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Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index e88c45d268a..59e6bcd856c 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -908,6 +908,22 @@ get_collation_name(Oid colloid) return NULL; } +bool +get_collation_isdeterministic(Oid colloid) +{ + HeapTuple tp; + Form_pg_collation colltup; + bool result; + + tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(colloid)); + if (!HeapTupleIsValid(tp)) + elog(ERROR, "cache lookup failed for collation %u", colloid); + colltup = (Form_pg_collation) GETSTRUCT(tp); + result = colltup->collisdeterministic; + ReleaseSysCache(tp); + return result; +} + /* ---------- CONSTRAINT CACHE ---------- */ /* |