add

backend/trading_record/sql/01_uuid_v7_setup.sql

@@ -0,0 +1,48 @@
+-- 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;

backend/trading_record/sql/02_create_country_table.sql

@@ -0,0 +1,30 @@
+-- 切换到目标数据库
+\c postgres;
+
+CREATE OR REPLACE FUNCTION update_country_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country') THEN
+        CREATE TABLE "country" (  -- country是关键字，用双引号包裹
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_country_updated_at
+        BEFORE UPDATE ON "country"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_country_modified_column();
+        
+        RAISE NOTICE 'Created country table and trigger';
+    ELSE
+        RAISE NOTICE 'country table already exists';
+    END IF;
+END $$;

backend/trading_record/sql/03_create_name_table.sql

@@ -0,0 +1,32 @@
+-- 切换到目标数据库
+\c postgres;
+
+CREATE OR REPLACE FUNCTION update_name_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'name') THEN
+        CREATE TABLE name (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            country_id UUID NOT NULL,
+            name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_name_updated_at
+        BEFORE UPDATE ON "name"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_name_modified_column();
+        
+        RAISE NOTICE 'Created name table and trigger';
+    ELSE
+        RAISE NOTICE 'name table already exists';
+    END IF;
+END $$;

backend/trading_record/sql/04_create_code_table.sql

@@ -0,0 +1,32 @@
+-- 切换到目标数据库
+\c postgres;
+
+CREATE OR REPLACE FUNCTION update_code_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'code') THEN
+        CREATE TABLE code (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            country_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_code_updated_at
+        BEFORE UPDATE ON "code"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_code_modified_column();
+        
+        RAISE NOTICE 'Created code table and trigger';
+    ELSE
+        RAISE NOTICE 'code table already exists';
+    END IF;
+END $$;

backend/trading_record/sql/05_create_info_view.sql

@@ -0,0 +1,38 @@
+\c postgres;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'country_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW country_info_view AS
+    SELECT 
+        u.id AS country_id,
+        n.name AS name,
+        c.code AS code,
+        u.deleted AS deleted
+    FROM 
+        "country" u
+    JOIN 
+        name n ON u.id = n.country_id
+    JOIN 
+        code c ON u.id = c.country_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 country_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 country_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;