Andres Freund <andres@xxxxxxxxxxx> writes: > On 2019-10-09 10:16:37 -0400, Tom Lane wrote: >> Well, it shows that the failure is occurring while trying to evaluate >> a variable in a trigger's WHEN clause during >> "UPDATE origo_email_delivery SET folder_id=$1, created=$2\nWHERE entity_id IN ($3)\nRETURNING entity_id" >> And I'd bet that the root cause is something to do with Andres' tuple slot >> work. But (at least to my eye) it's not apparent exactly what's wrong. > It looks like this could "just" be another report of #16036, which was > already fixed in: > commit d986d4e87f61c68f52c68ebc274960dc664b7b4e > Author: Andres Freund <andres@xxxxxxxxxxx> > Date: 2019-10-04 11:59:34 -0700 > Fix crash caused by EPQ happening with a before update trigger present. Bingo. I can reproduce the crash (using concurrent updates of the same table row, in the schema Andreas sent off-list) on the predecessor of that commit, but on that commit it's fine. Andreas, that's a pretty simple patch if you're in a position to build from source ... regards, tom lane