diff options
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 97 |
1 files changed, 3 insertions, 94 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index 168da20aa23..8e4d5c90cd3 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.265 2007/11/15 21:14:39 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.266 2007/12/01 23:44:44 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -133,7 +133,6 @@ static char *pg_get_constraintdef_worker(Oid constraintId, bool fullCommand, int prettyFlags); static char *pg_get_expr_worker(text *expr, Oid relid, char *relname, int prettyFlags); -static Oid get_constraint_index(Oid constraintId); static void make_ruledef(StringInfo buf, HeapTuple ruletup, TupleDesc rulettc, int prettyFlags); static void make_viewdef(StringInfo buf, HeapTuple ruletup, TupleDesc rulettc, @@ -195,6 +194,7 @@ static char *generate_relation_name(Oid relid); static char *generate_function_name(Oid funcid, int nargs, Oid *argtypes); static char *generate_operator_name(Oid operid, Oid arg1, Oid arg2); static text *string_to_text(char *str); +static char *flatten_reloptions(Oid relid); #define only_marker(rte) ((rte)->inh ? "" : "ONLY ") @@ -1385,68 +1385,6 @@ pg_get_serial_sequence(PG_FUNCTION_ARGS) /* - * get_constraint_index - * Given the OID of a unique or primary-key constraint, return the - * OID of the underlying unique index. - * - * Return InvalidOid if the index couldn't be found; this suggests the - * given OID is bogus, but we leave it to caller to decide what to do. - */ -static Oid -get_constraint_index(Oid constraintId) -{ - Oid indexId = InvalidOid; - Relation depRel; - ScanKeyData key[3]; - SysScanDesc scan; - HeapTuple tup; - - /* Search the dependency table for the dependent index */ - depRel = heap_open(DependRelationId, AccessShareLock); - - ScanKeyInit(&key[0], - Anum_pg_depend_refclassid, - BTEqualStrategyNumber, F_OIDEQ, - ObjectIdGetDatum(ConstraintRelationId)); - ScanKeyInit(&key[1], - Anum_pg_depend_refobjid, - BTEqualStrategyNumber, F_OIDEQ, - ObjectIdGetDatum(constraintId)); - ScanKeyInit(&key[2], - Anum_pg_depend_refobjsubid, - BTEqualStrategyNumber, F_INT4EQ, - Int32GetDatum(0)); - - scan = systable_beginscan(depRel, DependReferenceIndexId, true, - SnapshotNow, 3, key); - - while (HeapTupleIsValid(tup = systable_getnext(scan))) - { - Form_pg_depend deprec = (Form_pg_depend) GETSTRUCT(tup); - - /* - * We assume any internal dependency of an index on the constraint - * must be what we are looking for. (The relkind test is just - * paranoia; there shouldn't be any such dependencies otherwise.) - */ - if (deprec->classid == RelationRelationId && - deprec->objsubid == 0 && - deprec->deptype == DEPENDENCY_INTERNAL && - get_rel_relkind(deprec->objid) == RELKIND_INDEX) - { - indexId = deprec->objid; - break; - } - } - - systable_endscan(scan); - heap_close(depRel, AccessShareLock); - - return indexId; -} - - -/* * deparse_expression - General utility for deparsing expressions * * calls deparse_expression_pretty with all prettyPrinting disabled @@ -5507,7 +5445,7 @@ string_to_text(char *str) /* * Generate a C string representing a relation's reloptions, or NULL if none. */ -char * +static char * flatten_reloptions(Oid relid) { char *result = NULL; @@ -5543,32 +5481,3 @@ flatten_reloptions(Oid relid) return result; } - -/* - * Generate an Array Datum representing a relation's reloptions using - * a C string - */ -Datum -unflatten_reloptions(char *reloptstring) -{ - Datum result = (Datum) 0; - - if (reloptstring) - { - Datum sep, - relopts; - - /* - * We want to use text_to_array(reloptstring, ', ') --- but - * DirectFunctionCall2(text_to_array) does not work, because - * text_to_array() relies on fcinfo to be valid. So use - * OidFunctionCall2. - */ - sep = DirectFunctionCall1(textin, CStringGetDatum(", ")); - relopts = DirectFunctionCall1(textin, CStringGetDatum(reloptstring)); - - result = OidFunctionCall2(F_TEXT_TO_ARRAY, relopts, sep); - } - - return result; -} |