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