cartodb-postgresql/scripts-available/CDB_TableIndexes.sql
2020-11-23 17:04:49 +01:00

28 lines
985 B
PL/PgSQL

-- Function returning indexes for a table
CREATE OR REPLACE FUNCTION @extschema@.CDB_TableIndexes(REGCLASS)
RETURNS TABLE(index_name name, index_unique bool, index_primary bool, index_keys text array)
AS $$
SELECT pg_class.relname as index_name,
idx.indisunique as index_unique,
idx.indisprimary as index_primary,
ARRAY(
SELECT pg_get_indexdef(idx.indexrelid, k + 1, true)
FROM generate_subscripts(idx.indkey, 1) as k
ORDER BY k
) as index_keys
FROM pg_indexes,
pg_index as idx
JOIN pg_class
ON pg_class.oid = idx.indexrelid
WHERE pg_indexes.tablename = '' || $1 || ''
AND '' || $1 || '' IN (SELECT @extschema@.CDB_UserTables())
AND pg_class.relname=pg_indexes.indexname
;
$$ LANGUAGE SQL STABLE PARALLEL SAFE;
-- This is to migrate from pre-0.2.0 version
-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
GRANT EXECUTE ON FUNCTION @extschema@.CDB_TableIndexes(REGCLASS) TO public;