diff options
Diffstat (limited to 'src/backend/executor/spi.c')
| -rw-r--r-- | src/backend/executor/spi.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/backend/executor/spi.c b/src/backend/executor/spi.c index 443ee57e682..302109f24f2 100644 --- a/src/backend/executor/spi.c +++ b/src/backend/executor/spi.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.197 2008/07/18 20:26:06 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.198 2008/09/15 23:37:39 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1368,6 +1368,36 @@ SPI_is_cursor_plan(SPIPlanPtr plan) } /* + * SPI_plan_is_valid --- test whether a SPI plan is currently valid + * (that is, not marked as being in need of revalidation). + * + * See notes for CachedPlanIsValid before using this. + */ +bool +SPI_plan_is_valid(SPIPlanPtr plan) +{ + Assert(plan->magic == _SPI_PLAN_MAGIC); + if (plan->saved) + { + ListCell *lc; + + foreach(lc, plan->plancache_list) + { + CachedPlanSource *plansource = (CachedPlanSource *) lfirst(lc); + + if (!CachedPlanIsValid(plansource)) + return false; + } + return true; + } + else + { + /* An unsaved plan is assumed valid for its (short) lifetime */ + return true; + } +} + +/* * SPI_result_code_string --- convert any SPI return code to a string * * This is often useful in error messages. Most callers will probably |