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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-04 23:50:30 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-04 23:50:30 +0000 |
| commit | 58d6316d508501a99951aa98d99f484411559a5e (patch) | |
| tree | ad74f688245afbe16ff1631bccbc9995852ed588 | |
| parent | 8959e9b9d303f01ba4a926334650f35d548de4d4 (diff) | |
| download | postgresql-58d6316d508501a99951aa98d99f484411559a5e.tar.gz postgresql-58d6316d508501a99951aa98d99f484411559a5e.zip | |
Improve description of constraint_exclusion variable.
| -rw-r--r-- | src/backend/utils/misc/guc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index eb087e67fe7..79e162efc02 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -10,7 +10,7 @@ * Written by Peter Eisentraut <peter_e@gmx.net>. * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.298 2005/11/04 22:18:26 petere Exp $ + * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.299 2005/11/04 23:50:30 tgl Exp $ * *-------------------------------------------------------------------- */ @@ -464,9 +464,9 @@ static struct config_bool ConfigureNamesBool[] = }, { {"constraint_exclusion", PGC_USERSET, QUERY_TUNING_OTHER, - gettext_noop("Enables the planner to use constraints to limit table access."), - gettext_noop("This prevents table access if the table constraints " - "guarantee that table access is not necessary.") + gettext_noop("Enables the planner to use constraints to optimize queries."), + gettext_noop("Child table scans will be skipped if their " + "constraints guarantee that no rows match the query.") }, &constraint_exclusion, false, NULL, NULL |