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36 lines
971 B
36 lines
971 B
-- Add up migration script here
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CREATE OR REPLACE FUNCTION iihf_stats(game_id INT, team_id INT)
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RETURNS TABLE (
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reg_win INT,
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reg_loss INT,
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ot_win INT,
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ot_loss INT,
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tie INT,
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game INT,
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team INT
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) AS $$
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DECLARE
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opponent_team_id INTEGER;
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BEGIN
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IF NOT EXISTS (SELECT * FROM games WHERE games.id=game_id) THEN
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RAISE EXCEPTION 'The game does not exist.';
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END IF;
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IF NOT EXISTS (SELECT * FROM teams WHERE teams.id=team_id) THEN
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RAISE EXCEPTION 'The team does not exist.';
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END IF;
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IF NOT EXISTS (SELECT * FROM games JOIN teams ON teams.id=games.team_home OR teams.id=team_away WHERE games.id=game_id) THEN
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RAISE EXCEPTION 'The team specified did not play this game.';
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END IF;
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RETURN QUERY
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SELECT
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reg_win(game_id, team_id) AS reg_win,
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reg_loss(game_id, team_id) AS reg_loss,
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ot_win(game_id, team_id) AS ot_win,
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ot_loss(game_id, team_id) AS ot_loss,
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tie(game_id, team_id) AS tie,
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game_id AS game,
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team_id AS team;
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END;
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$$ LANGUAGE plpgsql;
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