MDEV-19866 follow-up

Cherry-picking the fix for MDEV-19866 changes the behavior of
the Spider slightly. So, I modified a existing test to match
the new behavior.

storage/spider/mysql-test/spider/bugfix/r/mdev_20100.result

@@ -78,16 +78,16 @@ a	b	c
 connection child2_1;
 SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
 argument
-select `a`,`b`,`c` from `auto_test_remote`.`ta_r3` where (`b` = 'c')
+select t0.`a` `a`,t0.`b` `b`,t0.`c` `c` from `auto_test_remote`.`ta_r3` t0 where (t0.`b` = 'c')
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r2`
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r3`
-select `a`,`b`,`c` from `auto_test_remote`.`ta_r4` where (`b` = 'c')
+select t0.`a` `a`,t0.`b` `b`,t0.`c` `c` from `auto_test_remote`.`ta_r4` t0 where (t0.`b` = 'c')
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r2`
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r3`
-select `a`,`b`,`c` from `auto_test_remote`.`ta_r2` where (`b` = 'c')
+select t0.`a` `a`,t0.`b` `b`,t0.`c` `c` from `auto_test_remote`.`ta_r2` t0 where (t0.`b` = 'c')
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r2`
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r4`
-select `a`,`b`,`c` from `auto_test_remote`.`ta_r2` where (`b` = 'c')
+select t0.`a` `a`,t0.`b` `b`,t0.`c` `c` from `auto_test_remote`.`ta_r2` t0 where (t0.`b` = 'c')
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r3`
 select `a`,`b`,`c` from `auto_test_remote`.`ta_r4`
 SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'