保留最新代码,清除历史记录

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vipg
2025-10-09 18:19:57 +08:00
commit b44e40f25d
77 changed files with 4115 additions and 0 deletions

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-- 切换到目标数据库
\c postgres;
-- 检查并创建UUID扩展如果不存在
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-- 定义检测UUID v7支持的函数
CREATE OR REPLACE FUNCTION check_uuid_v7_support() RETURNS BOOLEAN AS $$
DECLARE
test_uuid UUID;
BEGIN
BEGIN
SELECT gen_random_uuid_v7() INTO test_uuid;
RETURN TRUE;
EXCEPTION
WHEN undefined_function THEN
RETURN FALSE;
END;
END;
$$ LANGUAGE plpgsql VOLATILE;
-- 创建UUID v7兼容函数修复UUID格式长度问题
CREATE OR REPLACE FUNCTION gen_random_uuid_v7() RETURNS uuid AS $$
DECLARE
unix_ts_ms BIGINT;
rand_a BIGINT;
rand_b BIGINT;
hex_str TEXT;
BEGIN
-- 获取当前毫秒级Unix时间戳
unix_ts_ms := (EXTRACT(EPOCH FROM NOW()) * 1000)::BIGINT;
-- 生成随机数(调整随机数范围以确保总长度正确)
rand_a := (random() * (2^20 - 1))::BIGINT;
rand_b := (random() * (2^44 - 1))::BIGINT; -- 从48位调整为44位减少2个字节
-- 组合UUID v7格式确保总长度为32个十六进制字符
hex_str :=
lpad(to_hex(unix_ts_ms >> 12), 8, '0') ||
lpad(to_hex((unix_ts_ms & 4095) << 4), 4, '0') ||
'7' || lpad(to_hex(rand_a >> 18), 3, '0') ||
lpad(to_hex(8 + (rand_a & 16383) >> 12), 2, '0') ||
lpad(to_hex(rand_a & 4095), 3, '0') ||
lpad(to_hex(rand_b), 11, '0'); -- 从12位调整为11位
RETURN hex_str::uuid;
END;
$$ LANGUAGE plpgsql VOLATILE;

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-- 切换到目标数据库
\c postgres;
CREATE OR REPLACE FUNCTION update_user_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.updated_at = CURRENT_TIMESTAMP;
RETURN NEW;
END;
$$ LANGUAGE plpgsql VOLATILE;
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user') THEN
CREATE TABLE "user" ( -- user是关键字用双引号包裹
id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
deleted BOOLEAN NOT NULL DEFAULT FALSE,
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TRIGGER update_user_updated_at
BEFORE UPDATE ON "user"
FOR EACH ROW
EXECUTE FUNCTION update_user_modified_column();
RAISE NOTICE 'Created user table and trigger';
ELSE
RAISE NOTICE 'user table already exists';
END IF;
END $$;

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-- 切换到目标数据库
\c postgres;
CREATE OR REPLACE FUNCTION update_account_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.updated_at = CURRENT_TIMESTAMP;
RETURN NEW;
END;
$$ LANGUAGE plpgsql VOLATILE;
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_account') THEN
CREATE TABLE user_account (
id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
user_id UUID NOT NULL,
account VARCHAR NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TRIGGER update_user_account_updated_at
BEFORE UPDATE ON "user_account"
FOR EACH ROW
EXECUTE FUNCTION update_account_modified_column();
RAISE NOTICE 'Created user_account table and trigger';
ELSE
RAISE NOTICE 'user_account table already exists';
END IF;
END $$;

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-- 切换到目标数据库
\c postgres;
CREATE OR REPLACE FUNCTION update_password_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.updated_at = CURRENT_TIMESTAMP;
RETURN NEW;
END;
$$ LANGUAGE plpgsql VOLATILE;
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_password') THEN
CREATE TABLE user_password (
id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
user_id UUID NOT NULL,
password VARCHAR NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TRIGGER update_user_password_updated_at
BEFORE UPDATE ON "user_password"
FOR EACH ROW
EXECUTE FUNCTION update_password_modified_column();
RAISE NOTICE 'Created user_password table and trigger';
ELSE
RAISE NOTICE 'user_password table already exists';
END IF;
END $$;

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\c postgres;
DO $$
DECLARE
view_exists BOOLEAN;
BEGIN
-- 检查视图是否已存在
SELECT EXISTS (
SELECT 1 FROM information_schema.views
WHERE table_name = 'user_account_password_view'
) INTO view_exists;
-- 创建或更新视图
CREATE OR REPLACE VIEW user_account_password_view AS
SELECT
u.id AS user_id,
ua.account AS account,
up.password AS password,
u.deleted AS deleted
FROM
"user" u
JOIN
user_account ua ON u.id = ua.user_id
JOIN
user_password up ON u.id = up.user_id;
-- 根据视图是否已存在输出不同提示
IF view_exists THEN
RAISE NOTICE '视图 user_account_password_view 已更新';
ELSE
RAISE NOTICE '视图 user_account_password_view 已创建';
END IF;
EXCEPTION
WHEN OTHERS THEN
RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
END $$;