Hi! Something strange happened to me right now. I'm trying to compare results from one query with rewritten version and everything is ok with this order: WITH abc AS (SELECT 1) SELECT 1 except all SELECT 1 but when I'm trying other way around it throws an error: SELECT 1 except all WITH abc AS (SELECT 1) SELECT 1 ERROR: syntax error at or near "WITH" LINE 3: WITH abc AS (SELECT 1) SELECT 1 ^ SQL state: 42601 Character: 21 "PostgreSQL 9.6.9 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16), 64-bit" Is this expected behaviour? It's much harder to optimize queries without this option. -- Sent from: http://www.postgresql-archive.org/PostgreSQL-general-f1843780.html