update database

initdb.d/01-function.sql

@@ -24,3 +24,8 @@ CREATE OR REPLACE FUNCTION identity (JSONB) RETURNS JSONB AS
 $func$
 SELECT $1;
 $func$ LANGUAGE SQL IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION identity (TEXT) RETURNS TEXT AS
+$func$
+SELECT $1;
+$func$ LANGUAGE SQL IMMUTABLE;