I use domain in my database Ex CREATE DOMAIN ud_id AS bpchar(3) DEFAULT ''::bpchar NOT NULL;
And have table A CREATE TABLE A ( id ud_ma_nt NOT NULL, name ud_name, CONSTRAINT A_pkey PRIMARY KEY (id) ) I have a select query Select * from A where id like 'US%' In pgAdmin i have error : "ERROR: unsupported type: 136452". But if select is : Select * from A where id like 'US%'::ud_id, query work well. So can I use first query in postgre? I don't want to use second query because i don't know columns 's domain but i know it is char(xx). Thank in advance. Sorry for my English. ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match