Bug #46089 .frm file uses 2 bytes to store key flags, KEY structure uses 4.
Submitted: 9 Jul 2009 15:09 Modified: 13 Jul 2009 8:49
Reporter: Zardosht Kasheff (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version:5.1.30, 5.0, 5.4 OS:Any
Assigned to: 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: