diff options
| author | Peter Eisentraut | 2025-01-24 21:58:13 +0000 |
|---|---|---|
| committer | Peter Eisentraut | 2025-02-01 09:42:58 +0000 |
| commit | 43493cceda2fb75e07a63cec46000407661d505d (patch) | |
| tree | 0c8c0f8d1a109ccd7fb7b4ec45ced857e379f0fe /src/backend/utils/cache | |
| parent | a5709b5bb293a554913c4b1f6a9c58d1915ba3f7 (diff) | |
Add get_opfamily_name() function
This refactors and simplifies various existing code to make use of the
new function.
Reviewed-by: Mark Dilger <mark.dilger@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/E72EAA49-354D-4C2E-8EB9-255197F55330@enterprisedb.com
Diffstat (limited to 'src/backend/utils/cache')
| -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 ---------- */ /* |