pg_parameter_acl.h File Reference

#include "catalog/genbki.h"
#include "catalog/pg_parameter_acl_d.h"

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Typedefs
typedef FormData_pg_parameter_acl *	Form_pg_parameter_acl

Functions
	CATALOG (pg_parameter_acl, 6243, ParameterAclRelationId) BKI_SHARED_RELATION
	DECLARE_TOAST_WITH_MACRO (pg_parameter_acl, 6244, 6245, PgParameterAclToastTable, PgParameterAclToastIndex)
	DECLARE_UNIQUE_INDEX (pg_parameter_acl_parname_index, 6246, ParameterAclParnameIndexId, pg_parameter_acl, btree(parname text_ops))
	DECLARE_UNIQUE_INDEX_PKEY (pg_parameter_acl_oid_index, 6247, ParameterAclOidIndexId, pg_parameter_acl, btree(oid oid_ops))
	MAKE_SYSCACHE (PARAMETERACLNAME, pg_parameter_acl_parname_index, 4)
	MAKE_SYSCACHE (PARAMETERACLOID, pg_parameter_acl_oid_index, 4)
Oid	ParameterAclLookup (const char *parameter, bool missing_ok)
Oid	ParameterAclCreate (const char *parameter)

Variables
	FormData_pg_parameter_acl

Typedef Documentation

Form_pg_parameter_acl

typedef FormData_pg_parameter_acl* Form_pg_parameter_acl

Definition at line 49 of file pg_parameter_acl.h.

Function Documentation

CATALOG()

CATALOG	(	pg_parameter_acl	,
		6243	,
		ParameterAclRelationId
	)

Definition at line 30 of file pg_parameter_acl.h.

{
    Oid         oid;            /* oid */
 
#ifdef CATALOG_VARLEN           /* variable-length fields start here */
    /* name of parameter */
    text        parname BKI_FORCE_NOT_NULL;
 
    /* access permissions */
    aclitem     paracl[1] BKI_DEFAULT(_null_);
#endif
} FormData_pg_parameter_acl;

References BKI_DEFAULT, and BKI_FORCE_NOT_NULL.

DECLARE_TOAST_WITH_MACRO()

DECLARE_TOAST_WITH_MACRO	(	pg_parameter_acl	,
		6244	,
		6245	,
		PgParameterAclToastTable	,
		PgParameterAclToastIndex
	)

DECLARE_UNIQUE_INDEX()

DECLARE_UNIQUE_INDEX	(	pg_parameter_acl_parname_index	,
		6246	,
		ParameterAclParnameIndexId	,
		pg_parameter_acl	,
		btree(parname text_ops)
	)

DECLARE_UNIQUE_INDEX_PKEY()

DECLARE_UNIQUE_INDEX_PKEY	(	pg_parameter_acl_oid_index	,
		6247	,
		ParameterAclOidIndexId	,
		pg_parameter_acl	,
		btree(oid oid_ops)
	)

MAKE_SYSCACHE() [1/2]

MAKE_SYSCACHE	(	PARAMETERACLNAME	,
		pg_parameter_acl_parname_index	,
		4
	)

MAKE_SYSCACHE() [2/2]

MAKE_SYSCACHE	(	PARAMETERACLOID	,
		pg_parameter_acl_oid_index	,
		4
	)

ParameterAclCreate()

Oid ParameterAclCreate

(

const char *

parameter

)

Definition at line 69 of file pg_parameter_acl.c.

{
    Oid         parameterId;
    char       *parname;
    Relation    rel;
    TupleDesc   tupDesc;
    HeapTuple   tuple;
    Datum       values[Natts_pg_parameter_acl] = {0};
    bool        nulls[Natts_pg_parameter_acl] = {0};
 
    /*
     * To prevent cluttering pg_parameter_acl with useless entries, insist
     * that the name be valid.
     */
    check_GUC_name_for_parameter_acl(parameter);
 
    /* Convert name to the form it should have in pg_parameter_acl. */
    parname = convert_GUC_name_for_parameter_acl(parameter);
 
    /*
     * Create and insert a new record containing a null ACL.
     *
     * We don't take a strong enough lock to prevent concurrent insertions,
     * relying instead on the unique index.
     */
    rel = table_open(ParameterAclRelationId, RowExclusiveLock);
    tupDesc = RelationGetDescr(rel);
    parameterId = GetNewOidWithIndex(rel,
                                     ParameterAclOidIndexId,
                                     Anum_pg_parameter_acl_oid);
    values[Anum_pg_parameter_acl_oid - 1] = ObjectIdGetDatum(parameterId);
    values[Anum_pg_parameter_acl_parname - 1] =
        PointerGetDatum(cstring_to_text(parname));
    nulls[Anum_pg_parameter_acl_paracl - 1] = true;
    tuple = heap_form_tuple(tupDesc, values, nulls);
    CatalogTupleInsert(rel, tuple);
 
    /* Close pg_parameter_acl, but keep lock till commit. */
    heap_freetuple(tuple);
    table_close(rel, NoLock);
 
    return parameterId;
}

References CatalogTupleInsert(), check_GUC_name_for_parameter_acl(), convert_GUC_name_for_parameter_acl(), cstring_to_text(), GetNewOidWithIndex(), heap_form_tuple(), heap_freetuple(), NoLock, ObjectIdGetDatum(), PointerGetDatum(), RelationGetDescr, RowExclusiveLock, table_close(), table_open(), and values.

Referenced by objectNamesToOids().

ParameterAclLookup()

Oid ParameterAclLookup	(	const char *	parameter,
		bool	missing_ok
	)

Definition at line 36 of file pg_parameter_acl.c.

{
    Oid         oid;
    char       *parname;
 
    /* Convert name to the form it should have in pg_parameter_acl... */
    parname = convert_GUC_name_for_parameter_acl(parameter);
 
    /* ... and look it up */
    oid = GetSysCacheOid1(PARAMETERACLNAME, Anum_pg_parameter_acl_oid,
                          PointerGetDatum(cstring_to_text(parname)));
 
    if (!OidIsValid(oid) && !missing_ok)
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("parameter ACL \"%s\" does not exist", parameter)));
 
    pfree(parname);
 
    return oid;
}

References convert_GUC_name_for_parameter_acl(), cstring_to_text(), ereport, errcode(), errmsg(), ERROR, GetSysCacheOid1, OidIsValid, pfree(), and PointerGetDatum().

Referenced by get_object_address_unqualified(), and objectNamesToOids().

Variable Documentation

FormData_pg_parameter_acl

FormData_pg_parameter_acl

Definition at line 41 of file pg_parameter_acl.h.