The following bug has been logged on the website: Bug reference: 6626 Logged by: Will Leinweber Email address: w...@heroku.com PostgreSQL version: 9.1.3 Operating system: ubuntu 10.04 Description:
This was surprising because it worked without the UNION ALL. Casting to text fixes the problem. It seems that this should a column of type unknown. deik3qfhu265n6=> with hello as (select 'hello' as name) , bye as (select 'bye' as name) select * from hello; name ------- hello (1 row) deik3qfhu265n6=> with hello as (select 'hello' as name) deik3qfhu265n6-> , bye as (select 'bye' as name) deik3qfhu265n6-> select * from hello UNION ALL select * from bye; ERROR: failed to find conversion function from unknown to text deik3qfhu265n6=> with hello as (select 'hello'::text as name) deik3qfhu265n6-> , bye as (select 'bye'::text as name) deik3qfhu265n6-> select * from hello UNION ALL select * from bye; name ------- hello bye (2 rows) deik3qfhu265n6=> \x Expanded display is on. deik3qfhu265n6=> select version(); -[ RECORD 1 ]----------------------------------------------------------------------------------------------------------- version | PostgreSQL 9.1.3 on x86_64-unknown-linux-gnu, compiled by gcc-4.4.real (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3, 64-bit -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
