Changed time -> query_time in slow query log.

Fixed Rows_examined in slow query log.

Docs/manual.texi

@@ -46843,6 +46843,8 @@ not yet 100% confident in this code.
 @appendixsubsec Changes in release 3.23.44
 @itemize @bullet
 @item
+Fixed @code{Rows_examined} count in slow query log.
+@item
 Fixed bug when using a reference to a @code{AVG()} column in @code{HAVING}.
 @item
 Fixed that date functions that require correct dates, like

sql/log.cc

@@ -858,7 +858,7 @@ bool MYSQL_LOG::write(THD *thd,const char *query, uint query_length,
       {
 	/* For slow query log */
 	if (my_b_printf(&log_file,
-			"# Time: %lu  Lock_time: %lu  Rows_sent: %lu  Rows_examined: %lu\n",
+			"# Query_time: %lu  Lock_time: %lu  Rows_sent: %lu  Rows_examined: %lu\n",
 			(ulong) (current_time - query_start),
 			(ulong) (thd->time_after_lock - query_start),
 			(ulong) thd->sent_row_count,

sql/sql_select.cc

@@ -4121,7 +4121,6 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
     bool not_used_in_distinct=join_tab->not_used_in_distinct;
     ha_rows found_records=join->found_records;
     READ_RECORD *info= &join_tab->read_record;
-    join->examined_rows++;
 
     do
     {
@@ -4130,6 +4129,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
 	my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
 	return -2;				/* purecov: inspected */
       }
+      join->examined_rows++;
       if (!on_expr || on_expr->val_int())
       {
 	found=1;