| Bug #28691 | GROUP BY optimization ignores functional dependency on unique/primary key | ||
|---|---|---|---|
| Submitted: | 25 May 2007 20:16 | Modified: | 23 Aug 2007 16:42 |
| Reporter: | Roland Bouman | Email Updates: | |
| Status: | Not a Bug | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S3 (Non-critical) |
| Version: | 5.1.18 | OS: | Any |
| Assigned to: | Martin Hansson | CPU Architecture: | Any |
| Tags: | functional dependency, GROUP BY | ||
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:
- On *nix platforms use the split command e.g.
split -b 50MB <my_large_archive> <my_split_archive_prefix> - On windows use WinZip or a similar utility to split the large file
