Copy cartodb lib/sql scripts from CDB_CartodbfyTable branch

scripts-available/CDB_ColumnType.sql

@@ -0,0 +1,17 @@
+-- Function returning the type of a column
+CREATE OR REPLACE FUNCTION CDB_ColumnType(REGCLASS, TEXT)
+RETURNS information_schema.character_data
+AS $$
+
+    SELECT data_type 
+      FROM information_schema.columns 
+      WHERE
+        table_name IN (SELECT CDB_UserTables())
+        AND table_name = '' || $1 || ''
+        AND column_name = '' || quote_ident($2) || '';
+         
+$$ LANGUAGE SQL;
+
+-- This is a private function, so only the db owner need privileges
+REVOKE ALL ON FUNCTION CDB_ColumnType(REGCLASS, TEXT) FROM PUBLIC;
+GRANT EXECUTE ON FUNCTION CDB_ColumnType(REGCLASS, TEXT) TO ":DATABASE_USERNAME";