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Today's interesting MySQL Error Message

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You have to love error messages some times. Today is was “ERROR 1289 (HY000): The ‘UNKNOWN’ feature is disabled;”

For those interested.

mysql> select version();
+-------------+
| version()   |
+-------------+
| 6.0.0-alpha |
+-------------+
1 row in set (0.00 sec)
mysql> set session sql_mode=NO_ENGINE_SUBSTITUTION;
Query OK, 0 rows affected (0.00 sec)

mysql> create table T2 (id INT UNSIGNED NOT NULL) ENGINE=InnoDB;
ERROR 1289 (HY000): The 'UNKNOWN' feature is disabled; you need MySQL built with 'UNKNOWN'
to have it working

In this case it’s obviously something that’s not quite right, so being a good community contributor I raised a bug. You can read more at Bug #29373.

MySQL values the contributions from the community, even as trivial as documentation or error messages. If you have an inquiry raise it at the forums or the lists, or if it’s obviously an issue raise it in the Bugs System

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