[minor]: Fix rank calculation bug when empty order by is seen #8567
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Thanks @comphead for discovering this bug. |
# Conflicts: # datafusion/sql/src/expr/function.rs # datafusion/sqllogictest/test_files/window.slt
comphead
approved these changes
Dec 18, 2023
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Which issue does this PR close?
Closes #.
Rationale for this change
Builds on commits in PR8559 (That PR should be merged first). Fixes bug described in discussion.
What changes are included in this PR?
Current rank function produces wrong results when there is no expression in the order by clause. This PR fixes this bug.
Are these changes tested?
Yes
Are there any user-facing changes?