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Enhance performance of the stored procedure Pttcd.RefreshFindACourseIndex in Course Directory database #2536

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merged 3 commits into from
Jun 25, 2024
Merged

Enhance performance of the stored procedure Pttcd.RefreshFindACourseIndex in Course Directory database #2536

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f8af707
Create index on LearnAimRef column of Pttcd.Courses table.
mimran-DFE May 3, 2024
6070974
Remove left join with Pttcd.FindACourseIndexCampaignCodes table in Pt…
mimran-DFE May 3, 2024
d02b75a
Remove index on LearnAimRef column of Pttcd.Courses table.
mimran-DFE May 16, 2024
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6 changes: 2 additions & 4 deletions src/Dfc.CourseDirectory.Database/Pttcd/StoredProcedures/RefreshFindACourseIndex.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ BEGIN
END AS float) AS ScoreBoost,

v.VenueId,
cc.CampaignCodesJson CampaignCodes,
NULL AS CampaignCodes,
c.DataIsHtmlEncoded CourseDataIsHtmlEncoded,
cr.DataIsHtmlEncoded CourseRunDataIsHtmlEncoded,
c.CourseType,
Expand All @@ -66,7 +66,6 @@ BEGIN
INNER JOIN Pttcd.Providers p ON c.ProviderUkprn = p.Ukprn
INNER JOIN LARS.LearningDelivery ld ON c.LearnAimRef = ld.LearnAimRef
LEFT JOIN Pttcd.Venues v ON cr.VenueId = v.VenueId
LEFT JOIN Pttcd.FindACourseIndexCampaignCodes cc ON p.ProviderId = cc.ProviderId AND c.LearnAimRef = cc.LearnAimRef
WHERE cr.CourseRunStatus = 1 -- Live
UNION ALL
SELECT
Expand Down Expand Up @@ -115,7 +114,7 @@ BEGIN
END AS float) AS ScoreBoost,

v.VenueId,
cc.CampaignCodesJson CampaignCodes,
NULL AS CampaignCodes,
c.DataIsHtmlEncoded CourseDataIsHtmlEncoded,
cr.DataIsHtmlEncoded CourseRunDataIsHtmlEncoded,
c.CourseType,
Expand All @@ -129,7 +128,6 @@ BEGIN
LEFT JOIN Pttcd.Regions r ON crr.RegionId = r.RegionId
INNER JOIN Pttcd.Providers p ON c.ProviderUkprn = p.Ukprn AND p.ProviderType IN (2,3,6,7)
LEFT JOIN Pttcd.Venues v ON cr.VenueId = v.VenueId
LEFT JOIN Pttcd.FindACourseIndexCampaignCodes cc ON p.ProviderId = cc.ProviderId AND c.LearnAimRef = cc.LearnAimRef
WHERE cr.CourseRunStatus = 1 -- Live

)
Expand Down