cartodb-postgresql/scripts-available/CDB_ColumnType.sql
2015-09-02 12:25:44 +02:00

19 lines
623 B
PL/PgSQL

-- Function returning the type of a column
CREATE OR REPLACE FUNCTION CDB_ColumnType(REGCLASS, TEXT)
RETURNS information_schema.character_data
AS $$
SELECT c.data_type
FROM information_schema.columns c, pg_class _tn, pg_namespace _sn
WHERE table_name = _tn.relname
AND table_schema = _sn.nspname
AND column_name = $2
AND _tn.oid = $1::oid
AND _sn.oid = _tn.relnamespace;
$$ LANGUAGE SQL;
-- This is to migrate from pre-0.2.0 version
-- See http://github.com/CartoDB/cartodb-postgresql/issues/36
GRANT EXECUTE ON FUNCTION CDB_ColumnType(REGCLASS, TEXT) TO public;