提交

docs/sql/migrations/2026-08-03-crm-contract-no-check-duplicates.sql

@@ -0,0 +1,56 @@
+-- 合同编号重复排查（只读，不改数据）
+-- 库：shanxia2.0 / crm_contract
+-- 用途：检查租户内 contract_no 是否仍有重复（含软删）
+
+SET NAMES utf8mb4;
+
+-- 1) 按 (contract_no, tenant_no) 分组：任何重复（含软删）
+SELECT
+  contract_no,
+  tenant_no,
+  COUNT(*) AS cnt,
+  SUM(CASE WHEN del_flag = 0 THEN 1 ELSE 0 END) AS alive_cnt,
+  SUM(CASE WHEN del_flag = 1 THEN 1 ELSE 0 END) AS deleted_cnt,
+  GROUP_CONCAT(
+    CONCAT(id, '/del', del_flag, '/', IFNULL(customer_name, ''))
+    ORDER BY del_flag, create_time
+    SEPARATOR ' | '
+  ) AS detail
+FROM crm_contract
+GROUP BY contract_no, tenant_no
+HAVING COUNT(*) > 1
+ORDER BY cnt DESC, contract_no;
+
+-- 2) 仅有效单据 (del_flag=0) 是否撞号
+SELECT
+  contract_no,
+  tenant_no,
+  COUNT(*) AS alive_cnt,
+  GROUP_CONCAT(id ORDER BY create_time SEPARATOR ' | ') AS ids,
+  GROUP_CONCAT(IFNULL(customer_name, '') ORDER BY create_time SEPARATOR ' | ') AS customers
+FROM crm_contract
+WHERE del_flag = 0
+GROUP BY contract_no, tenant_no
+HAVING COUNT(*) > 1
+ORDER BY alive_cnt DESC, contract_no;
+
+-- 3) 指定编号示例：SX/X-JT20260803001（含改号后的 ~DEL~ 变体）
+SELECT
+  id,
+  contract_no,
+  contract_name,
+  customer_name,
+  status,
+  del_flag,
+  create_time,
+  update_time
+FROM crm_contract
+WHERE tenant_no = 'shanxia2.0'
+  AND (
+    contract_no = 'SX/X-JT20260803001'
+    OR contract_no LIKE 'SX/X-JT20260803001~%'
+  )
+ORDER BY del_flag, create_time;
+
+-- 4) 当前唯一索引是否已是全局唯一版
+SHOW INDEX FROM crm_contract WHERE Key_name LIKE 'uk_contract%';

docs/sql/migrations/2026-08-03-crm-contract-no-global-unique.sql

@@ -0,0 +1,77 @@
+-- 合同编号租户内全局唯一（含软删不复用）— 可重复执行
+-- 1) 消解已有 (contract_no, tenant_no) 撞号：保留 del_flag=0，软删行改号
+-- 2) 唯一索引改为 (contract_no, tenant_no)
+--
+-- 说明：若生产已执行过，旧索引 uk_contract_tenant_no_del 可能已不存在，
+--      本脚本会先检查再 DROP/ADD，避免 1091。
+
+SET NAMES utf8mb4;
+
+-- 软删撞号改号：{原编号}~DEL~{id前8位}
+UPDATE crm_contract c
+INNER JOIN (
+  SELECT contract_no, tenant_no
+  FROM crm_contract
+  GROUP BY contract_no, tenant_no
+  HAVING COUNT(*) > 1
+) d ON c.contract_no = d.contract_no AND c.tenant_no = d.tenant_no
+SET c.contract_no = CONCAT(c.contract_no, '~DEL~', LEFT(c.id, 8)),
+    c.update_time = NOW()
+WHERE c.del_flag = 1
+  AND c.contract_no NOT LIKE '%~DEL~%'
+  AND c.contract_no NOT LIKE '%~DUP~%';
+
+-- 若仍有撞号（极端：两条都 del_flag=0），再改非 keep 的一条
+UPDATE crm_contract c
+INNER JOIN (
+  SELECT contract_no, tenant_no, MIN(id) AS keep_id
+  FROM crm_contract
+  GROUP BY contract_no, tenant_no
+  HAVING COUNT(*) > 1
+) d ON c.contract_no = d.contract_no AND c.tenant_no = d.tenant_no AND c.id <> d.keep_id
+SET c.contract_no = CONCAT(c.contract_no, '~DUP~', LEFT(c.id, 8)),
+    c.update_time = NOW()
+WHERE c.contract_no NOT LIKE '%~DUP~%';
+
+-- 有旧索引则删除
+SET @db := DATABASE();
+SET @sql := (
+  SELECT IF(
+    EXISTS(
+      SELECT 1 FROM information_schema.statistics
+      WHERE table_schema = @db
+        AND table_name = 'crm_contract'
+        AND index_name = 'uk_contract_tenant_no_del'
+    ),
+    'ALTER TABLE crm_contract DROP INDEX `uk_contract_tenant_no_del`',
+    'SELECT ''skip DROP uk_contract_tenant_no_del'' AS info'
+  )
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- 无新索引则添加
+SET @sql := (
+  SELECT IF(
+    EXISTS(
+      SELECT 1 FROM information_schema.statistics
+      WHERE table_schema = @db
+        AND table_name = 'crm_contract'
+        AND index_name = 'uk_contract_tenant_no'
+    ),
+    'SELECT ''skip ADD uk_contract_tenant_no (already exists)'' AS info',
+    'ALTER TABLE crm_contract ADD UNIQUE KEY `uk_contract_tenant_no` (`contract_no`, `tenant_no`)'
+  )
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- 验收：应为空
+SELECT contract_no, tenant_no, COUNT(*) AS cnt
+FROM crm_contract
+GROUP BY contract_no, tenant_no
+HAVING COUNT(*) > 1;
+
+SHOW INDEX FROM crm_contract WHERE Key_name LIKE 'uk_contract%';

docs/sql/shanxia2.0.sql

@@ -895,7 +895,7 @@ CREATE TABLE `crm_contract` (
   `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   `del_flag` smallint(6) NOT NULL DEFAULT '0',
   PRIMARY KEY (`id`),
-  UNIQUE KEY `uk_contract_tenant_no_del` (`contract_no`,`tenant_no`,`del_flag`),
+  UNIQUE KEY `uk_contract_tenant_no` (`contract_no`,`tenant_no`),
   KEY `idx_customer_id` (`customer_id`),
   KEY `idx_tenant` (`tenant_no`),
   KEY `idx_opportunity_id` (`opportunity_id`),