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22 lines
840 B
SQL
22 lines
840 B
SQL
CREATE TABLE shop_players
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(
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shop_id BIGINT NOT NULL REFERENCES shops (id),
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player_id BIGINT NOT NULL,
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-- [新增] 标记是否为主店铺。用于个人主页展示和 players.shop_id 缓存源
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is_primary BOOLEAN DEFAULT FALSE,
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joined_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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left_at TIMESTAMPTZ, -- 软删除，表示已离职
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PRIMARY KEY (shop_id, player_id)
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);
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-- 索引
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CREATE INDEX idx_shop_players_player ON shop_players (player_id) WHERE left_at IS NULL;
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CREATE INDEX idx_shop_players_shop_active ON shop_players (shop_id, joined_at DESC) WHERE left_at IS NULL;
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-- [新增] 唯一索引：确保一个打手同一时间只能有一个主店铺
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CREATE UNIQUE INDEX idx_shop_players_one_primary
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ON shop_players (player_id) WHERE is_primary = TRUE AND left_at IS NULL;
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