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Add likely/unlikely to speed up execution

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Added to:
- if (error)
- Lex
- sql_yacc.yy and sql_yacc_ora.yy
- In header files to alloc() calls
- Added thd argument to thd_net_is_killed()
This commit is contained in:
Monty
2018-04-04 12:16:12 +03:00
parent a22a339f8e
commit 30ebc3ee9e
118 changed files with 4874 additions and 4440 deletions
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8
sql/rpl_injector.cc
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@ -105,7 +105,7 @@ int injector::transaction::use_table(server_id_type sid, table tbl)
int error;
if ((error= check_state(TABLE_STATE)))
if (unlikely((error= check_state(TABLE_STATE))))
DBUG_RETURN(error);
server_id_type save_id= m_thd->variables.server_id;
@ -180,7 +180,8 @@ void injector::new_trans(THD *thd, injector::transaction *ptr)
int injector::record_incident(THD *thd, Incident incident)
{
Incident_log_event ev(thd, incident);
if (int error= mysql_bin_log.write(&ev))
int error;
if (unlikely((error= mysql_bin_log.write(&ev))))
return error;
return mysql_bin_log.rotate_and_purge(true);
}
@ -189,7 +190,8 @@ int injector::record_incident(THD *thd, Incident incident,
const LEX_CSTRING *message)
{
Incident_log_event ev(thd, incident, message);
if (int error= mysql_bin_log.write(&ev))
int error;
if (unlikely((error= mysql_bin_log.write(&ev))))
return error;
return mysql_bin_log.rotate_and_purge(true);
}