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db: add constraints to avoid multiple records of unique values

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nemunaire 2017-01-29 18:12:21 +01:00 committed by Pierre-Olivier Mercier
parent 4793d0de4e
commit 1a8e7066c3
1 changed files with 5 additions and 0 deletions
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5
libfic/db.go
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@ -128,6 +128,7 @@ CREATE TABLE IF NOT EXISTS exercice_solved(
id_team INTEGER NOT NULL,
time TIMESTAMP NOT NULL,
coefficient FLOAT NOT NULL DEFAULT 1.0,
CONSTRAINT uc_solved UNIQUE (id_exercice,id_team),
FOREIGN KEY(id_exercice) REFERENCES exercices(id_exercice),
FOREIGN KEY(id_team) REFERENCES teams(id_team)
);
@ -150,12 +151,16 @@ CREATE TABLE IF NOT EXISTS team_hints(
id_team INTEGER,
id_hint INTEGER,
time TIMESTAMP NOT NULL,
CONSTRAINT uc_displayed UNIQUE (id_team,id_hint),
FOREIGN KEY(id_hint) REFERENCES exercice_hints(id_hint),
FOREIGN KEY(id_team) REFERENCES teams(id_team)
);
`); err != nil {
return err
}
if _, err := db.Exec("SET FOREIGN_KEY_CHECKS = 1;"); err != nil {
return err
}
return nil
}