[CALCITE-6665] Add isEmpty metadata to check if a relational expressi… - #4099
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ILuffZhe
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ILuffZhe
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Looks good! Thanks for the clarify.
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@caicancai This PR is mainly intended to replace the existing inconsistent methods, and the test cases can already cover the corresponding changes, so there are no new test cases added. |
caicancai
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Dec 20, 2024
…on returns no rows
|
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…on returns no rows