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Limit likes to one per-user per-building (db constraint)

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This commit is contained in:
Tom Russell 2018-12-11 17:17:41 +00:00
parent 9450f29449
commit da64c153fc
3 changed files with 4 additions and 3 deletions
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3
migrations/004.location-date-size-like.up.sql
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@ -84,6 +84,3 @@ CREATE TABLE IF NOT EXISTS building_user_likes (
); );
CREATE INDEX building_likes_idx ON building_user_likes ( building_id ); CREATE INDEX building_likes_idx ON building_user_likes ( building_id );
CREATE INDEX user_likes_idx ON building_user_likes ( user_id ); CREATE INDEX user_likes_idx ON building_user_likes ( user_id );
-- One like per-building, per-user
-- ALTER TABLE building_user_likes ADD CONSTRAINT building_like_once UNIQUE (building_id, user_id);

2
migrations/005.limit-likes.down.sql Normal file
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@ -0,0 +1,2 @@
-- Don't limit likes
ALTER TABLE building_user_likes DROP CONSTRAINT building_like_once;

2
migrations/005.limit-likes.up.sql Normal file
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@ -0,0 +1,2 @@
-- One like per-building, per-user
ALTER TABLE building_user_likes ADD CONSTRAINT building_like_once UNIQUE (building_id, user_id);