On Tue, Jan 29, 2019 at 2:50 AM Arne Roland <A.Roland@xxxxxxxx> wrote: > does anybody have any idea what goes wrong here? Is there some additional information that could be helpful? Hi Arne, This seems to be a bug; that error should not be reached. I wonder if it is a different manifestation of the bug reported as #15585 (ie some type of rare corruption). Are you able to reproduce this consistently? Can you please show the query plan? -- Thomas Munro http://www.enterprisedb.com