| Bug #93523 | Implement exists-to-in correlated subquery optimization | ||
|---|---|---|---|
| Submitted: | 7 Dec 2018 19:45 | Modified: | 14 Dec 2018 16:25 |
| Reporter: | Geoff Montee | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S4 (Feature request) |
| Version: | 5.6,5.7,8.0 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
| Tags: | exists, IN, optimization, Optimizer, optimizer_switch, performance, semi-join, subquery | ||
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
