On Sun, Apr 3, 2022 at 4:34 PM Thomas Munro <thomas.mu...@gmail.com> wrote: > I probably should have made it clearer in the commit message, > cc58eecc5 doesn't fix this problem in the master branch. It only > fixes the code that incorrectly assumed that datum1 was always > available.
Attached patch fixes the issue, and includes the test case that you posted. There is only a one line change to tuplesort.c. This is arguably the same bug -- abbreviation is just another "haveDatum1 optimization" that needs to be accounted for. -- Peter Geoghegan
v1-0001-Fix-CLUSTER-sort-on-abbreviated-expressions.patch
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