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Post-push fix to disable a subset of the test case for Bug#47762.

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This has been back-ported from 6.0 as the problems proved to afflict 
5.1 as well.
The fix exposed two new bugs. They were reported as follows.
      
Bug no 52174: Sometimes wrong plan when reading a MAX value 
from non-NULL index
      
Bug no 52173: Reading NULL value from non-NULL index gives wrong 
result in embedded server 
      
Both bugs taken together affect a much smaller class of queries than #47762, 
so the fix stays for now.
This commit is contained in:
Martin Hansson
2010-03-19 09:23:44 +01:00
parent 879b705342
commit d03133dccf
3 changed files with 26 additions and 8 deletions
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12
mysql-test/t/group_min_max.test
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@@ -1070,6 +1070,18 @@ DROP TABLE t1;
--echo ## Test for NOT NULLs
CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2), (3);
--echo #
--echo # NULL-safe operator test disabled for non-NULL indexed columns.
--echo #
--echo # See bugs
--echo #
--echo # - Bug#52173: Reading NULL value from non-NULL index gives
--echo # wrong result in embedded server
--echo #
--echo # - Bug#52174: Sometimes wrong plan when reading a MAX value from
--echo # non-NULL index
--echo #
--let $skip_null_safe_test= 1
--source include/min_null_cond.inc
DROP TABLE t1;