test: Add additional contains expression tests #3462
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Add test coverage for null haystack, case sensitivity, and both-columns (array-array) path for the optimized contains implementation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
comphead
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Feb 10, 2026
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are you planning also move it to sql tests?
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maybe .. we have many, many tests to move over to the new approach. I guess we need to figure out a plan.
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Which issue does this PR close?
Follow-up to #2991.
Rationale for this change
The optimized
containsimplementation merged in #2991 had good test coverage but was missing a few edge cases.What changes are included in this PR?
Adds integration tests for:
contains(NULL, 'pattern')) to verify null propagationcontains(name, 'james')vs'James')contains(col1, col2)) exercising the array-array code path, including null in either positionHow are these changes tested?
All new tests use
checkSparkAnswerAndOperatorto verify both correctness against Spark and that Comet's native operator is used.🤖 Generated with Claude Code