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-rw-r--r--sql/sql_join_cache.cc10
1 files changed, 5 insertions, 5 deletions
diff --git a/sql/sql_join_cache.cc b/sql/sql_join_cache.cc
index fb8660aa79d..b8231c6285b 100644
--- a/sql/sql_join_cache.cc
+++ b/sql/sql_join_cache.cc
@@ -2248,7 +2248,7 @@ enum_nested_loop_state JOIN_CACHE::join_matching_records(bool skip_last)
goto finish2;
/* Prepare to retrieve all records of the joined table */
- if ((error= join_tab_scan->open()))
+ if (unlikely((error= join_tab_scan->open())))
{
/*
TODO: if we get here, we will assert in net_send_statement(). Add test
@@ -2259,7 +2259,7 @@ enum_nested_loop_state JOIN_CACHE::join_matching_records(bool skip_last)
while (!(error= join_tab_scan->next()))
{
- if (join->thd->check_killed())
+ if (unlikely(join->thd->check_killed()))
{
/* The user has aborted the execution of the query */
join->thd->send_kill_message();
@@ -2411,7 +2411,7 @@ enum_nested_loop_state JOIN_CACHE::generate_full_extensions(uchar *rec_ptr)
DBUG_RETURN(rc);
}
}
- else if (join->thd->is_error())
+ else if (unlikely(join->thd->is_error()))
rc= NESTED_LOOP_ERROR;
DBUG_RETURN(rc);
}
@@ -2533,7 +2533,7 @@ enum_nested_loop_state JOIN_CACHE::join_null_complements(bool skip_last)
for ( ; cnt; cnt--)
{
- if (join->thd->check_killed())
+ if (unlikely(join->thd->check_killed()))
{
/* The user has aborted the execution of the query */
join->thd->send_kill_message();
@@ -3392,7 +3392,7 @@ int JOIN_TAB_SCAN::next()
while (!err && select && (skip_rc= select->skip_record(thd)) <= 0)
{
- if (thd->check_killed() || skip_rc < 0)
+ if (unlikely(thd->check_killed()) || skip_rc < 0)
return 1;
/*
Move to the next record if the last retrieved record does not