Bug #83923 bit(n) data type confused when used with IF(), IFNULL()...
Submitted: 23 Nov 2016 0:00 Modified: 27 Jan 2017 1:36
Reporter: Dean Trower Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: DML Severity:S2 (Serious)
Version:5.6, 5.7, 5.6.34, 5.7.16 OS:Any
Assigned to: CPU Architecture:Any
Tags: bit ifnull

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: