Changes between Initial Version and Version 1 of Ticket #34811, comment 2


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Timestamp:
Sep 2, 2023, 9:00:09 PM (15 months ago)
Author:
Simon Charette

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  • Ticket #34811, comment 2

    initial v1  
    1 If that can be of any help, we've observed that MySQL's query planer is can be pretty bad at using composite indexes when `OR` conditions are involved and had to resort to using `UNION` to target them.
     1If that can be of any help, we've observed that MySQL's query planer can be pretty bad at using composite indexes when `OR` conditions are involved and had to resort to using `UNION` to target them.
    22
    33Re-writing your lookup to move the `filling_id=pk` outside of the `OR` should help MySQL at figuring out that the `filing_id` index can be used at least.
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