From 2e0df3047368338e8be96aec5441eba22296d921 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Thu, 25 Dec 2025 05:55:42 -0800
Subject: [PATCH] =?UTF-8?q?fix(migration):=20=E7=A7=BB=E9=99=A4=20DO=20$$?=
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Prisma migrate deploy 只支持简单 SQL 语句

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../migration.sql                             | 40 +++----------------
 1 file changed, 6 insertions(+), 34 deletions(-)

diff --git a/backend/services/planting-service/prisma/migrations/20241225100000_add_contract_no/migration.sql b/backend/services/planting-service/prisma/migrations/20241225100000_add_contract_no/migration.sql
index a44c0d58..ca997a68 100644
--- a/backend/services/planting-service/prisma/migrations/20241225100000_add_contract_no/migration.sql
+++ b/backend/services/planting-service/prisma/migrations/20241225100000_add_contract_no/migration.sql
@@ -1,44 +1,16 @@
 -- AlterTable: Add contract_no column to contract_signing_tasks
 -- 合同编号格式: accountSequence-yyyyMMddHHmm (例如: 10001-202512251003)
 
--- 1. 首先添加可空的 contract_no 列（如果不存在）
-DO $$
-BEGIN
-    IF NOT EXISTS (
-        SELECT 1 FROM information_schema.columns
-        WHERE table_name = 'contract_signing_tasks'
-        AND column_name = 'contract_no'
-    ) THEN
-        ALTER TABLE "contract_signing_tasks" ADD COLUMN "contract_no" VARCHAR(30);
-    END IF;
-END $$;
+-- 1. 添加可空的 contract_no 列
+ALTER TABLE "contract_signing_tasks" ADD COLUMN "contract_no" VARCHAR(30);
 
 -- 2. 为现有记录生成合同编号（基于 account_sequence 和 created_at）
 UPDATE "contract_signing_tasks"
 SET "contract_no" = "account_sequence" || '-' || TO_CHAR("created_at", 'YYYYMMDDHH24MI')
 WHERE "contract_no" IS NULL;
 
--- 3. 设置为 NOT NULL（如果还不是）
-DO $$
-BEGIN
-    IF EXISTS (
-        SELECT 1 FROM information_schema.columns
-        WHERE table_name = 'contract_signing_tasks'
-        AND column_name = 'contract_no'
-        AND is_nullable = 'YES'
-    ) THEN
-        ALTER TABLE "contract_signing_tasks" ALTER COLUMN "contract_no" SET NOT NULL;
-    END IF;
-END $$;
+-- 3. 设置为 NOT NULL
+ALTER TABLE "contract_signing_tasks" ALTER COLUMN "contract_no" SET NOT NULL;
 
--- 4. 添加唯一索引（如果不存在）
-DO $$
-BEGIN
-    IF NOT EXISTS (
-        SELECT 1 FROM pg_indexes
-        WHERE tablename = 'contract_signing_tasks'
-        AND indexname = 'contract_signing_tasks_contract_no_key'
-    ) THEN
-        CREATE UNIQUE INDEX "contract_signing_tasks_contract_no_key" ON "contract_signing_tasks"("contract_no");
-    END IF;
-END $$;
+-- 4. 添加唯一索引
+CREATE UNIQUE INDEX "contract_signing_tasks_contract_no_key" ON "contract_signing_tasks"("contract_no");