Bug #118693 Increasing length of varchar field should be inplace.
Submitted: 22 Jul 5:52 Modified: 22 Jul 6:32
Reporter: Li Yirong (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:8.0.42 OS:Any
Assigned to: CPU Architecture:Any
Tags: Contribution, DDL, innodb, Inplace upgrade

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: