Bug #45901 Cannot do SELECT FOR UPDATE with small amount of records.
Submitted: 2 Jul 2009 9:24 Modified: 2 Jul 2009 14:03
Reporter: victor godwin Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5,1.30, 5.1.33, 5.1.35, 5.1.36 OS:Windows (XP)
Assigned to: CPU Architecture:Any
Tags: innodb, locking, select for update

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: