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BUG#47027 delegates_init() failure is not user friendly (usability issue)

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Function delegetas_init() did not report proper error messages
when there are failures, which made it hard to know where the problem
occurred.

Fixed the problem by adding specific error message for every possible
place that can fail. And since these failures are supposed to never
happen, ask the user to report a bug if they happened.
This commit is contained in:
He Zhenxing
2010-11-04 13:29:16 +08:00
parent ce15a40d71
commit 04673ee770
2 changed files with 25 additions and 4 deletions
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21
sql/rpl_handler.cc
View File

@ -105,12 +105,20 @@ int delegates_init()
transaction_delegate= new (place_trans_mem) Trans_delegate;
if (!transaction_delegate->is_inited())
{
sql_print_error("Initialization of transaction delegates failed. "
"Please report a bug.");
return 1;
}
binlog_storage_delegate= new (place_storage_mem) Binlog_storage_delegate;
if (!binlog_storage_delegate->is_inited())
{
sql_print_error("Initialization binlog storage delegates failed. "
"Please report a bug.");
return 1;
}
#ifdef HAVE_REPLICATION
void *place_transmit_mem= transmit_mem.data;
@ -119,16 +127,29 @@ int delegates_init()
binlog_transmit_delegate= new (place_transmit_mem) Binlog_transmit_delegate;
if (!binlog_transmit_delegate->is_inited())
{
sql_print_error("Initialization of binlog transmit delegates failed. "
"Please report a bug.");
return 1;
}
binlog_relay_io_delegate= new (place_relay_io_mem) Binlog_relay_IO_delegate;
if (!binlog_relay_io_delegate->is_inited())
{
sql_print_error("Initialization binlog relay IO delegates failed. "
"Please report a bug.");
return 1;
}
#endif
if (pthread_key_create(&RPL_TRANS_BINLOG_INFO, NULL))
{
sql_print_error("Error while creating pthread specific data key for replication. "
"Please report a bug.");
return 1;
}
return 0;
}