Details
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Bug
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10, 10.11
Description
I have been keeping track of what errors are reported by the server and noticed the following. For basically the same issue:
Can't execute init_slave query
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I have seen all these errors:
Internal MariaDB error code: 1046
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Internal MariaDB error code: 1064
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Internal MariaDB error code: 1193
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Internal MariaDB error code: 1231
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Internal MariaDB error code: 1054
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Internal MariaDB error code: 1237
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This is confusing, and it affects testing as other issues are being missed due to all these errors being filtered. Here is perror output for these errors:
$ ./bin/perror 1046
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MariaDB error code 1046 (ER_NO_DB_ERROR): No database selected
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$ ./bin/perror 1064
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MariaDB error code 1064 (ER_PARSE_ERROR): %s near '%-.80T' at line %d
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$ ./bin/perror 1193
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MariaDB error code 1193 (ER_UNKNOWN_SYSTEM_VARIABLE): Unknown system variable '%-.*s'
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$ ./bin/perror 1231
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MariaDB error code 1231 (ER_WRONG_VALUE_FOR_VAR): Variable '%-.64s' can't be set to the value of '%-.200T'
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$ ./bin/perror 1054
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MariaDB error code 1054 (ER_BAD_FIELD_ERROR): Unknown column '%-.192s' in '%-.192s'
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$ ./bin/perror 1237
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MariaDB error code 1237 (ER_SLAVE_IGNORED_TABLE): Slave SQL thread ignored the query because of replicate-*-table rules
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This bug report to create a single new error code which is hit whenever the slave cannot execute the init_slave query for any reason.
Testing wise, that error can then be filtered and all the errors above can be unfiltered.
For users, some resolution (the underlying cause for the Can't execute init_slave query failure) may be missed this way, but in return there will be a single automatable error.
Then again, perhaps there is another way to achieve this resolution? For example how about (fictive):
$ ./bin/perror 9999
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MariaDB error code 9999 (ER_INIT_SLAVE_ERROR): Can't execute init_slave query due to MariaDB error code [1046/1064/.../1237/...]: Check ./bin/perror [1046/1064/.../1237/...] for more info
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