46 lines
1.1 KiB
SQL
46 lines
1.1 KiB
SQL
CREATE TYPE wenglin_t AS
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(
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rating float8,
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uncertainty float8
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);
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CREATE TABLE players
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(
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id INTEGER GENERATED ALWAYS AS IDENTITY,
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wenglin wenglin_t NOT NULL DEFAULT ROW (25.0, 25.0 / 3),
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telegram_id BIGINT,
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CONSTRAINT telegram_ids_are_unique UNIQUE (telegram_id),
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PRIMARY KEY (id)
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);
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CREATE TYPE outcome_t AS ENUM (
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'AWins',
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'BWins',
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'Tie'
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);
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CREATE TABLE matches
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(
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id INTEGER GENERATED ALWAYS AS IDENTITY,
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instant timestamptz NOT NULL DEFAULT NOW(),
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name VARCHAR,
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player_a_id BIGINT NOT NULL,
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player_a_wenglin_before wenglin_t NOT NULL,
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player_a_wenglin_after wenglin_t NOT NULL,
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player_b_id BIGINT NOT NULL,
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player_b_wenglin_before wenglin_t NOT NULL,
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player_b_wenglin_after wenglin_t NOT NULL,
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outcome outcome_t NOT NULL,
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CONSTRAINT match_unique_name UNIQUE (name),
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CONSTRAINT not_same_player CHECK (player_a_id != player_b_id),
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FOREIGN KEY (player_a_id) REFERENCES players (id),
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FOREIGN KEY (player_b_id) REFERENCES players (id),
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PRIMARY KEY (id)
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);
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