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MDEV-4506: Parallel replication: Intermediate commit

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Move the deferred event stuff from Relay_log_info to rpl_group_info
to make it thread safe for parallel replication.
This commit is contained in:
unknown 2013-07-12 14:36:20 +02:00
commit ba4b937af2
12 changed files with 89 additions and 86 deletions
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71
sql/rpl_rli.h
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@ -403,41 +403,6 @@ public:
The timestamp is set and reset in @c sql_slave_killed().
*/
time_t last_event_start_time;
/*
A container to hold on Intvar-, Rand-, Uservar- log-events in case
the slave is configured with table filtering rules.
The withhold events are executed when their parent Query destiny is
determined for execution as well.
*/
Deferred_log_events *deferred_events;
/*
State of the container: true stands for IRU events gathering,
false does for execution, either deferred or direct.
*/
bool deferred_events_collecting;
/*
Returns true if the argument event resides in the containter;
more specifically, the checking is done against the last added event.
*/
bool is_deferred_event(Log_event * ev)
{
return deferred_events_collecting ? deferred_events->is_last(ev) : false;
};
/* The general cleanup that slave applier may need at the end of query. */
inline void cleanup_after_query()
{
if (deferred_events)
deferred_events->rewind();
};
/* The general cleanup that slave applier may need at the end of session. */
void cleanup_after_session()
{
if (deferred_events)
delete deferred_events;
};
/**
Helper function to do after statement completion.
@ -581,6 +546,7 @@ public:
private:
/* ToDo: This must be moved to rpl_group_info. */
uint32 m_flags;
/*
@ -645,6 +611,41 @@ struct rpl_group_info
rpl_group_info(Relay_log_info *rli_);
~rpl_group_info() { };
/*
A container to hold on Intvar-, Rand-, Uservar- log-events in case
the slave is configured with table filtering rules.
The withhold events are executed when their parent Query destiny is
determined for execution as well.
*/
Deferred_log_events *deferred_events;
/*
State of the container: true stands for IRU events gathering,
false does for execution, either deferred or direct.
*/
bool deferred_events_collecting;
/*
Returns true if the argument event resides in the containter;
more specifically, the checking is done against the last added event.
*/
bool is_deferred_event(Log_event * ev)
{
return deferred_events_collecting ? deferred_events->is_last(ev) : false;
};
/* The general cleanup that slave applier may need at the end of query. */
inline void cleanup_after_query()
{
if (deferred_events)
deferred_events->rewind();
};
/* The general cleanup that slave applier may need at the end of session. */
void cleanup_after_session()
{
if (deferred_events)
delete deferred_events;
};
};