wwweww
49 lines
2.2 KiB
SQL
49 lines
2.2 KiB
SQL
CREATE TABLE player_services (
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id BIGINT PRIMARY KEY,
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player_id BIGINT NOT NULL REFERENCES players(id),
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game_id BIGINT NOT NULL,
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title VARCHAR(200) NOT NULL,
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description TEXT,
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price DECIMAL(10,2) NOT NULL,
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unit VARCHAR(20) NOT NULL,
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rank_range VARCHAR(100),
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availability TEXT[] DEFAULT ARRAY[]::TEXT[],
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rating DECIMAL(3,2) DEFAULT 5.00,
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is_active BOOLEAN DEFAULT TRUE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT chk_price_positive CHECK (price > 0),
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CONSTRAINT chk_service_rating CHECK (rating >= 0 AND rating <= 5)
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);
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-- 基础索引
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CREATE INDEX idx_services_player ON player_services(player_id) WHERE is_active = TRUE;
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CREATE INDEX idx_services_game ON player_services(game_id) WHERE is_active = TRUE;
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CREATE INDEX idx_services_price ON player_services(price);
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-- 三元组索引用于服务标题模糊搜索
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CREATE INDEX idx_services_title_trgm ON player_services USING gin(title gin_trgm_ops)
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WHERE is_active = TRUE;
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-- 全文搜索索引
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CREATE INDEX idx_services_fulltext ON player_services USING gin(
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to_tsvector('simple', title || ' ' || coalesce(description, ''))
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) WHERE is_active = TRUE;
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-- 复合索引优化价格区间查询
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CREATE INDEX idx_services_game_price ON player_services(game_id, price, rating DESC)
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WHERE is_active = TRUE;
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-- 打手+游戏复合索引
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CREATE INDEX idx_services_player_game ON player_services(player_id, game_id)
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WHERE is_active = TRUE;
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-- GIN 索引优化时间段查询
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CREATE INDEX idx_services_availability ON player_services USING gin(availability)
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WHERE is_active = TRUE;
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CREATE TRIGGER trigger_services_updated_at
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BEFORE UPDATE ON player_services
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FOR EACH ROW
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EXECUTE FUNCTION update_updated_at_column(); |