diff options
Diffstat (limited to 'src/backend/optimizer/plan/planmain.c')
| -rw-r--r-- | src/backend/optimizer/plan/planmain.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/backend/optimizer/plan/planmain.c b/src/backend/optimizer/plan/planmain.c index 8883310f66d..4f0ede34520 100644 --- a/src/backend/optimizer/plan/planmain.c +++ b/src/backend/optimizer/plan/planmain.c @@ -14,7 +14,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.76 2003/07/25 00:01:07 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.77 2003/08/04 00:43:20 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -33,7 +33,7 @@ * which may involve joins but not any fancier features. * * Since query_planner does not handle the toplevel processing (grouping, - * sorting, etc) it cannot select the best path by itself. It selects + * sorting, etc) it cannot select the best path by itself. It selects * two paths: the cheapest path that produces all the required tuples, * independent of any ordering considerations, and the cheapest path that * produces the expected fraction of the required tuples in the required @@ -84,7 +84,7 @@ query_planner(Query *root, List *tlist, double tuple_fraction, if (root->jointree->fromlist == NIL) { *cheapest_path = (Path *) create_result_path(NULL, NULL, - (List *) root->jointree->quals); + (List *) root->jointree->quals); *sorted_path = NULL; return; } @@ -125,9 +125,9 @@ query_planner(Query *root, List *tlist, double tuple_fraction, * relations. We also build lists of equijoined keys for pathkey * construction. * - * Note: all subplan nodes will have "flat" (var-only) tlists. - * This implies that all expression evaluations are done at the root of - * the plan tree. Once upon a time there was code to try to push + * Note: all subplan nodes will have "flat" (var-only) tlists. This + * implies that all expression evaluations are done at the root of the + * plan tree. Once upon a time there was code to try to push * expensive function calls down to lower plan nodes, but that's dead * code and has been for a long time... */ @@ -223,7 +223,8 @@ query_planner(Query *root, List *tlist, double tuple_fraction, } /* - * If we have constant quals, add a toplevel Result step to process them. + * If we have constant quals, add a toplevel Result step to process + * them. */ if (constant_quals) { |