Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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5.5, 10.0, 10.1
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Red Hat Enterprise Linux Server release 6.5 (Santiago)
Linux 2.6.32-431.46.2.el6.x86_64 #1 SMP Mon Dec 15 14:20:02 EST 2014 x86_64 x86_64 x86_64 GNU/Linux
Description
When the server is running in read_only mode, and when connected as a user that does not have the SUPER privilege, it is possible to create a real table if a temporary table with the same name already exists.
MariaDB [test]> CREATE TABLE test1 (id INT);
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ERROR 1290 (HY000): The MariaDB server is running with the --read-only option so it cannot execute this statement
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MariaDB [test]> CREATE TEMPORARY TABLE test1 (id INT);
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Query OK, 0 rows affected (0.00 sec)
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MariaDB [test]> CREATE TABLE test1 (id INT);
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Query OK, 0 rows affected (0.01 sec)
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MariaDB [test]> DROP TEMPORARY TABLE test1;
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Query OK, 0 rows affected (0.00 sec)
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MariaDB [test]> DESCRIBE test1;
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+-------+---------+------+-----+---------+-------+
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| Field | Type | Null | Key | Default | Extra |
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+-------+---------+------+-----+---------+-------+
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| id | int(11) | YES | | NULL | |
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+-------+---------+------+-----+---------+-------+
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1 row in set (0.00 sec)
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As you can see, the real table persists.
Incidentally, this happens both when binary logging is enabled and when it is not.
