Bug #10886 INSERT ... SELECT ... ON DUPLICATE KEY UPDATE produces bad results
Submitted: 26 May 2005 14:59 Modified: 22 Jun 2005 2:36
Reporter: Mark Modrall Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version:4.1.12 OS:Linux (Linux)
Assigned to: Evgeny Potemkin 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: