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Merge pull request #279 from coreos/searchintro_optimize

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pgsql: Reduce cost of GetNotification by 2.5x
This commit is contained in:
Jimmy Zelinskie 2016-12-04 12:08:50 -05:00 committed by GitHub
commit dab6e492b8
1 changed files with 15 additions and 17 deletions
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30
database/pgsql/queries.go
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@ -211,22 +211,20 @@ const (
WHERE name = $1`
searchNotificationLayerIntroducingVulnerability = `
WITH subquery AS (
SELECT l.ID, l.name
FROM Vulnerability_Affects_FeatureVersion vafv, FeatureVersion fv, Layer_diff_FeatureVersion ldfv, Layer l
WHERE l.id >= $2
AND vafv.vulnerability_id = $1
AND vafv.featureversion_id = fv.id
AND ldfv.featureversion_id = fv.id
AND ldfv.modification = 'add'
AND ldfv.layer_id = l.id
ORDER BY l.ID
)
SELECT *
FROM subquery
LIMIT $3;
`
WITH LDFV AS (
SELECT ldfv.layer_id
FROM Vulnerability_Affects_FeatureVersion vafv, FeatureVersion fv, Layer_diff_FeatureVersion ldfv
WHERE ldfv.layer_id >= $2
AND vafv.vulnerability_id = $1
AND vafv.featureversion_id = fv.id
AND ldfv.featureversion_id = fv.id
AND ldfv.modification = 'add'
ORDER BY ldfv.ID
)
SELECT l.id, l.name
FROM LDFV, Layer l
WHERE LDFV.layer_id = l.id
LIMIT $3`
// complex_test.go
searchComplexTestFeatureVersionAffects = `