jkosh44 opened a new pull request, #14489:
URL: https://github.com/apache/datafusion/pull/14489
This commit fixes the following edge cases in the array_slice function so
that it's semantics match DuckDB:
- When begin < 0 and -begin > length, begin is clamped to the beginning of
the list.
- When step < 0 and begin = end, then the result should be a list with the
single element found at index begin/end.
Fixes #10548
## Which issue does this PR close?
Closes #10548.
## Are these changes tested?
Yes
## Are there any user-facing changes?
Yes, the behavior of `array_slice` has changed.
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