Bug #68729 wbcopytables has a limit on # of chars it can support in select statement
Submitted: 20 Mar 2013 16:55 Modified: 25 Mar 2013 13:43
Reporter: Marc Nesheim Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Workbench: Migration Severity:S1 (Critical)
Version:5.2.47CE Rev 10398 OS:Windows (Version 7)
Assigned to: CPU Architecture:Any
Tags: migration, wbcopytable

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: