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| author | Christopher Baines <mail@cbaines.net> | 2022-11-12 10:40:43 +0000 |
|---|---|---|
| committer | Christopher Baines <mail@cbaines.net> | 2022-11-12 10:40:43 +0000 |
| commit | fb9d99a076ac3b4211f6dd96e125ee8d5d1477ef (patch) | |
| tree | f9f4520b726039235e11adfb2a696507616d680a /sqitch/deploy | |
| parent | 48d8ee885a6ca32a0984c429f085993e0669c8fb (diff) | |
| download | data-service-fb9d99a076ac3b4211f6dd96e125ee8d5d1477ef.tar data-service-fb9d99a076ac3b4211f6dd96e125ee8d5d1477ef.tar.gz | |
Add extended statistics on package_derivations
This helps row count estimates when filtering on system_id and target.
Diffstat (limited to 'sqitch/deploy')
| -rw-r--r-- | sqitch/deploy/package_derivations_extended_statistics.sql | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sqitch/deploy/package_derivations_extended_statistics.sql b/sqitch/deploy/package_derivations_extended_statistics.sql new file mode 100644 index 0000000..f1aeaaf --- /dev/null +++ b/sqitch/deploy/package_derivations_extended_statistics.sql @@ -0,0 +1,9 @@ +-- Deploy guix-data-service:package_derivations_extended_statistics to pg + +BEGIN; + +CREATE STATISTICS package_derivations_mcv (mcv) ON system_id, target FROM package_derivations; + +CREATE STATISTICS package_derivations_ndistinct (ndistinct) ON system_id, target FROM package_derivations; + +COMMIT; |