diff options
Diffstat (limited to 'src/backend/optimizer/plan/subselect.c')
| -rw-r--r-- | src/backend/optimizer/plan/subselect.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c index 00d84d56823..b80427f041e 100644 --- a/src/backend/optimizer/plan/subselect.c +++ b/src/backend/optimizer/plan/subselect.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/subselect.c,v 1.141 2008/10/04 21:56:53 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/subselect.c,v 1.142 2008/10/21 20:42:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1040,6 +1040,10 @@ convert_ANY_sublink_to_join(PlannerInfo *root, SubLink *sublink, /* * And finally, build the FlattenedSubLink node. + * + * Note: at this point left_varnos may well contain join relids, since + * the testexpr hasn't been run through flatten_join_alias_vars. This + * will get fixed when flatten_join_alias_vars is run. */ fslink = makeNode(FlattenedSubLink); fslink->jointype = JOIN_SEMI; @@ -1189,6 +1193,9 @@ convert_EXISTS_sublink_to_join(PlannerInfo *root, SubLink *sublink, /* * And finally, build the FlattenedSubLink node. + * + * Note: at this point left_varnos and subselect_varnos may well contain + * join relids. This will get fixed when flatten_join_alias_vars is run. */ fslink = makeNode(FlattenedSubLink); fslink->jointype = under_not ? JOIN_ANTI : JOIN_SEMI; |