add
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97
backend/sql/03_user.sql
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97
backend/sql/03_user.sql
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-- 切换到目标数据库
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\c postgres;
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DO $$
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user') THEN
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CREATE TABLE "user" ( -- user是关键字,用双引号包裹
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id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY 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_user_updated_at
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BEFORE UPDATE ON "user"
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FOR EACH ROW
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EXECUTE FUNCTION update_data_modified_column();
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RAISE NOTICE 'created user table and trigger';
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ELSE
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RAISE NOTICE 'user table already exists';
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END IF;
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_account') THEN
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CREATE TABLE user_account (
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id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
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user_id UUID NOT NULL,
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account 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_user_account_updated_at
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BEFORE UPDATE ON "account"
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FOR EACH ROW
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EXECUTE FUNCTION update_data_modified_column();
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RAISE NOTICE 'created user_account table and trigger';
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ELSE
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RAISE NOTICE 'user_account table already exists';
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END IF;
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IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_password') THEN
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CREATE TABLE user_password (
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id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
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user_id UUID NOT NULL,
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password 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_user_password_updated_at
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BEFORE UPDATE ON "password"
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FOR EACH ROW
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EXECUTE FUNCTION update_data_modified_column();
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RAISE NOTICE 'created user_password table and trigger';
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ELSE
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RAISE NOTICE 'user_password table already exists';
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END IF;
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END $$;
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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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-- 检查视图是否已存在
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SELECT EXISTS (
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SELECT 1 FROM information_schema.views
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WHERE table_name = 'user_info_view'
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) INTO view_exists;
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-- 创建或更新视图
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CREATE OR REPLACE VIEW user_info_view AS
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SELECT
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u.id AS user_id,
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ua.account AS user_account,
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up.password AS user_password,
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u.deleted AS deleted
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FROM
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"user" u
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JOIN
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user_account ua ON u.id = ua.user_id
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JOIN
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user_password up ON u.id = up.user_id
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WHERE
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u.deleted = FALSE;
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-- 根据视图是否已存在输出不同提示
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IF view_exists THEN
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RAISE NOTICE '视图 user_info_view 已更新';
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ELSE
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RAISE NOTICE '视图 user_info_view 已创建';
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END IF;
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EXCEPTION
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WHEN OTHERS THEN
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RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
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END $$;
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