174 lines
7.0 KiB
PL/PgSQL
174 lines
7.0 KiB
PL/PgSQL
-- =========================================================
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-- variety.sql
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-- 服务器一次性部署：原结构 + 性能优化
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-- PostgreSQL 17.4+
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-- =========================================================
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-- 1. 连接目标库（按需改名字）
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\c postgres;
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-- 2. 表结构 -----------------------------------
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DO $$
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BEGIN
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-- variety 主表
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety') THEN
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CREATE TABLE variety (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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END IF;
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-- variety_exchange
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_exchange') THEN
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CREATE TABLE variety_exchange (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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variety_id UUID NOT NULL,
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exchange_id VARCHAR(50) NOT NULL,
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TRIGGER update_variety_exchange_updated_at
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BEFORE UPDATE ON variety_exchange
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FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
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END IF;
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-- variety_name
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_name') THEN
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CREATE TABLE variety_name (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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variety_id UUID NOT NULL,
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name VARCHAR(50) NOT NULL,
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TRIGGER update_variety_name_updated_at
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BEFORE UPDATE ON variety_name
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FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
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END IF;
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-- variety_code
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_code') THEN
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CREATE TABLE variety_code (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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variety_id UUID NOT NULL,
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code VARCHAR(50) NOT NULL,
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TRIGGER update_variety_code_updated_at
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BEFORE UPDATE ON variety_code
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FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
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END IF;
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-- variety_tick
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_tick') THEN
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CREATE TABLE variety_tick (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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variety_id UUID NOT NULL,
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tick NUMERIC(12,6),
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TRIGGER update_variety_tick_updated_at
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BEFORE UPDATE ON variety_tick
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FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
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END IF;
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-- variety_tick_price
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_tick_price') THEN
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CREATE TABLE variety_tick_price (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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variety_id UUID NOT NULL,
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price NUMERIC(12,6),
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TRIGGER update_variety_tick_price_updated_at
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BEFORE UPDATE ON variety_tick_price
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FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
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END IF;
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END $$;
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-- 3. 视图 --------------------------------------
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DO $$
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BEGIN
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IF EXISTS (SELECT 1 FROM information_schema.views WHERE table_name = 'variety_info_view') THEN
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DROP VIEW variety_info_view;
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END IF;
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CREATE OR REPLACE VIEW variety_info_view AS
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SELECT
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v.id AS variety_id,
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vn.name,
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vc.code,
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format_numeric_to_original(vt.tick) AS tick,
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format_numeric_to_original(vtp.price) AS tick_price,
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vt.tick AS tick_original,
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vtp.price AS tick_price_original
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FROM variety v
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LEFT JOIN variety_name vn ON v.id = vn.variety_id AND vn.deleted = FALSE
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LEFT JOIN variety_code vc ON v.id = vc.variety_id AND vc.deleted = FALSE
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LEFT JOIN variety_tick vt ON v.id = vt.variety_id AND vt.deleted = FALSE
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LEFT JOIN variety_tick_price vtp ON v.id = vtp.variety_id AND vtp.deleted = FALSE
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WHERE v.deleted = FALSE;
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END $$;
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-- 4. 性能优化：索引 -----------------------------------------
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CREATE INDEX IF NOT EXISTS idx_variety_exchange_variety_id_deleted ON variety_exchange(variety_id, deleted);
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CREATE INDEX IF NOT EXISTS idx_variety_name_variety_id_deleted ON variety_name(variety_id, deleted);
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CREATE INDEX IF NOT EXISTS idx_variety_code_variety_id_deleted ON variety_code(variety_id, deleted);
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CREATE INDEX IF NOT EXISTS idx_variety_tick_variety_id_deleted ON variety_tick(variety_id, deleted);
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CREATE INDEX IF NOT EXISTS idx_variety_tick_price_variety_id_deleted ON variety_tick_price(variety_id, deleted);
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-- 5. 性能优化：轻量视图 + 物化视图 --------------------------
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CREATE OR REPLACE VIEW variety_info_view_lean AS
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SELECT
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v.id AS variety_id,
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vn.name,
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vc.code,
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vt.tick AS tick_original,
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vtp.price AS tick_price_original
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FROM variety v
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LEFT JOIN variety_name vn ON vn.variety_id = v.id AND vn.deleted = FALSE
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LEFT JOIN variety_code vc ON vc.variety_id = v.id AND vc.deleted = FALSE
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LEFT JOIN variety_tick vt ON vt.variety_id = v.id AND vt.deleted = FALSE
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LEFT JOIN variety_tick_price vtp ON vtp.variety_id = v.id AND vtp.deleted = FALSE
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WHERE v.deleted = FALSE;
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CREATE MATERIALIZED VIEW IF NOT EXISTS variety_info_mv AS
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SELECT * FROM variety_info_view_lean;
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CREATE UNIQUE INDEX IF NOT EXISTS uq_variety_info_mv ON variety_info_mv(variety_id);
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-- 6. 刷新函数 ------------------------------------------------
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CREATE OR REPLACE FUNCTION refresh_variety_info_mv()
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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BEGIN
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REFRESH MATERIALIZED VIEW CONCURRENTLY variety_info_mv;
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END;
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$$;
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-- 7. 首次填充
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PERFORM refresh_variety_info_mv();
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-- 8. 小贴士 ----------------------------------------------
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DO $$
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BEGIN
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RAISE NOTICE '
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=== 部署完成 ===
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1. 若从旧库迁数据，可执行：
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pg_dump -U old_user -t variety -t variety_* old_db | psql -U new_user -d new_db
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2. 刷新物化视图：SELECT refresh_variety_info_mv();
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3. 建议 cron 每 15 min 刷新一次：
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*/15 * * * * psql -U new_user -d new_db -c "SELECT refresh_variety_info_mv();"
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';
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END $$; |