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Viewing changes to mysql-test/suite/large_tests/t/falcon_record_cache_memory_leak-big.test

  • Committer: brian
  • Date: 2008-06-25 05:29:13 UTC
  • Revision ID: brian@localhost.localdomain-20080625052913-6upwo0jsrl4lnapl
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mysql-test/suite/large_tests/t/falcon_record_cache_memory_leak-big.test
 
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--source include/have_falcon.inc
 
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--source include/big_test.inc
 
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#
 
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# Record cache memory leak test inspired by Kevin.
 
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#
 
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# Note: Original test is with loop count of
 
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#   250000. For the big-test version we use loop count of 500k.
 
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# ----------------------------------------------------- #
 
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# --- Initialisation                                --- #
 
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# ----------------------------------------------------- #
 
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let $engine = 'Falcon';
 
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eval SET @@storage_engine = $engine;
 
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--disable_warnings
 
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DROP TABLE IF EXISTS t1;
 
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--enable_warnings
 
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CREATE TABLE t1 (c1 varchar(100));
 
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INSERT INTO t1 VALUES (repeat('A', 100));
 
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INSERT INTO t1 VALUES (repeat('B', 100));
 
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INSERT INTO t1 VALUES (repeat('C', 100));
 
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COMMIT;
 
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# ----------------------------------------------------- #
 
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# --- Test                                          --- #
 
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# ----------------------------------------------------- #
 
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BEGIN;
 
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# During this series of updates, there should be no increase in memory
 
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# since each previous record version should be freed once it is replaced.
 
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--disable_query_log
 
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let $i= 500000;
 
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while ($i)
 
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{
 
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    UPDATE t1 SET c1 = lower(c1);
 
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    UPDATE t1 SET c1 = upper(c1);
 
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    dec $i;
 
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}
 
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--enable_query_log
 
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COMMIT;
 
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# ----------------------------------------------------- #
 
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# --- Check                                         --- #
 
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# ----------------------------------------------------- #
 
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SELECT count(*) FROM t1;
 
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# ----------------------------------------------------- #
 
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# --- Final cleanup                                 --- #
 
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# ----------------------------------------------------- #
 
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DROP TABLE t1;