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feat(query): enable empty projection #9675

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Merged
merged 24 commits into from
Jan 20, 2023

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sundy-li
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I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/

Summary

Summary about this PR

  1. If there is empty projection, we just return an empty block with num_rows.
  2. Reduce extra stats clone in pruning_blocks

Closes #issue

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@mergify mergify bot added the pr-feature this PR introduces a new feature to the codebase label Jan 19, 2023
@RinChanNOWWW
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I'm curious about why results of some explain tests changed.

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@mergify mergify bot merged commit 95a30cc into databendlabs:main Jan 20, 2023
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3 participants