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mysql-5.5 merge

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This commit is contained in:
Sergei Golubchik
2012-06-14 20:05:31 +02:00
parent d2ca6d2e7f 326b40c9c8
commit 0522307ed1
63 changed files with 1078 additions and 78 deletions
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66
sql/rpl_utility.cc
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@ -19,6 +19,7 @@
#ifndef MYSQL_CLIENT
#include "unireg.h" // REQUIRED by later includes
#include "rpl_rli.h"
#include "log_event.h"
#include "sql_select.h"
/**
@ -1057,6 +1058,7 @@ table_def::~table_def()
#endif
}
/**
@param even_buf point to the buffer containing serialized event
@param event_len length of the event accounting possible checksum alg
@ -1112,3 +1114,67 @@ bool event_checksum_test(uchar *event_buf, ulong event_len, uint8 alg)
}
return DBUG_EVALUATE_IF("simulate_checksum_test_failure", TRUE, res);
}
#if defined(MYSQL_SERVER) && defined(HAVE_REPLICATION)
Deferred_log_events::Deferred_log_events(Relay_log_info *rli) : last_added(NULL)
{
my_init_dynamic_array(&array, sizeof(Log_event *), 32, 16);
}
Deferred_log_events::~Deferred_log_events()
{
delete_dynamic(&array);
}
int Deferred_log_events::add(Log_event *ev)
{
last_added= ev;
insert_dynamic(&array, (uchar*) &ev);
return 0;
}
bool Deferred_log_events::is_empty()
{
return array.elements == 0;
}
bool Deferred_log_events::execute(Relay_log_info *rli)
{
bool res= false;
DBUG_ASSERT(rli->deferred_events_collecting);
rli->deferred_events_collecting= false;
for (uint i= 0; !res && i < array.elements; i++)
{
Log_event *ev= (* (Log_event **)
dynamic_array_ptr(&array, i));
res= ev->apply_event(rli);
}
rli->deferred_events_collecting= true;
return res;
}
void Deferred_log_events::rewind()
{
/*
Reset preceeding Query log event events which execution was
deferred because of slave side filtering.
*/
if (!is_empty())
{
for (uint i= 0; i < array.elements; i++)
{
Log_event *ev= *(Log_event **) dynamic_array_ptr(&array, i);
delete ev;
}
if (array.elements > array.max_element)
freeze_size(&array);
reset_dynamic(&array);
}
}
#endif