Description:
Test 'greedy_optimizer' fails for me in current 5.0,
both with and without the option '--ps-protocol'.
This is a non-debug build: 'compile-pentium-max'.
Failure report:
-------------------------------------------------------
*** r/greedy_optimizer.result 2004-11-05 12:13:03.000000000 +0300
--- r/greedy_optimizer.reject 2004-12-14 12:22:04.000000000 +0300
***************
*** 122,132 ****
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where
! 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
! 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where
! 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
! 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
show status like 'Last_query_cost';
Variable_name Value
Last_query_cost 821.838037
--- 122,132 ----
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where
! 1 SIMPLE t6 ALL NULL NULL NULL NULL 18
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
+ 1 SIMPLE t4 ALL NULL NULL NULL NULL 12
+ 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using where
+ 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using where
show status like 'Last_query_cost';
Variable_name Value
Last_query_cost 821.838037
***************
*** 134,192 ****
...
Similar re-orderings and adding/dropping 'Using where' continue throughout that range of line numbers.
...
-------------------------------------------------------
Latest changeset on my PC:
ChangeSet@1.1738, 2004-12-14 13:41:32+03:00, gluh@gluh.mysql.r18.ru
Fix for bug #7223: information_schema: error in "views"
The error is older, as I got it already yesterday but did not yet report.
How to repeat:
Run the test suite.