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Avoid executing no-op queries. #16583
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erikjohnston
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Nov 1, 2023
erikjohnston
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Nov 3, 2023
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I'm not 100% convinced of these changes, I want to add some tests. |
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Once #16596 is merged, I'll add tests for these changes to ensure nothing is breaking. |
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I added some additional tests (based on #16596) and some more comments. 👍 |
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Return early for
simple_insert_many_txn,simple_upsert_many_txn, andsimple_update_many_txnif the iterable to update is empty.Note that we already do this for
simple_select_many_txnandsimple_delete_many_txn.This avoids hitting the database with a no-op query, the downside is that we can't pass generators into this function.