117 lines
4.1 KiB
SQL
117 lines
4.1 KiB
SQL
-- =========================================================
|
||
-- currency.sql 💰
|
||
-- 无物化视图 | 超可视提示 | 可重复执行
|
||
-- PostgreSQL 17.4+ 👍
|
||
-- =========================================================
|
||
|
||
-- 1️⃣ 开始 🚀
|
||
DO $$
|
||
BEGIN
|
||
RAISE NOTICE '🚀============ currency 部署开始 ============🚀';
|
||
END $$;
|
||
|
||
-- 2️⃣ 连接目标库
|
||
\c postgres;
|
||
|
||
-- 3️⃣ 表结构 -----------------------------------
|
||
DO $$
|
||
BEGIN
|
||
-- currency 主表
|
||
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency') THEN
|
||
CREATE TABLE currency (
|
||
id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
|
||
deleted BOOLEAN NOT NULL DEFAULT FALSE,
|
||
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
||
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
|
||
);
|
||
CREATE TRIGGER update_currency_updated_at
|
||
BEFORE UPDATE ON currency
|
||
FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
|
||
RAISE NOTICE '1️⃣✅ currency 主表已创建';
|
||
ELSE
|
||
RAISE NOTICE '1️⃣⏩ currency 主表已存在，跳过';
|
||
END IF;
|
||
|
||
-- currency_name
|
||
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency_name') THEN
|
||
CREATE TABLE currency_name (
|
||
id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
|
||
currency_id UUID NOT NULL,
|
||
name VARCHAR NOT NULL,
|
||
deleted BOOLEAN NOT NULL DEFAULT FALSE,
|
||
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
||
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
|
||
);
|
||
CREATE TRIGGER update_currency_name_updated_at
|
||
BEFORE UPDATE ON currency_name
|
||
FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
|
||
RAISE NOTICE '2️⃣✅ currency_name 子表已创建';
|
||
ELSE
|
||
RAISE NOTICE '2️⃣⏩ currency_name 子表已存在，跳过';
|
||
END IF;
|
||
|
||
-- currency_code
|
||
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency_code') THEN
|
||
CREATE TABLE currency_code (
|
||
id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
|
||
currency_id UUID NOT NULL,
|
||
code VARCHAR NOT NULL,
|
||
deleted BOOLEAN NOT NULL DEFAULT FALSE,
|
||
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
||
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
|
||
);
|
||
CREATE TRIGGER update_currency_code_updated_at
|
||
BEFORE UPDATE ON currency_code
|
||
FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
|
||
RAISE NOTICE '3️⃣✅ currency_code 子表已创建';
|
||
ELSE
|
||
RAISE NOTICE '3️⃣⏩ currency_code 子表已存在，跳过';
|
||
END IF;
|
||
END $$;
|
||
|
||
-- 4️⃣ 视图 ------------------------------------
|
||
DO $$
|
||
DECLARE
|
||
view_exists BOOLEAN;
|
||
BEGIN
|
||
SELECT EXISTS (
|
||
SELECT 1 FROM information_schema.views
|
||
WHERE table_name = 'currency_info_view'
|
||
) INTO view_exists;
|
||
|
||
IF view_exists THEN
|
||
DROP VIEW currency_info_view;
|
||
RAISE NOTICE '4️⃣♻️ 已删除旧视图 currency_info_view';
|
||
END IF;
|
||
|
||
CREATE OR REPLACE VIEW currency_info_view AS
|
||
SELECT
|
||
u.id AS currency_id,
|
||
n.name,
|
||
c.code,
|
||
u.deleted
|
||
FROM currency u
|
||
JOIN currency_name n ON u.id = n.currency_id AND n.deleted = FALSE
|
||
JOIN currency_code c ON u.id = c.currency_id AND c.deleted = FALSE
|
||
WHERE u.deleted = FALSE;
|
||
|
||
RAISE NOTICE '4️⃣✅ currency_info_view 已创建/更新';
|
||
EXCEPTION
|
||
WHEN OTHERS THEN
|
||
RAISE NOTICE '4️⃣❌ 处理视图时发生错误: %', SQLERRM;
|
||
END $$;
|
||
|
||
-- 5️⃣ 性能索引 ------------------------------------------------
|
||
CREATE INDEX IF NOT EXISTS idx_currency_name_currency_id_deleted ON currency_name(currency_id, deleted);
|
||
CREATE INDEX IF NOT EXISTS idx_currency_code_currency_id_deleted ON currency_code(currency_id, deleted);
|
||
|
||
DO $$
|
||
BEGIN
|
||
RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
|
||
END $$;
|
||
|
||
-- 6️⃣ 完成 🎉
|
||
DO $$
|
||
BEGIN
|
||
RAISE NOTICE '🎉============ currency 部署完成 ============🎉';
|
||
END $$; |