| Bug #69841 | SELECT COUNT(DISTINCT a,b) incorrectly counts rows containing NULL | ||
|---|---|---|---|
| Submitted: | 25 Jul 2013 23:41 | Modified: | 1 Oct 2013 18:37 |
| Reporter: | Arthur O'Dwyer | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S3 (Non-critical) |
| Version: | 5.5/5.6 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
| Tags: | regression | ||
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
