cartodb-postgresql/scripts-available/CDB_ColumnNames.sql
2019-05-31 15:37:15 +02:00

17 lines
638 B
PL/PgSQL

-- Function returning the column names of a table
CREATE OR REPLACE FUNCTION @extschema@.CDB_ColumnNames(REGCLASS)
RETURNS SETOF information_schema.sql_identifier
AS $$
SELECT
a.attname::information_schema.sql_identifier column_name
FROM pg_class c
LEFT JOIN pg_attribute a ON a.attrelid = c.oid
WHERE c.oid = $1::oid
AND a.attstattarget < 0 -- exclude system columns
ORDER BY a.attnum;
$$ 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_ColumnNames(REGCLASS) TO PUBLIC;