Bug #79549 Regression: “unknown column” for outer computed values used inside a subquery
Submitted: 7 Dec 2015 21:14 Modified: 16 Jan 2016 15:15
Reporter: Chris Adams Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: DML Severity:S3 (Non-critical)
Version:5.7.9 OS:Any
Assigned to: CPU Architecture:Any
Tags: regression

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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.

To split a large file: