从V1.9.1升级到1.10.0版本升级遇到的BUG #2299

hhyo/Archery#2299

src/init_sql/v1.10.0.sql

@@ -3,10 +3,21 @@ alter table instance_account
     add db_name varchar(128) default '' not null comment '数据库名（mongodb）' after host;
 
 -- instance_account表调整唯一索引
+
+-- 删除外键
+set @drop_fk_sql=(select concat('alter table instance_account drop foreign key ',constraint_name) from information_schema.table_constraints where constraint_type='foreign key' and table_name = 'instance_account');
+prepare stmt from @drop_fk_sql;
+execute stmt;
+drop prepare stmt;
+
 set @drop_sql=(select concat('alter table instance_account drop index ', constraint_name) from information_schema.table_constraints where table_schema=database() and table_name='instance_account' and constraint_type='UNIQUE');
 prepare stmt from @drop_sql;
 execute stmt;
 drop prepare stmt;
 alter table instance_account add unique index uidx_instanceid_user_host_dbname(`instance_id`, `user`, `host`, `db_name`);
+
+-- 然后在索引重建后，再重新添加外键
+alter table instance_account add constraint fk_account_sql_instance_id foreign key (instance_id) references sql_instance(id);
+
 --- 增加 ssl 支持
-ALTER TABLE sql_instance ADD is_ssl tinyint(1) DEFAULT 0  COMMENT '是否启用SSL';
+ALTER TABLE sql_instance ADD is_ssl tinyint(1) DEFAULT 0  COMMENT '是否启用SSL';