Bug #78536 group_concat returns incorrect result
Submitted: 24 Sep 2015 6:50 Modified: 8 May 2018 13:11
Reporter: Su Dylan Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: DML Severity:S2 (Serious)
Version:5.6.22, 5.7.8 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: