fixup_inherited_columns(), get_object_address_attrdef(), get_object_address_attribute(), LookupTypeName(), pg_get_serial_sequence(), ProcedureCreate(), process_owned_by(), transformAlterTableStmt(), and transformAssignmentIndirection().

{
    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;
}

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

Definition at line 2895 of file lsyscache.c.

References Anum_pg_statistic_stanumbers1, Anum_pg_statistic_stavalues1, ARR_DATA_PTR, ARR_DIMS, ARR_ELEMTYPE, ARR_HASNULL, ARR_NDIM, ATTSTATSSLOT_NUMBERS, ATTSTATSSLOT_VALUES, DatumGetArrayTypePCopy, deconstruct_array(), elog, ERROR, FLOAT4OID, GETSTRUCT, HeapTupleIsValid, i, InvalidOid, AttStatsSlot::nnumbers, NULL, AttStatsSlot::numbers, AttStatsSlot::numbers_arr, AttStatsSlot::nvalues, ObjectIdGetDatum, pfree(), ReleaseSysCache(), SearchSysCache1, 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_rangesel(), eqjoinsel_inner(), eqjoinsel_semi(), estimate_hash_bucketsize(), 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().

{
    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];

    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;
}

Oid get_atttype	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 878 of file lsyscache.c.

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

Referenced by generateClonedIndexStmt(), LookupTypeName(), and transformAlterTableStmt().

{
    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;
}

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

Definition at line 935 of file lsyscache.c.

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

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

{
    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);
}

int32 get_atttypmod	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 905 of file lsyscache.c.

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

{
    HeapTuple   tp;

    tp = SearchSysCache2(ATTNUM,
                         ObjectIdGetDatum(relid),
                         Int16GetDatum(attnum));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
        int32       result;

        result = att_tup->atttypmod;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return -1;
}

Oid get_base_element_type

(

Oid

typid

)

Definition at line 2557 of file lsyscache.c.

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

Referenced by array_typanalyze(), arraycontsel(), build_datatype(), cache_array_element_properties(), concat_internal(), ConstructTupleDescriptor(), count_nulls(), CreateFunction(), find_coercion_pathway(), get_call_expr_argtype(), get_rule_expr(), make_scalar_array_op(), ParseFuncOrColumn(), plperl_hash_from_tuple(), PLy_input_datum_func2(), PLy_output_datum_func2(), PLySequence_ToArray(), scalararraysel(), and text_format().

{
    /*
     * 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 (typTup->typlen == -1)
                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;
}

char* get_collation_name

(

Oid

colloid

)

Definition at line 967 of file lsyscache.c.

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

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

{
    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;
}

Oid get_commutator

(

Oid

opno

)

Definition at line 1313 of file lsyscache.c.

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

Referenced by adjust_rowcompare_for_index(), CommuteOpExpr(), CommuteRowCompareExpr(), compute_semijoin_info(), ComputeIndexAttrs(), convert_EXISTS_to_ANY(), eqjoinsel(), gincost_opexpr(), is_indexable_operator(), match_clause_to_ordering_op(), match_foreign_keys_to_quals(), match_rowcompare_to_indexcol(), networkjoinsel(), operator_predicate_proof(), rangesel(), scalargtsel(), scalarltsel(), and targetIsInSortList().

{
    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;
}

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

Definition at line 407 of file lsyscache.c.

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

Referenced by create_unique_plan(), and ExecInitSubPlan().

{
    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;
}

char* get_constraint_name

(

Oid

conoid

)

Definition at line 997 of file lsyscache.c.

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

Referenced by get_insert_query_def(), and report_triggers().

{
    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;
}

Oid get_element_type

(

Oid

typid

)

Definition at line 2484 of file lsyscache.c.

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

Referenced by aclcheck_error_type(), AlterTypeNamespace_oid(), check_generic_type_consistency(), CheckAttributeType(), CreateCast(), enforce_generic_type_consistency(), exec_assign_value(), 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_generic_type(), transformArrayExpr(), and transformTypeCast().

{
    HeapTuple   tp;

    tp = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typid));
    if (HeapTupleIsValid(tp))
    {
        Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
        Oid         result;

        if (typtup->typlen == -1)
            result = typtup->typelem;
        else
            result = InvalidOid;
        ReleaseSysCache(tp);
        return result;
    }
    else
        return InvalidOid;
}

Oid get_equality_op_for_ordering_op	(	Oid	opno,
		bool *	reverse
	)

Definition at line 264 of file lsyscache.c.

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

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

{
    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;
}

float4 get_func_cost

(

Oid

funcid

)

Definition at line 1641 of file lsyscache.c.

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

Referenced by cost_qual_eval_walker(), cost_windowagg(), and get_agg_clause_costs_walker().

{
    HeapTuple   tp;
    float4      result;

    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);

    result = ((Form_pg_proc) GETSTRUCT(tp))->procost;
    ReleaseSysCache(tp);
    return result;
}

bool get_func_leakproof

(

Oid

funcid

)

Definition at line 1622 of file lsyscache.c.

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

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

{
    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;
}

char* get_func_name

(

Oid

funcid

)

Definition at line 1412 of file lsyscache.c.

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

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

{
    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;
}

Oid get_func_namespace

(

Oid

funcid

)

Definition at line 1436 of file lsyscache.c.

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

Referenced by sepgsql_proc_drop().

{
    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;
}

int get_func_nargs

(

Oid

funcid

)

Definition at line 1478 of file lsyscache.c.

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

{
    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;
}

bool get_func_retset

(

Oid

funcid

)

Definition at line 1546 of file lsyscache.c.

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

Referenced by make_op(), and make_scalar_array_op().

{
    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;
}

Oid get_func_rettype

(

Oid

funcid

)

Definition at line 1459 of file lsyscache.c.

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

Referenced by CreateConversionCommand(), CreateEventTrigger(), CreateProceduralLanguage(), CreateTrigger(), DefineOperator(), DefineType(), findRangeCanonicalFunction(), findRangeSubtypeDiffFunction(), findTypeAnalyzeFunction(), findTypeTypmodinFunction(), findTypeTypmodoutFunction(), get_ts_parser_func(), get_ts_template_func(), gistrescan(), lookup_fdw_handler_func(), lookup_index_am_handler_func(), OperatorCreate(), transformRangeTableSample(), ValidateJoinEstimator(), and ValidateRestrictionEstimator().

{
    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;
}

float4 get_func_rows

(

Oid

funcid

)

Definition at line 1660 of file lsyscache.c.

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

Referenced by expression_returns_set_rows().

{
    HeapTuple   tp;
    float4      result;

    tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
    if (!HeapTupleIsValid(tp))
        elog(ERROR, "cache lookup failed for function %u", funcid);

    result = ((Form_pg_proc) GETSTRUCT(tp))->prorows;
    ReleaseSysCache(tp);
    return result;
}

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

Definition at line 1500 of file lsyscache.c.

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

Referenced by plperl_call_perl_func(), and resolve_aggregate_transtype().

{
    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;
}

Oid get_func_variadictype

(

Oid

funcid

)

Definition at line 1527 of file lsyscache.c.

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

Referenced by assign_hypothetical_collations(), and assign_ordered_set_collations().

{
    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;
}

char* get_language_name	(	Oid	langoid,
		bool	missing_ok
	)

Definition at line 1018 of file lsyscache.c.

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

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

{
    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;
}

List* get_mergejoin_opfamilies

(

Oid

opno

)

Definition at line 363 of file lsyscache.c.

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

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

{
    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;
}

char* get_namespace_name

(

Oid

nspid

)

Definition at line 3033 of file lsyscache.c.

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

Referenced by acquire_inherited_sample_rows(), AlterExtensionNamespace(), AlterObjectNamespace_internal(), AlterObjectOwner_internal(), AlterObjectRename_internal(), AlterRelationNamespaceInternal(), AlterSubscription_refresh(), AlterTableMoveAll(), AlterTypeNamespaceInternal(), AlterTypeOwner(), appendFunctionName(), ApplyExtensionUpdates(), ATExecChangeOwner(), BuildRelationExtStatistics(), check_TSCurrentConfig(), compute_return_type(), copy_heap_data(), copy_table(), CreateConversionCommand(), CreateExtensionInternal(), CreateFunction(), current_schema(), current_schemas(), 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(), ExecRefreshMatView(), execute_extension_script(), ExplainTargetRel(), fetch_statentries_for_relation(), format_operator_internal(), format_procedure_internal(), generate_collation_name(), generate_function_name(), generate_operator_name(), generate_qualified_relation_name(), generate_relation_name(), generateClonedIndexStmt(), generateSerialExtraStmts(), get_collation(), get_namespace_name_or_temp(), get_opclass(), get_opclass_name(), get_other_operator(), getObjectDescription(), getOpFamilyDescription(), getRelationDescription(), GetTempNamespaceBackendId(), HandleFunctionRequest(), heap_create(), isAnyTempNamespace(), IsThereCollationInNamespace(), IsThereFunctionInNamespace(), IsThereOpClassInNamespace(), IsThereOpFamilyInNamespace(), lazy_scan_heap(), lazy_vacuum_rel(), 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(), mv_GenerateOper(), perform_work_item(), pg_decode_change(), pg_event_trigger_ddl_commands(), pg_get_functiondef(), pg_get_statisticsobj_worker(), pg_identify_object(), pg_newlocale_from_collation(), plpgsql_exec_trigger(), postgresGetForeignRelSize(), quoteRelationName(), RangeVarCallbackForAlterRelation(), RangeVarGetAndCheckCreationNamespace(), RebuildConstraintComment(), refresh_by_match_merge(), regclassout(), regconfigout(), regdictionaryout(), regnamespaceout(), regoperout(), regprocout(), ReindexMultipleTables(), report_namespace_conflict(), ri_add_cast_to(), ri_GenerateQual(), ri_GenerateQualCollation(), schema_to_xml_internal(), sepgsql_proc_post_create(), sepgsql_relation_post_create(), SPI_getnspname(), transformAlterTableStmt(), and transformCreateStmt().

{
    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;
}

char* get_namespace_name_or_temp

(

Oid

nspid

)

Definition at line 3057 of file lsyscache.c.

References get_namespace_name(), and isTempNamespace().

Referenced by format_operator_parts(), format_procedure_parts(), format_type_internal(), getObjectIdentityParts(), getOpFamilyIdentity(), and getRelationIdentity().

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

Oid get_negator

(

Oid

opno

)

Definition at line 1337 of file lsyscache.c.

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

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

{
    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;
}

List* get_op_btree_interpretation

(

Oid

opno

)

Definition at line 598 of file lsyscache.c.

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

Referenced by lookup_proof_cache(), and make_row_comparison_op().

{
    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;
}

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

Definition at line 507 of file lsyscache.c.

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

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

{
    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,
                                                HASHPROC);
                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,
                                                HASHPROC);
                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;
}

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

Definition at line 133 of file lsyscache.c.

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

Referenced by adjust_rowcompare_for_index(), ExecIndexBuildScanKeys(), ExecInitExprRec(), gincost_pattern(), mergejoinscansel(), and MJExamineQuals().

{
    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);
}

Oid get_op_opfamily_sortfamily	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 105 of file lsyscache.c.

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

Referenced by match_clause_to_ordering_op().

{
    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;
}

int get_op_opfamily_strategy	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 80 of file lsyscache.c.

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

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

{
    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;
}

Oid get_op_rettype

(

Oid

opno

)

Definition at line 1142 of file lsyscache.c.

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

Referenced by gistvalidate().

{
    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;
}

Oid get_opclass_family

(

Oid

opclass

)

Definition at line 1047 of file lsyscache.c.

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

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

{
    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;
}

Oid get_opclass_input_type

(

Oid

opclass

)

Definition at line 1069 of file lsyscache.c.

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

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

{
    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;
}

RegProcedure get_opcode

(

Oid

opno

)

Definition at line 1094 of file lsyscache.c.

References GETSTRUCT, HeapTupleIsValid, InvalidOid, ObjectIdGetDatum, OPEROID, ReleaseSysCache(), result, 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(), ComputeIndexAttrs(), contain_leaked_vars_walker(), cost_qual_eval_walker(), DefineOpClass(), eqjoinsel_inner(), eqjoinsel_semi(), ExecInitSubPlan(), execTuplesHashPrepare(), execTuplesMatchPrepare(), get_expr_result_type(), get_variable_range(), hypothetical_dense_rank_final(), inclusion_get_strategy_procinfo(), inet_mcv_join_sel(), lookup_type_cache(), ltreeparentsel(), make_partition_op_expr(), minmax_get_strategy_procinfo(), mode_final(), networkjoinsel_semi(), networksel(), op_strict(), op_volatile(), OperatorLookup(), patternsel(), prefix_quals(), prefix_selectivity(), RelationGetExclusionInfo(), ri_HashCompareOp(), scalarineqsel(), select_equality_operator(), set_opfuncid(), set_sa_opfuncid(), std_typanalyze(), and var_eq_const().

{
    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;
}

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

Definition at line 163 of file lsyscache.c.

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

Referenced by _bt_compare_scankey_args(), _bt_find_extreme_element(), adjust_rowcompare_for_index(), ATAddForeignKeyConstraint(), btcostestimate(), build_replindex_scan_key(), BuildSpeculativeIndexInfo(), create_indexscan_plan(), 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(), mergejoinscansel(), network_prefix_quals(), patternsel(), prefix_quals(), prefix_selectivity(), prepare_sort_from_pathkeys(), and select_equality_operator().

{
    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;
}

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

Definition at line 744 of file lsyscache.c.

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

Referenced by _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(), MJExamineQuals(), and RelationBuildPartitionKey().

{
    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;
}

char* get_opname

(

Oid

opno

)

Definition at line 1119 of file lsyscache.c.

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

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

{
    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;
}

RegProcedure get_oprjoin

(

Oid

opno

)

Definition at line 1385 of file lsyscache.c.

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

Referenced by join_selectivity(), and scalararraysel().

{
    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;
}

RegProcedure get_oprrest

(

Oid

opno

)

Definition at line 1361 of file lsyscache.c.

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

Referenced by clauselist_selectivity(), dependency_is_compatible_clause(), restriction_selectivity(), and scalararraysel().

{
    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;
}

Oid get_ordering_op_for_equality_op	(	Oid	opno,
		bool	use_lhs_type
	)

Definition at line 302 of file lsyscache.c.

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

Referenced by create_unique_plan().

{
    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;
}

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

Definition at line 204 of file lsyscache.c.

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

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

{
    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;
}

Oid get_promoted_array_type

(

Oid

typid

)

Definition at line 2536 of file lsyscache.c.

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

Referenced by build_subplan(), and exprType().

{
    Oid         array_type = get_array_type(typid);

    if (OidIsValid(array_type))
        return array_type;
    if (OidIsValid(get_element_type(typid)))
        return typid;
    return InvalidOid;
}

Oid get_range_subtype

(

Oid

rangeOid

)

Definition at line 3074 of file lsyscache.c.

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

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

{
    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;
}

char* get_rel_name

(

Oid

relid

)

Definition at line 1726 of file lsyscache.c.

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

Referenced by adjust_appendrel_attrs_mutator(), adjust_inherited_tlist(), AlterSubscription_refresh(), AlterTableNamespace(), ApplyWorkerMain(), ATExecChangeOwner(), check_enable_rls(), check_new_partition_bound(), conversion_error_callback(), convert_column_name(), CreateTrigger(), do_autovacuum(), EnableDisableRule(), exec_object_restorecon(), ExecCheckRTPerms(), execCurrentOf(), expand_col_privileges(), explain_get_index_name(), ExplainTargetRel(), get_relation_constraint_oid(), get_relation_name(), get_relation_policy_oid(), get_rewrite_oid(), get_rte_attribute_type(), get_trigger_oid(), getObjectDescription(), getObjectIdentityParts(), gincost_pattern(), has_sequence_privilege_id(), has_sequence_privilege_id_id(), has_sequence_privilege_name_id(), heap_truncate_check_FKs(), InsertRule(), LockTableRecurse(), map_sql_schema_to_xmlschema_types(), perform_work_item(), pg_attribute_noreturn(), pg_extension_config_dump(), pg_get_expr(), pg_get_expr_ext(), pg_prewarm(), pg_sequence_parameters(), postgresGetForeignRelSize(), process_owned_by(), reindex_index(), ReindexMultipleTables(), RenameConstraintById(), set_rtable_names(), show_modifytable_info(), table_to_xml_internal(), and transformAlterTableStmt().

{
    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;
}

Oid get_rel_namespace

(

Oid

relid

)

Definition at line 1750 of file lsyscache.c.

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

Referenced by check_relation_privileges(), do_autovacuum(), exec_object_restorecon(), ExecCheckXactReadOnly(), perform_work_item(), pg_decode_change(), ReindexMultipleTables(), sepgsql_relation_drop(), and transformAlterTableStmt().

{
    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;
}

char get_rel_persistence

(

Oid

relid

)

Definition at line 1852 of file lsyscache.c.

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

Referenced by set_rel_consider_parallel().

{
    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;
}

char get_rel_relkind

(

Oid

relid

)

Definition at line 1801 of file lsyscache.c.

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

Referenced by AlterSubscription_refresh(), AlterTypeNamespaceInternal(), AlterTypeOwner(), ATExecAlterColumnType(), check_relation_privileges(), CreateSubscription(), doDeletion(), exec_object_restorecon(), get_constraint_index(), getOwnedSequences(), 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(), pg_get_serial_sequence(), pg_get_triggerdef_worker(), RangeVarCallbackForLockTable(), RangeVarCallbackForReindexIndex(), RangeVarCallbackOwnsTable(), RelationGetPartitionDispatchInfo(), RenameType(), sepgsql_attribute_drop(), sepgsql_attribute_post_create(), sepgsql_attribute_relabel(), sepgsql_attribute_setattr(), sepgsql_relation_drop(), sepgsql_relation_relabel(), and sepgsql_relation_setattr().

{
    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';
}

Oid get_rel_tablespace

(

Oid

relid

)

Definition at line 1828 of file lsyscache.c.

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

Referenced by pg_get_constraintdef_worker(), and pg_get_indexdef_worker().

{
    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;
}

Oid get_rel_type_id

(

Oid

relid

)

Definition at line 1777 of file lsyscache.c.

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

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

{
    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;
}

char* get_relid_attribute_name	(	Oid	relid,
		AttrNumber	attnum
	)

Definition at line 801 of file lsyscache.c.

References elog, ERROR, get_attname(), and NULL.

Referenced by conversion_error_callback(), decompile_column_index_array(), deparseColumnRef(), errtablecol(), generateClonedIndexStmt(), get_insert_query_def(), get_rte_attribute_name(), get_update_query_targetlist_def(), getObjectDescription(), getObjectIdentityParts(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_triggerdef_worker(), processIndirection(), and transformPartitionBound().

{
    char       *attname;

    attname = get_attname(relid, attnum);
    if (attname == NULL)
        elog(ERROR, "cache lookup failed for attribute %d of relation %u",
             attnum, relid);
    return attname;
}

Oid get_relname_relid	(	const char *	relname,
		Oid	relnamespace
	)

Definition at line 1683 of file lsyscache.c.

References GetSysCacheOid2, ObjectIdGetDatum, PointerGetDatum, and RELNAMENSP.

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

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

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

Definition at line 1872 of file lsyscache.c.

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_datum_func2().

{
    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;
}

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

Definition at line 1893 of file lsyscache.c.

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

Referenced by plperl_sv_to_datum(), and PLy_output_datum_func2().

{
    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;
}

Oid get_typ_typrelid

(

Oid

typid

)

Definition at line 2457 of file lsyscache.c.

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

Referenced by CheckAttributeType(), and processIndirection().

{
    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;
}

int32 get_typavgwidth	(	Oid	typid,
		int32	typmod
	)

Definition at line 2328 of file lsyscache.c.

References BPCHAROID, get_typlen(), and type_maximum_size().

Referenced by create_one_window_path(), find_placeholder_info(), get_agg_clause_costs_walker(), get_rel_data_width(), set_append_rel_size(), set_pathtarget_cost_width(), and set_rel_width().

{
    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;
}

bool get_typbyval

(

Oid

typid

)

Definition at line 1972 of file lsyscache.c.

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

Referenced by get_agg_clause_costs_walker().

{
    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;
}

Oid get_typcollation

(

Oid

typid

)

Definition at line 2781 of file lsyscache.c.

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

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

{
    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;
}

Node* get_typdefault

(

Oid

typid

)

Definition at line 2198 of file lsyscache.c.

References Anum_pg_type_typdefault, Anum_pg_type_typdefaultbin, elog, ERROR, GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, makeConst(), NULL, ObjectIdGetDatum, OidInputFunctionCall(), pfree(), ReleaseSysCache(), SearchSysCache1, stringToNode(), SysCacheGetAttr(), TextDatumGetCString, and TYPEOID.

Referenced by build_column_default().

{
    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;
}

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

Definition at line 2436 of file lsyscache.c.

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

Referenced by func_select_candidate(), IsPreferredType(), select_common_type(), and TypeCategory().

{
    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);
}

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 2075 of file lsyscache.c.

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

Referenced by array_in(), array_out(), array_recv(), array_send(), array_to_text_internal(), get_range_io_data(), plperl_ref_from_pg_array(), PLy_input_datum_func2(), and PLy_output_datum_func2().

{
    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);
}

bool get_typisdefined

(

Oid

typid

)

Definition at line 1923 of file lsyscache.c.

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

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

{
    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;
}

int16 get_typlen

(

Oid

typid

)

Definition at line 1947 of file lsyscache.c.

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

Referenced by exec_assign_value(), ExecBuildProjectionInfo(), ExecInitArrayRef(), ExecInitCoerceToDomain(), ExecInitExprRec(), get_typavgwidth(), and pg_column_size().

{
    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;
}

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

Definition at line 2001 of file lsyscache.c.

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

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

{
    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);
}

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

Definition at line 2021 of file lsyscache.c.

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

Referenced by _bt_preprocess_array_keys(), array_create_iterator(), array_fill_internal(), array_map(), array_position_common(), array_positions(), array_to_json_internal(), array_to_jsonb_internal(), array_unnest(), arrayconst_startup_fn(), BuildArrayRemapInfo(), CreateCast(), DefineRange(), exec_assign_value(), ExecEvalScalarArrayOp(), ExecIndexEvalArrayKeys(), ExecInitArrayRef(), ExecInitExprRec(), expand_array(), get_text_array_contents(), ginarrayextract(), gincost_scalararrayopexpr(), ginqueryarrayextract(), initArrayResult(), map_sql_value_to_xml_value(), ordered_set_startup(), RelationBuildPartitionKey(), scalararraysel(), and text_format().

{
    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);
}

Oid get_typmodin

(

Oid

typid

)

Definition at line 2731 of file lsyscache.c.

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

{
    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;
}

char get_typstorage

(

Oid

typid

)

Definition at line 2169 of file lsyscache.c.

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

{
    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 'p';
}

char get_typtype

(

Oid

typid

)

Definition at line 2379 of file lsyscache.c.

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

Referenced by AlterTypeNamespace(), check_sql_fn_retval(), CheckAttributeType(), CreateCast(), CreateTransform(), DefineAggregate(), DefineRange(), DefineType(), fmgr_sql_validator(), get_rels_with_domain(), get_type_func_class(), inline_set_returning_function(), map_sql_type_to_xmlschema_type(), plperl_validator(), plpgsql_validator(), PLyObject_ToBool(), PLyObject_ToBytea(), PLySequence_ToArray(), type_is_enum(), type_is_range(), and type_is_rowtype().

{
    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';
}

Oid getBaseType

(

Oid

typid

)

Definition at line 2271 of file lsyscache.c.

References getBaseTypeAndTypmod().

Referenced by ATAddForeignKeyConstraint(), binary_oper_exact(), check_generic_type_consistency(), CheckAttributeType(), coerce_type(), enforce_generic_type_consistency(), ExecInitExprRec(), find_coercion_pathway(), func_select_candidate(), GetDefaultOpClass(), IsBinaryCoercible(), json_categorize_type(), jsonb_categorize_type(), logicalrep_write_typ(), map_sql_typecoll_to_xmlschema_types(), map_sql_value_to_xml_value(), PLy_input_datum_func2(), PLy_output_datum_func2(), range_typanalyze(), resolve_generic_type(), and select_common_type().

{
    int32       typmod = -1;

    return getBaseTypeAndTypmod(typid, &typmod);
}

Oid getBaseTypeAndTypmod	(	Oid	typid,
		int32 *	typmod
	)

Definition at line 2288 of file lsyscache.c.

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

Referenced by ATExecAddColumn(), coerce_to_domain(), coerce_type(), domain_state_setup(), exec_assign_value(), getBaseType(), map_sql_type_to_xmlschema_type(), SendRowDescriptionMessage(), transformArrayType(), and transformTypeCast().

{
    /*
     * 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;
}

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

Definition at line 2665 of file lsyscache.c.

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

Referenced by BeginCopyFrom(), domain_state_setup(), exec_bind_message(), parse_fcall_arguments(), parse_fcall_arguments_20(), and record_recv().

{
    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);
}

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

Definition at line 2698 of file lsyscache.c.

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

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

{
    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);
}

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

Definition at line 2599 of file lsyscache.c.

References elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, getTypeIOParam(), HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, ReleaseSysCache(), SearchSysCache1, 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(), prepare_column_cache(), record_in(), slot_modify_cstrings(), slot_store_cstrings(), and TupleDescGetAttInMetadata().

{
    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);
}

Oid getTypeIOParam

(

HeapTuple

typeTuple

)

Definition at line 2053 of file lsyscache.c.

References GETSTRUCT, HeapTupleGetOid, and OidIsValid.

Referenced by compile_plperl_function(), compile_pltcl_function(), get_typdefault(), get_type_io_data(), getTypeBinaryInputInfo(), getTypeInputInfo(), PLy_input_datum_func2(), PLy_output_datum_func2(), and stringTypeDatum().

{
    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 HeapTupleGetOid(typeTuple);
}

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

Definition at line 2632 of file lsyscache.c.

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

Referenced by brin_page_items(), BuildIndexValueDescription(), check_functions_in_node(), concat_internal(), convert_value_to_string(), CopyTo(), cost_qual_eval_walker(), debugtup(), deparseConst(), errdetail_params(), 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(), plperl_hash_from_tuple(), plperl_sv_to_literal(), pltcl_build_tuple_argument(), pltcl_set_tuple_values(), postgresBeginForeignModify(), prepare_query_params(), print_expr(), printtup_prepare_info(), record_out(), SendFunctionResult(), set_limit(), SPI_getvalue(), text_format(), and tuple_to_stringinfo().

{
    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);
}

bool op_hashjoinable	(	Oid	opno,
		Oid	inputtype
	)

Definition at line 1246 of file lsyscache.c.

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

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

{
    bool        result = false;
    HeapTuple   tp;
    TypeCacheEntry *typentry;

    /* As in op_mergejoinable, let the typcache handle the hard cases */
    /* Eventually we'll need a similar case for record_eq ... */
    if (opno == ARRAY_EQ_OP)
    {
        typentry = lookup_type_cache(inputtype, TYPECACHE_HASH_PROC);
        if (typentry->hash_proc == F_HASH_ARRAY)
            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;
}

bool op_in_opfamily	(	Oid	opno,
		Oid	opfamily
	)

Definition at line 63 of file lsyscache.c.

References AMOP_SEARCH, AMOPOPID, CharGetDatum, ObjectIdGetDatum, and SearchSysCacheExists3.

Referenced by equality_ops_are_compatible(), expand_indexqual_opclause(), is_indexable_operator(), and relation_has_unique_index_for().

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

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

Definition at line 1167 of file lsyscache.c.

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().

{
    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);
}

bool op_mergejoinable	(	Oid	opno,
		Oid	inputtype
	)

Definition at line 1195 of file lsyscache.c.

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

Referenced by check_mergejoinable(), and compute_semijoin_info().

{
    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;
}

bool op_strict

(

Oid

opno

)

Definition at line 1281 of file lsyscache.c.

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

Referenced by ExecHashTableCreate(), predicate_implied_by_simple_clause(), predicate_refuted_by_simple_clause(), and reconsider_outer_join_clause().

{
    RegProcedure funcid = get_opcode(opno);

    if (funcid == (RegProcedure) InvalidOid)
        elog(ERROR, "operator %u does not exist", opno);

    return func_strict((Oid) funcid);
}

char op_volatile

(

Oid

opno

)

Definition at line 1297 of file lsyscache.c.

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

Referenced by lookup_proof_cache().

{
    RegProcedure funcid = get_opcode(opno);

    if (funcid == (RegProcedure) InvalidOid)
        elog(ERROR, "operator %u does not exist", opno);

    return func_volatile((Oid) funcid);
}

bool type_is_collatable

(

Oid

typid

)

Definition at line 2806 of file lsyscache.c.

References get_typcollation(), and OidIsValid.

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

{
    return OidIsValid(get_typcollation(typid));
}

bool type_is_enum

(

Oid

typid

)

Definition at line 2414 of file lsyscache.c.

References get_typtype(), and TYPTYPE_ENUM.

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

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

bool type_is_range

(

Oid

typid

)

Definition at line 2424 of file lsyscache.c.

References get_typtype(), and TYPTYPE_RANGE.

Referenced by IsBinaryCoercible().

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

bool type_is_rowtype

(

Oid

typid

)

Definition at line 2404 of file lsyscache.c.

References get_typtype(), RECORDOID, and TYPTYPE_COMPOSITE.

Referenced by deparseNullTest(), exec_assign_value(), exec_stmt_return(), exec_stmt_return_next(), ExecMakeTableFunctionResult(), find_minmax_aggs_walker(), 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(), PLy_output_datum_func2(), populate_record_worker(), populate_recordset_worker(), and transformExprRecurse().

{
    return (typid == RECORDOID || get_typtype(typid) == TYPTYPE_COMPOSITE);
}

Variable Documentation

get_attavgwidth_hook_type get_attavgwidth_hook = NULL

Definition at line 50 of file lsyscache.c.

Referenced by get_attavgwidth().