*
* Copyright (c) 2003-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.34 2006/09/04 21:03:18 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.35 2006/09/04 23:13:01 tgl Exp $
*/
/*
CAST(relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name,
CAST((ss.x).n AS cardinal_number) AS ordinal_position,
- CAST(null AS cardinal_number) AS position_in_unique_constraint -- FIXME
+ (
+ SELECT CAST(a AS cardinal_number)
+ FROM pg_constraint,
+ (SELECT a FROM generate_series(1, array_upper(ss.confkey,1)) a) AS foo
+ WHERE conrelid = ss.confrelid
+ AND conkey[foo.a] = ss.confkey[(ss.x).n]
+ ) AS position_in_unique_constraint
FROM pg_attribute a,
- (SELECT r.oid, nc.nspname AS nc_nspname, c.conname,
- nr.nspname AS nr_nspname, r.relname,
- _pg_expandarray(c.conkey) AS x
+ (SELECT r.oid, r.relname, nc.nspname AS nc_nspname,
+ nr.nspname AS nr_nspname,
+ c.conname, c.confkey, c.confrelid,
+ _pg_expandarray(c.conkey) AS x
FROM pg_namespace nr, pg_class r, pg_namespace nc,
pg_constraint c
WHERE nr.oid = r.relnamespace