| Bug #108159 | A query with user-defined variables always use the table scan. | ||
|---|---|---|---|
| Submitted: | 17 Aug 2022 2:52 | Modified: | 18 Aug 2022 2:13 |
| Reporter: | biao li | Email Updates: | |
| Status: | Not a Bug | Impact on me: | |
| Category: | MySQL Server | Severity: | S5 (Performance) |
| Version: | MySQL 8.0 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
| Tags: | Optimizer, table scan, User-Defined Variables | ||
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
[17 Aug 2022 2:53]
biao li
