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Viewing changes to mysql-test/include/wait_condition.inc

  • Committer: brian
  • Date: 2008-06-25 05:29:13 UTC
  • Revision ID: brian@localhost.localdomain-20080625052913-6upwo0jsrl4lnapl
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mysql-test/include/wait_condition.inc
 
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# include/wait_condition.inc
 
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#
 
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# SUMMARY
 
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#
 
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#    Waits until the passed statement returns true, or the operation
 
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#    times out.
 
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#
 
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# USAGE
 
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#
 
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#    let $wait_condition=
 
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#      SELECT c = 3 FROM t;
 
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#    --source include/wait_condition.inc
 
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#
 
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#   OR
 
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#
 
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#    let $wait_timeout= 60; # Override default 30 seconds with 60.
 
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#    let $wait_condition=
 
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#      SELECT c = 3 FROM t;
 
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#    --source include/wait_condition.inc
 
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#    --echo Executed the test condition $wait_condition_reps times
 
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#
 
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# EXAMPLE
 
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#    events_bugs.test, events_time_zone.test
 
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#
 
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--disable_query_log
 
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let $wait_counter= 300;
 
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if ($wait_timeout)
 
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{
 
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  let $wait_counter= `SELECT $wait_timeout * 10`;
 
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}
 
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# Reset $wait_timeout so that its value won't be used on subsequent
 
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# calls, and default will be used instead.
 
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let $wait_timeout= 0;
 
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# Keep track of how many times the wait condition is tested
 
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# This is used by some tests (e.g., main.status)
 
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let $wait_condition_reps= 0;
 
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while ($wait_counter)
 
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{
 
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    let $success= `$wait_condition`;
 
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    inc $wait_condition_reps;
 
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    if ($success)
 
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    {
 
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        let $wait_counter= 0;
 
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    }
 
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    if (!$success)
 
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    {
 
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        real_sleep 0.1;
 
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        dec $wait_counter;
 
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    }
 
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}
 
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if (!$success)
 
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{
 
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  echo Timeout in wait_condition.inc for $wait_condition;
 
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}
 
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--enable_query_log