10a9482a91
Queries filtering on date fields are slow as they have to parse each row. There are sometimes millions of rows to parse while only a few thousands are necessary. The following patch narrows data to process by filtering more on frame_model.begin as a firtst step using a `BETWEEN` statement instead of >= Change-Id: I8acbc8946d9e001419f7bf5064fcebe0a0ae907a Depends-On: Ia6908d13c91a02c47863ae6ac4b595ac98f9fd91
11 lines
483 B
YAML
11 lines
483 B
YAML
---
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features:
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- |
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Queries filtering on date fields are slow as they have to parse each row.
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There are sometimes millions of rows to parse while only a few thousands
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are necessary.
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The following patch narrows data to process by filtering more on
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frame_model.begin as a firtst step using a `BETWEEN` statement instead
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of >=
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The BETWEEN statement requires an indexes to be efficient which are
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https://review.opendev.org/c/openstack/cloudkitty/+/865435/ |