Details
Minor Description
MariaDB [test]> START SLAVE ,,,,,,;
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Query OK, 0 rows affected, 1 warning (0.000 sec)
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The same also seems to apply to STOP SLAVE.
Looking at the code, we see that the syntax for it is defined as follows:
slave_thread_opt_list:
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slave_thread_opt
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| slave_thread_opt_list ',' slave_thread_opt
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;
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slave_thread_opt:
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/*empty*/ {}
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| SQL_THREAD { Lex->slave_thd_opt|=SLAVE_SQL; }
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| RELAY_THREAD { Lex->slave_thd_opt|=SLAVE_IO; }
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;
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I believe the empty value should be in slave_thread_opt_list and not in slave_thread_opt; this way an empty value or a list of SQL or IO thread variables is accepted.