Bug #100020 unexpect Rows_examined in mysql 8.0 when full table count(*) query
Submitted: 28 Jun 2020 3:31 Modified: 6 Jul 2020 12:58
Reporter: Ye Jinrong Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Logging Severity:S3 (Non-critical)
Version:8.0, 8.0.20 OS:Any
Assigned to: CPU Architecture:Any
Tags: count(*), MySQL 8.0, regression

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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: