diff options
Diffstat (limited to 'src/backend/utils')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 7a9af03c960..bcfa5cb4add 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -30,6 +30,7 @@ #include "catalog/pg_language.h" #include "catalog/pg_namespace.h" #include "catalog/pg_opclass.h" +#include "catalog/pg_opfamily.h" #include "catalog/pg_operator.h" #include "catalog/pg_proc.h" #include "catalog/pg_publication.h" @@ -1273,6 +1274,32 @@ get_opclass_method(Oid opclass) return result; } +/* ---------- OPFAMILY CACHE ---------- */ + +char * +get_opfamily_name(Oid opfid, bool missing_ok) +{ + HeapTuple tup; + char *opfname; + Form_pg_opfamily opfform; + + tup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfid)); + + if (!HeapTupleIsValid(tup)) + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for operator family %u", opfid); + return NULL; + } + + opfform = (Form_pg_opfamily) GETSTRUCT(tup); + opfname = pstrdup(NameStr(opfform->opfname)); + + ReleaseSysCache(tup); + + return opfname; +} + /* ---------- OPERATOR CACHE ---------- */ /* |