unknown 8e8ece72eb
Fixed bug #28188 : performance degradation for outer join queries to which ...
'not exists' optimization is applied.
In fact 'not exists' optimization did not work anymore after the patch
introducing the evaluate_join_record function had been applied.
Corrected the evaluate_join_record function to respect the 'not_exists'
optimization.
mysql-test/r/join_outer.result:
Added a test case for bug #28188 .
mysql-test/t/join_outer.test:
Added a test case for bug #28188 .
sql/sql_select.cc:
Fixed bug #28188 : performance degradation for outer join queries to which
'not exists' optimization is applied.
Corrected the evaluate_join_record function to respect the 'not_exists'
optimization.
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8e8ece72eb