>>>>> "Andrew" == Andrew Gierth <and...@tao11.riddles.org.uk> writes:
Andrew> Going to see if this can be narrowed down further. Simpler testcase, removing the CTE, so this is clearly just about InitPlan: create table mytable (flag boolean default false, foo integer); insert into mytable default values; session B: begin; update mytable set flag = true; session A: update mytable set foo = case when not flag then foo else length((select 'foo')) end; commit in B and watch A die in: #1 0x0000000000b001bd in text_length (str=0) at varlena.c:647 -- Andrew (irc:RhodiumToad)