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pg_class has a relnamespace column. You can create and access tables

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in schemas other than the system namespace; however, there's no search
path yet, and not all operations work yet on tables outside the system
namespace.
This commit is contained in:
Tom Lane
2002-03-26 19:17:02 +00:00
parent da631e931f
commit 1dbf8aa7a8
54 changed files with 1070 additions and 816 deletions
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33
src/backend/parser/analyze.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.222 2002/03/22 02:56:33 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.223 2002/03/26 19:15:56 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -17,6 +17,7 @@
#include "catalog/catname.h"
#include "catalog/heap.h"
#include "catalog/index.h"
#include "catalog/namespace.h"
#include "catalog/pg_index.h"
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
@ -118,7 +119,7 @@ static void transformConstraintAttrs(List *constraintList);
static void transformColumnType(ParseState *pstate, ColumnDef *column);
static void transformFkeyCheckAttrs(FkConstraint *fkconstraint, Oid *pktypoid);
static void transformFkeyGetPrimaryKey(FkConstraint *fkconstraint, Oid *pktypoid);
static bool relationHasPrimaryKey(char *relname);
static bool relationHasPrimaryKey(Oid relationOid);
static Oid transformFkeyGetColType(CreateStmtContext *cxt, char *colname);
static void release_pstate_resources(ParseState *pstate);
static FromExpr *makeFromExpr(List *fromlist, Node *quals);
@ -1048,7 +1049,7 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
/* In ALTER TABLE case, a primary index might already exist */
if (cxt->pkey != NULL ||
(OidIsValid(cxt->relOid) &&
relationHasPrimaryKey((cxt->relation)->relname)))
relationHasPrimaryKey(cxt->relOid)))
elog(ERROR, "%s / PRIMARY KEY multiple primary keys"
" for table '%s' are not allowed",
cxt->stmtType, (cxt->relation)->relname);
@ -1115,10 +1116,10 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
int count;
Assert(IsA(inh, RangeVar));
rel = heap_openr(inh->relname, AccessShareLock);
rel = heap_openrv(inh, AccessShareLock);
if (rel->rd_rel->relkind != RELKIND_RELATION)
elog(ERROR, "inherited table \"%s\" is not a relation",
strVal(inh));
inh->relname);
for (count = 0; count < rel->rd_att->natts; count++)
{
Form_pg_attribute inhattr = rel->rd_att->attrs[count];
@ -1724,7 +1725,7 @@ transformRuleStmt(ParseState *pstate, RuleStmt *stmt,
* beforehand. We don't need to hold a refcount on the relcache
* entry, however.
*/
heap_close(heap_openr(stmt->relation->relname, AccessExclusiveLock),
heap_close(heap_openrv(stmt->relation, AccessExclusiveLock),
NoLock);
/*
@ -2562,9 +2563,7 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt,
cxt.relation = stmt->relation;
cxt.inhRelations = NIL;
cxt.relation->istemp = is_temp_rel_name(stmt->relation->relname);
cxt.relOid = GetSysCacheOid(RELNAME,
PointerGetDatum((stmt->relation)->relname),
0, 0, 0);
cxt.relOid = RangeVarGetRelid(stmt->relation, false);
cxt.hasoids = SearchSysCacheExists(ATTNUM,
ObjectIdGetDatum(cxt.relOid),
Int16GetDatum(ObjectIdAttributeNumber),
@ -2594,9 +2593,7 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt,
cxt.relation = stmt->relation;
cxt.inhRelations = NIL;
cxt.relation->istemp = is_temp_rel_name(stmt->relation->relname);
cxt.relOid = GetSysCacheOid(RELNAME,
PointerGetDatum((stmt->relation)->relname),
0, 0, 0);
cxt.relOid = RangeVarGetRelid(stmt->relation, false);
cxt.hasoids = SearchSysCacheExists(ATTNUM,
ObjectIdGetDatum(cxt.relOid),
Int16GetDatum(ObjectIdAttributeNumber),
@ -2844,7 +2841,7 @@ transformFkeyCheckAttrs(FkConstraint *fkconstraint, Oid *pktypoid)
/*
* Open the referenced table
*/
pkrel = heap_openr(fkconstraint->pktable->relname, AccessShareLock);
pkrel = heap_openrv(fkconstraint->pktable, AccessShareLock);
if (pkrel->rd_rel->relkind != RELKIND_RELATION)
elog(ERROR, "Referenced relation \"%s\" is not a table",
@ -2937,7 +2934,7 @@ transformFkeyGetPrimaryKey(FkConstraint *fkconstraint, Oid *pktypoid)
/*
* Open the referenced table
*/
pkrel = heap_openr(fkconstraint->pktable->relname, AccessShareLock);
pkrel = heap_openrv(fkconstraint->pktable, AccessShareLock);
if (pkrel->rd_rel->relkind != RELKIND_RELATION)
elog(ERROR, "Referenced relation \"%s\" is not a table",
@ -3002,14 +2999,14 @@ transformFkeyGetPrimaryKey(FkConstraint *fkconstraint, Oid *pktypoid)
* See whether an existing relation has a primary key.
*/
static bool
relationHasPrimaryKey(char *relname)
relationHasPrimaryKey(Oid relationOid)
{
bool result = false;
Relation rel;
List *indexoidlist,
*indexoidscan;
rel = heap_openr(relname, AccessShareLock);
rel = heap_open(relationOid, AccessShareLock);
/*
* Get the list of index OIDs for the table from the relcache, and
@ -3084,10 +3081,10 @@ transformFkeyGetColType(CreateStmtContext *cxt, char *colname)
int count;
Assert(IsA(inh, RangeVar));
rel = heap_openr(inh->relname, AccessShareLock);
rel = heap_openrv(inh, AccessShareLock);
if (rel->rd_rel->relkind != RELKIND_RELATION)
elog(ERROR, "inherited table \"%s\" is not a relation",
strVal(inh));
inh->relname);
for (count = 0; count < rel->rd_att->natts; count++)
{
char *name = NameStr(rel->rd_att->attrs[count]->attname);