Bertrand Mamasam <golgote@xxxxxxxxx> writes: > Ok thank you, here is a short version of the query that works before 16.5 > but not in 16.5+ anymore. Thanks for the test case! A quick "git bisect" says I broke it at cb8e50a4a09fe541e32cd54ea90a97f2924121a1 is the first bad commit commit cb8e50a4a09fe541e32cd54ea90a97f2924121a1 Author: Tom Lane <tgl@xxxxxxxxxxxxx> Date: Fri Aug 30 12:42:12 2024 -0400 Avoid inserting PlaceHolderVars in cases where pre-v16 PG did not. Apparently that change was less safe than I thought. Looking ... regards, tom lane