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20 lines
467 B
20 lines
467 B
CREATE FUNCTION reg_loss(game_id INT, team_id INT)
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RETURNS INTEGER
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AS $$
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DECLARE
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opponent_team_id INTEGER;
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BEGIN
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SELECT
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teams.id
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INTO
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opponent_team_id
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FROM games
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JOIN teams
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ON (teams.id=games.team_home
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OR teams.id=games.team_away)
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WHERE games.id=game_id
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AND teams.id!=team_id;
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RETURN (SELECT (CASE WHEN goals(game_id, team_id) < goals(game_id, opponent_team_id) AND periods(game_id) <= 3 THEN 1 ELSE 0 END));
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END;
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$$ LANGUAGE plpgsql;
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