| Bug #48749 | clarify error message when event table cannot be opened | ||
|---|---|---|---|
| Submitted: | 13 Nov 2009 5:55 | ||
| Reporter: | Shane Bester (Platinum Quality Contributor) | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: Errors | Severity: | S4 (Feature request) |
| Version: | 5.1.40 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
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Description: currently if you enable the event scheduler and the event table is readonly, the following message is printed: 091112 15:17:19 [ERROR] Event Scheduler: Failed to open table mysql.event 091112 15:17:19 [ERROR] Event Scheduler: Error while loading from disk. 091112 15:17:19 [Note] Event Scheduler: Purging the queue. 0 events 091112 15:17:19 [ERROR] Aborting however, if you start event scheduler normally, then make the table read-only, flush tables and try create an event, we get a more informative error: mysql> CREATE EVENT myevent -> ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR -> DO -> UPDATE myschema.mytable SET mycol = mycol + 1; ERROR 1036 (HY000): Table 'event' is read only How to repeat: make event.MYI, event.MYD, event.frm readonly. mysqld --event-scheduler=1 try establish from error log why server didn't start.. Suggested fix: this is a feature request to print a more precise error message instead of "Error while loading from disk".