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Currently SQL_BIG_RESULT is checked only at compile time. However, additional optimizations may take place after this check that change the sort method from 'filesort' to sorting via index. As a result the actual plan executed is not the one specified by the SQL_BIG_RESULT hint. Similarly, there is no such test when executing EXPLAIN, resulting in incorrect output. The patch corrects the problem by testing for SQL_BIG_RESULT both during the explain and execution phases.
14 lines
366 B
Text
14 lines
366 B
Text
# t/innodb_mysql.test
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#
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# Last update:
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# 2006-07-26 ML test refactored (MySQL 5.1)
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# main testing code t/innodb_mysql.test -> include/mix1.inc
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#
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-- source include/have_innodb.inc
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let $engine_type= InnoDB;
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let $other_engine_type= MEMORY;
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# InnoDB does support FOREIGN KEYFOREIGN KEYs
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let $test_foreign_keys= 1;
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--source include/mix1.inc
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