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9094e97aed
Adding new fields Last_{IO,SQL}_Errno and Last_{IO,SQL}_Error to output
of SHOW SLAVE STATUS to hold errors from I/O and SQL thread respectively.
Old fields Last_Error and Last_Errno are aliases for Last_SQL_Error and
Last_SQL_Errno respectively.
Fields are added last to output of SHOW SLAVE STATUS to allow old applications
to use the same positional arguments into the row, while allowing new
application to benefit from the added information.
In addition, some new error codes are added (especially for the I/O
thread) to be able to provide sensible error message.
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
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#include "mysql_priv.h"
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#include "rpl_reporting.h"
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void
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Slave_reporting_capability::report(loglevel level, int err_code, const char *msg, ...)
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{
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void (*report_function)(const char *, ...);
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char buff[MAX_SLAVE_ERRMSG];
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char *pbuff= buff;
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uint pbuffsize= sizeof(buff);
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va_list args;
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va_start(args, msg);
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switch (level)
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{
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case ERROR_LEVEL:
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/*
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It's an error, it must be reported in Last_error and Last_errno in SHOW
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SLAVE STATUS.
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*/
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pbuff= last_error.message;
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pbuffsize= sizeof(last_error.message);
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last_error.number = err_code;
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report_function= sql_print_error;
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break;
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case WARNING_LEVEL:
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report_function= sql_print_warning;
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break;
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case INFORMATION_LEVEL:
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report_function= sql_print_information;
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break;
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default:
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DBUG_ASSERT(0); // should not come here
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return; // don't crash production builds, just do nothing
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}
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my_vsnprintf(pbuff, pbuffsize, msg, args);
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va_end(args);
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/* If the msg string ends with '.', do not add a ',' it would be ugly */
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report_function("Slave %s: %s%s Error_code: %d",
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m_thread_name, pbuff,
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(pbuff[0] && *(strend(pbuff)-1) == '.') ? "" : ",",
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err_code);
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}
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