[MDEV-21250] Better error message for Dropping a column that is part of a multi-column UNIQUE constraint is not permitted. Created: 2019-12-08 Updated: 2020-01-23 |
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| Status: | Open |
| Project: | MariaDB Server |
| Component/s: | None |
| Fix Version/s: | None |
| Type: | Task | Priority: | Major |
| Reporter: | Olaf van der Spek | Assignee: | Unassigned |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | None | ||
| Description |
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> Dropping a column that is part of a multi-column UNIQUE constraint is not permitted. IMO "[42000][1072] Key column 'A' doesn't exist in table" doesn't make sense. Could it just say it's not permitted? Why isn't this permitted BTW? https://mariadb.com/kb/en/library/alter-table/ |