This commit is contained in:
vipg
2025-11-25 12:24:52 +08:00
parent 590cace08a
commit 5b58186c96

View File

@@ -4,10 +4,16 @@
-- PostgreSQL 17.4+
-- =========================================================
-- 1. 连接目标库(按需改名字)
-- 1. 开始提示
DO $$
BEGIN
RAISE NOTICE '============ variety 部署开始 ============';
END $$;
-- 2. 连接目标库(按需改)
\c postgres;
-- 2. 表结构(兼容旧逻辑)----------------------------------
-- 3. 表结构 -----------------------------------
DO $$
BEGIN
-- variety 主表
@@ -96,79 +102,33 @@ BEGIN
END IF;
END $$;
-- 3. 视图 --------------------------------------
DO $$
BEGIN
IF EXISTS (SELECT 1 FROM information_schema.views WHERE table_name = 'variety_info_view') THEN
DROP VIEW variety_info_view;
END IF;
-- 4. 视图 --------------------------------------
DROP VIEW IF EXISTS variety_info_view;
CREATE OR REPLACE VIEW variety_info_view AS
SELECT
v.id AS variety_id,
vn.name,
vc.code,
format_numeric_to_original(vt.tick) AS tick,
format_numeric_to_original(vtp.price) AS tick_price,
vt.tick AS tick_original,
vtp.price AS tick_price_original
FROM variety v
LEFT JOIN variety_name vn ON v.id = vn.variety_id AND vn.deleted = FALSE
LEFT JOIN variety_code vc ON v.id = vc.variety_id AND vc.deleted = FALSE
LEFT JOIN variety_tick vt ON v.id = vt.variety_id AND vt.deleted = FALSE
LEFT JOIN variety_tick_price vtp ON v.id = vtp.variety_id AND vtp.deleted = FALSE
WHERE v.deleted = FALSE;
CREATE OR REPLACE VIEW variety_info_view AS
SELECT
v.id AS variety_id,
vn.name,
vc.code,
format_numeric_to_original(vt.tick) AS tick,
format_numeric_to_original(vtp.price) AS tick_price,
vt.tick AS tick_original,
vtp.price AS tick_price_original
FROM variety v
LEFT JOIN variety_name vn ON v.id = vn.variety_id AND vn.deleted = FALSE
LEFT JOIN variety_code vc ON v.id = vc.variety_id AND vc.deleted = FALSE
LEFT JOIN variety_tick vt ON v.id = vt.variety_id AND vt.deleted = FALSE
LEFT JOIN variety_tick_price vtp ON v.id = vtp.variety_id AND vtp.deleted = FALSE
WHERE v.deleted = FALSE;
END $$;
-- 4. 性能优化:索引 -----------------------------------------
-- 5. 性能索引 ----------------------------------------
CREATE INDEX IF NOT EXISTS idx_variety_exchange_variety_id_deleted ON variety_exchange(variety_id, deleted);
CREATE INDEX IF NOT EXISTS idx_variety_name_variety_id_deleted ON variety_name(variety_id, deleted);
CREATE INDEX IF NOT EXISTS idx_variety_code_variety_id_deleted ON variety_code(variety_id, deleted);
CREATE INDEX IF NOT EXISTS idx_variety_tick_variety_id_deleted ON variety_tick(variety_id, deleted);
CREATE INDEX IF NOT EXISTS idx_variety_tick_price_variety_id_deleted ON variety_tick_price(variety_id, deleted);
-- 5. 性能优化:轻量视图 + 物化视图 --------------------------
CREATE OR REPLACE VIEW variety_info_view_lean AS
SELECT
v.id AS variety_id,
vn.name,
vc.code,
vt.tick AS tick_original,
vtp.price AS tick_price_original
FROM variety v
LEFT JOIN variety_name vn ON vn.variety_id = v.id AND vn.deleted = FALSE
LEFT JOIN variety_code vc ON vc.variety_id = v.id AND vc.deleted = FALSE
LEFT JOIN variety_tick vt ON vt.variety_id = v.id AND vt.deleted = FALSE
LEFT JOIN variety_tick_price vtp ON vtp.variety_id = v.id AND vtp.deleted = FALSE
WHERE v.deleted = FALSE;
CREATE MATERIALIZED VIEW IF NOT EXISTS variety_info_mv AS
SELECT * FROM variety_info_view_lean;
CREATE UNIQUE INDEX IF NOT EXISTS uq_variety_info_mv ON variety_info_mv(variety_id);
-- 6. 刷新函数 ------------------------------------------------
CREATE OR REPLACE FUNCTION refresh_variety_info_mv()
RETURNS void
LANGUAGE plpgsql
AS $$
BEGIN
REFRESH MATERIALIZED VIEW CONCURRENTLY variety_info_mv;
END;
$$;
-- 7. 首次填充
PERFORM refresh_variety_info_mv();
-- 8. 小贴士 ----------------------------------------------
-- 6. 完成提示
DO $$
BEGIN
RAISE NOTICE '
=== 部署完成 ===
1. 若从旧库迁数据,可执行:
pg_dump -U old_user -t variety -t variety_* old_db | psql -U new_user -d new_db
2. 刷新物化视图SELECT refresh_variety_info_mv();
3. 建议 cron 每 15 min 刷新一次:
*/15 * * * * psql -U new_user -d new_db -c "SELECT refresh_variety_info_mv();"
';
RAISE NOTICE '============ variety 部署完成 ============';
END $$;