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14 changes: 7 additions & 7 deletions server/prisma/sql/recommend.sql
Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,12 @@ SELECT
)
) FROM "Slot" WHERE "Slot"."courseId" = c.id)
)
) AS "courses",
) FILTER (WHERE c.id IS NOT NULL) AS "courses",
json_agg(DISTINCT jsonb_build_object(
'id', s.id,
'name', s.name,
'group', s.group
)) AS "interestSubjects",
)) FILTER (WHERE s.id IS NOT NULL) AS "interestSubjects",
-- course overlap
(SELECT COUNT(1) FROM "Course" course
WHERE EXISTS (SELECT 1 FROM "Enrollment" e WHERE e."courseId" = course.id AND e."userId" = recv.id)
Expand All @@ -40,11 +40,11 @@ SELECT
) AS overlap
FROM "User" recv

INNER JOIN "Enrollment" ON "Enrollment"."userId" = recv.id
INNER JOIN "Course" c on c.id = "Enrollment"."courseId"
INNER JOIN "Slot" ON "Slot"."courseId" = c.id
INNER JOIN "Interest" ON "Interest"."userId" = recv.id
INNER JOIN "InterestSubject" s ON s.id = "Interest"."subjectId"
LEFT JOIN "Enrollment" ON "Enrollment"."userId" = recv.id
LEFT JOIN "Course" c on c.id = "Enrollment"."courseId"
LEFT JOIN "Slot" ON "Slot"."courseId" = c.id
LEFT JOIN "Interest" ON "Interest"."userId" = recv.id
LEFT JOIN "InterestSubject" s ON s.id = "Interest"."subjectId"

WHERE recv.id <> $1

Expand Down