Bug #108315 Wrong result with union and small memory tmp table
Submitted: 29 Aug 2022 8:27 Modified: 29 Aug 2022 8:42
Reporter: mengchu shi (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version:8.0, 8.0.30 OS:Linux
Assigned to: CPU Architecture:Any
Tags: temp table, UNION, UNION ALL

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Description:
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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.

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