Bug #28415 Some ALTER TABLE statements no longer work under LOCK TABLES
Submitted: 14 May 2007 12:48 Modified: 17 May 2007 14:04
Reporter: Dmitry Lenev Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Locking Severity:S3 (Non-critical)
Version:5.1.19-bk OS:Any
Assigned to: Dmitry Lenev CPU Architecture:Any

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: