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A little further progress on schemas: push down RangeVars into

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addRangeTableEntry calls.  Remove relname field from RTEs, since
it will no longer be a useful unique identifier of relations;
we want to encourage people to rely on the relation OID instead.
Further work on dumping qual expressions in EXPLAIN, too.
This commit is contained in:
Tom Lane
2002-03-22 02:56:37 +00:00
parent 56c9b73c1d
commit 108a0ec87d
33 changed files with 496 additions and 312 deletions
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11
src/backend/parser/parse_clause.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.85 2002/03/21 16:00:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.86 2002/03/22 02:56:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -116,7 +116,7 @@ transformFromClause(ParseState *pstate, List *frmList)
* Returns the rangetable index of the target relation.
*/
int
setTargetTable(ParseState *pstate, char *relname,
setTargetTable(ParseState *pstate, RangeVar *relation,
bool inh, bool alsoSource)
{
RangeTblEntry *rte;
@ -133,12 +133,12 @@ setTargetTable(ParseState *pstate, char *relname,
* analyze.c will eventually do the corresponding heap_close(), but *not*
* release the lock.
*/
pstate->p_target_relation = heap_openr(relname, RowExclusiveLock);
pstate->p_target_relation = heap_openr(relation->relname, RowExclusiveLock);
/*
* Now build an RTE.
*/
rte = addRangeTableEntry(pstate, relname, NULL, inh, false);
rte = addRangeTableEntry(pstate, relation, NULL, inh, false);
pstate->p_target_rangetblentry = rte;
/* assume new rte is at end */
@ -364,7 +364,6 @@ transformJoinOnClause(ParseState *pstate, JoinExpr *j,
static RangeTblRef *
transformTableEntry(ParseState *pstate, RangeVar *r)
{
char *relname = r->relname;
RangeTblEntry *rte;
RangeTblRef *rtr;
@ -375,7 +374,7 @@ transformTableEntry(ParseState *pstate, RangeVar *r)
* automatically generate the range variable if not specified. However
* there are times we need to know whether the entries are legitimate.
*/
rte = addRangeTableEntry(pstate, relname, r->alias,
rte = addRangeTableEntry(pstate, r, r->alias,
interpretInhOption(r->inhOpt), true);
/*