sql

lib/sql/scripts-available/CDB_ColumnNames.sql

@@ -0,0 +1,16 @@
+-- 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;