tudoudaren233

> What database do you use? mysql 5.6.29

Thanks for re. I'm using the mysql database connector and i will try the legacy. Here is the log. 

Database name is "gem", and encoding is UTF-8.

Sorry, maybe i'v misunderstood the meaning of name of database, here is my screenshot of test connection. 

here is the database name 

here is the mysql version, i've also tried changing the connector to 5.1.x but the problem still not fix.  

Now i found that in new version, Although the SQL editor shows error, If i execute one of the right sql, the error will disappear.

No, it didn't work after i left the field empty, still showed this error.  I use the first button to execute. But it is wired that this error did...

I found the way to reproduce the problem. When i rename the SQL Editor, i added some Chinese characters in the new name and then i changed to another database...

Here are my steps. 1. Open a new sql-editor and write some normal sql. Make sure you can run these sql correctly. 2. Save this editor and rename it with...