Bug #119463 some charactor may be truncated use utf8mb4_general_ci collation_connection
Submitted: 26 Nov 2025 6:23
Reporter: zhang xiaojian Email Updates:
Status: Open Impact on me:
None 
Category:MySQL Server: Charsets Severity:S2 (Serious)
Version:9.5.0 OS:Any
Assigned to: CPU Architecture:Any
Tags: utf8mb4_0900_ai_ci

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:

[25 Dec 2025 7:34] kai zhang
Suggested fix:

Attachment: bug#119463.patch (application/octet-stream, text), 3.15 KiB.

[25 Dec 2025 12:24] kai zhang
Suggested fix in tag mysql-9.5.0:

Attachment: 950.patch (application/octet-stream, text), 3.42 KiB.