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pg_namespace.h File Reference

#include "catalog/genbki.h"
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#define NamespaceRelationId   2615
#define Natts_pg_namespace   3
#define Anum_pg_namespace_nspname   1
#define Anum_pg_namespace_nspowner   2
#define Anum_pg_namespace_nspacl   3
#define PG_PUBLIC_NAMESPACE   2200


typedef FormData_pg_namespaceForm_pg_namespace


 CATALOG (pg_namespace, 2615)
 DATA (insert OID=11("pg_catalog"PGUID _null_))
 DESCR ("system catalog schema")
 DESCR ("reserved schema for TOAST tables")
 DESCR ("standard public schema")
Oid NamespaceCreate (const char *nspName, Oid ownerId, bool isTemp)



Define Documentation

#define Anum_pg_namespace_nspacl   3
#define Anum_pg_namespace_nspname   1

Definition at line 59 of file pg_namespace.h.

Referenced by NamespaceCreate().

#define Anum_pg_namespace_nspowner   2

Definition at line 60 of file pg_namespace.h.

Referenced by AlterSchemaOwner_internal(), and NamespaceCreate().

#define NamespaceRelationId   2615
#define Natts_pg_namespace   3

Definition at line 58 of file pg_namespace.h.

#define PG_PUBLIC_NAMESPACE   2200

Definition at line 77 of file pg_namespace.h.


Typedef Documentation

Definition at line 51 of file pg_namespace.h.

Function Documentation

CATALOG ( pg_namespace  ,

Definition at line 36 of file pg_namespace.h.

    NameData    nspname;
    Oid         nspowner;

#ifdef CATALOG_VARLEN           /* variable-length fields start here */
    aclitem     nspacl[1];
} FormData_pg_namespace;

DATA ( insert  OID = 11("pg_catalog"PGUID _null_)  ) 
DESCR ( "standard public schema"   ) 
DESCR ( "reserved schema for TOAST tables"   ) 
DESCR ( "system catalog schema"   ) 
Oid NamespaceCreate ( const char *  nspName,
Oid  ownerId,
bool  isTemp 

Definition at line 41 of file pg_namespace.c.

References Anum_pg_namespace_nspacl, Anum_pg_namespace_nspname, Anum_pg_namespace_nspowner, Assert, CatalogUpdateIndexes(), ObjectAddress::classId, elog, ereport, errcode(), errmsg(), ERROR, heap_close, heap_form_tuple(), heap_open(), i, InvokeObjectPostCreateHook, NameGetDatum, NAMESPACENAME, NamespaceRelationId, namestrcpy(), NULL, ObjectAddress::objectId, ObjectIdGetDatum, ObjectAddress::objectSubId, OidIsValid, PointerGetDatum, RelationData::rd_att, recordDependencyOnCurrentExtension(), recordDependencyOnOwner(), RowExclusiveLock, SearchSysCacheExists1, simple_heap_insert(), and values.

Referenced by CreateSchemaCommand(), and InitTempTableNamespace().

    Relation    nspdesc;
    HeapTuple   tup;
    Oid         nspoid;
    bool        nulls[Natts_pg_namespace];
    Datum       values[Natts_pg_namespace];
    NameData    nname;
    TupleDesc   tupDesc;
    ObjectAddress myself;
    int         i;

    /* sanity checks */
    if (!nspName)
        elog(ERROR, "no namespace name supplied");

    /* make sure there is no existing namespace of same name */
    if (SearchSysCacheExists1(NAMESPACENAME, PointerGetDatum(nspName)))
                 errmsg("schema \"%s\" already exists", nspName)));

    /* initialize nulls and values */
    for (i = 0; i < Natts_pg_namespace; i++)
        nulls[i] = false;
        values[i] = (Datum) NULL;
    namestrcpy(&nname, nspName);
    values[Anum_pg_namespace_nspname - 1] = NameGetDatum(&nname);
    values[Anum_pg_namespace_nspowner - 1] = ObjectIdGetDatum(ownerId);
    nulls[Anum_pg_namespace_nspacl - 1] = true;

    nspdesc = heap_open(NamespaceRelationId, RowExclusiveLock);
    tupDesc = nspdesc->rd_att;

    tup = heap_form_tuple(tupDesc, values, nulls);

    nspoid = simple_heap_insert(nspdesc, tup);

    CatalogUpdateIndexes(nspdesc, tup);

    heap_close(nspdesc, RowExclusiveLock);

    /* Record dependencies */
    myself.classId = NamespaceRelationId;
    myself.objectId = nspoid;
    myself.objectSubId = 0;

    /* dependency on owner */
    recordDependencyOnOwner(NamespaceRelationId, nspoid, ownerId);

    /* dependency on extension ... but not for magic temp schemas */
    if (!isTemp)
        recordDependencyOnCurrentExtension(&myself, false);

    /* Post creation hook for new schema */
    InvokeObjectPostCreateHook(NamespaceRelationId, nspoid, 0);

    return nspoid;

Variable Documentation

Definition at line 44 of file pg_namespace.h.