diff options
Diffstat (limited to 'src/backend/parser/parse_clause.c')
| -rw-r--r-- | src/backend/parser/parse_clause.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c index bae53ebbd87..81f3f88669d 100644 --- a/src/backend/parser/parse_clause.c +++ b/src/backend/parser/parse_clause.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.45 1999/09/18 19:07:12 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.46 1999/10/07 04:23:12 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -60,6 +60,15 @@ makeRangeTable(ParseState *pstate, List *frmList, Node **qual) * setTargetTable * Add the target relation of INSERT or UPDATE to the range table, * and make the special links to it in the ParseState. + * + * Note that the target is not marked as either inFromCl or inJoinSet. + * For INSERT, we don't want the target to be joined to; it's a + * destination of tuples, not a source. For UPDATE/DELETE, we do + * need to scan or join the target. This will happen without the + * inJoinSet flag because the planner's preprocess_targetlist() + * adds the destination's CTID attribute to the targetlist, and + * therefore the destination will be a referenced table even if + * there is no other use of any of its attributes. Tricky, eh? */ void setTargetTable(ParseState *pstate, char *relname) @@ -69,7 +78,8 @@ setTargetTable(ParseState *pstate, char *relname) if ((refnameRangeTablePosn(pstate, relname, &sublevels_up) == 0) || (sublevels_up != 0)) - rte = addRangeTableEntry(pstate, relname, relname, FALSE, FALSE); + rte = addRangeTableEntry(pstate, relname, relname, + FALSE, FALSE, FALSE); else rte = refnameRangeTableEntry(pstate, relname); @@ -230,7 +240,8 @@ transformTableEntry(ParseState *pstate, RangeVar *r) * we expand * to foo.x. */ - rte = addRangeTableEntry(pstate, relname, refname, baserel->inh, TRUE); + rte = addRangeTableEntry(pstate, relname, refname, + baserel->inh, TRUE, TRUE); return refname; } |