Bug #83921 falsely Ambigous Column in On Duplicate Key Update using a subselect
Submitted: 22 Nov 2016 20:33 Modified: 4 Jan 2017 7:08
Reporter: Dave Pullin (Basic Quality Contributor) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Parser Severity:S3 (Non-critical)
Version:5.7.16 OS:CentOS (7)
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: