Bug #119386 unexpected error "Can't write; duplicate key in table '/tmp/#sql1_372_1'"
Submitted: 13 Nov 2025 11:44 Modified: 15 Jan 12:34
Reporter: chi zhang Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S1 (Critical)
Version:9.4.0 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: