diff options
Diffstat (limited to 'src/backend/parser/parse_relation.c')
| -rw-r--r-- | src/backend/parser/parse_relation.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/backend/parser/parse_relation.c b/src/backend/parser/parse_relation.c index 870911c062a..14ddd34b76a 100644 --- a/src/backend/parser/parse_relation.c +++ b/src/backend/parser/parse_relation.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/parser/parse_relation.c,v 1.137 2008/10/06 02:12:56 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/parser/parse_relation.c,v 1.138 2008/10/06 15:15:22 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -371,15 +371,23 @@ GetRTEByRangeTablePosn(ParseState *pstate, /* * Fetch the CTE for a CTE-reference RTE. + * + * rtelevelsup is the number of query levels above the given pstate that the + * RTE came from. Callers that don't have this information readily available + * may pass -1 instead. */ CommonTableExpr * -GetCTEForRTE(ParseState *pstate, RangeTblEntry *rte) +GetCTEForRTE(ParseState *pstate, RangeTblEntry *rte, int rtelevelsup) { Index levelsup; ListCell *lc; + /* Determine RTE's levelsup if caller didn't know it */ + if (rtelevelsup < 0) + (void) RTERangeTablePosn(pstate, rte, &rtelevelsup); + Assert(rte->rtekind == RTE_CTE); - levelsup = rte->ctelevelsup; + levelsup = rte->ctelevelsup + rtelevelsup; while (levelsup-- > 0) { pstate = pstate->parentParseState; |