diff options
Diffstat (limited to 'src/backend/utils/adt/tid.c')
| -rw-r--r-- | src/backend/utils/adt/tid.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/backend/utils/adt/tid.c b/src/backend/utils/adt/tid.c index d90c20adf98..49400082234 100644 --- a/src/backend/utils/adt/tid.c +++ b/src/backend/utils/adt/tid.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.35 2002/08/29 00:17:05 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.36 2002/09/04 20:31:29 momjian Exp $ * * NOTES * input routine largely stolen from boxin(). @@ -154,14 +154,16 @@ setLastTid(const ItemPointer tid) * correspond to the CTID of a base relation. */ static Datum -currtid_for_view(Relation viewrel, ItemPointer tid) +currtid_for_view(Relation viewrel, ItemPointer tid) { TupleDesc att = RelationGetDescr(viewrel); - RuleLock *rulelock; - RewriteRule *rewrite; - int i, natts = att->natts, tididx = -1; + RuleLock *rulelock; + RewriteRule *rewrite; + int i, + natts = att->natts, + tididx = -1; - for (i = 0; i < natts ; i++) + for (i = 0; i < natts; i++) { if (strcasecmp(NameStr(att->attrs[i]->attname), "ctid") == 0) { @@ -179,7 +181,7 @@ currtid_for_view(Relation viewrel, ItemPointer tid) rewrite = rulelock->rules[i]; if (rewrite->event == CMD_SELECT) { - Query *query; + Query *query; TargetEntry *tle; if (length(rewrite->actions) != 1) @@ -188,8 +190,9 @@ currtid_for_view(Relation viewrel, ItemPointer tid) tle = (TargetEntry *) nth(tididx, query->targetList); if (tle && tle->expr && nodeTag(tle->expr) == T_Var) { - Var *var = (Var *) tle->expr; + Var *var = (Var *) tle->expr; RangeTblEntry *rte; + if (var->varno > 0 && var->varno < INNER && var->varattno == SelfItemPointerAttributeNumber) { rte = (RangeTblEntry *) nth(var->varno - 1, query->rtable); @@ -244,7 +247,7 @@ currtid_byrelname(PG_FUNCTION_ARGS) Relation rel; relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname, - "currtid_byrelname")); + "currtid_byrelname")); rel = heap_openrv(relrv, AccessShareLock); if (rel->rd_rel->relkind == RELKIND_VIEW) return currtid_for_view(rel, tid); |