Bug #40910 SELECT MAX(DATETIME) INTO @var yields LONGBLOB
Submitted: 20 Nov 2008 22:34 Modified: 12 Jan 2009 17:21
Reporter: Yvan Rodrigues Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: General Severity:S2 (Serious)
Version:4.1.22, 5.0.70, 5.1.22-rc, 5.1.30, 6.0.7 OS:Any (7.0)
Assigned to: CPU Architecture:Any
Tags: BINARY, BLOB, datetime, longblob

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: