服务器未知运行时异常: 
### Error querying database.  Cause: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'TO_CHAR(create_time, 'yyyy-mm-dd hh24:mi:ss') AS "createTime",
               TO' at line 4
### The error may exist in file [D:\cz\203\徐州计量\code\casic-metering\casic-metering-dao\target\classes\mapper\sys\MessagePushMapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: select id,                client_id                user_id                TO_CHAR(create_time, 'yyyy-mm-dd hh24:mi:ss') AS "createTime",                TO_CHAR(update_time, 'yyyy-mm-dd hh24:mi:ss') AS "updateTime",                tag,                type,                enable         from sys_user_push         where user_id = ?           AND type = ?
### Cause: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'TO_CHAR(create_time, 'yyyy-mm-dd hh24:mi:ss') AS "createTime",
               TO' at line 4
; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'TO_CHAR(create_time, 'yyyy-mm-dd hh24:mi:ss') AS "createTime",
               TO' at line 4