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# include/wait_condition.inc
#
# SUMMARY
#
# Waits until the passed statement returns true, or the operation
# times out.
#
# USAGE
#
# let $wait_condition=
# SELECT c = 3 FROM t;
# --source include/wait_condition.inc
#
# OR
#
# let $wait_timeout= 60; # Override default 30 seconds with 60.
# let $wait_condition=
# SELECT c = 3 FROM t;
# --source include/wait_condition.inc
# --echo Executed the test condition $wait_condition_reps times
#
# EXAMPLE
# events_bugs.test, events_time_zone.test
#
--disable_query_log
let $wait_counter= 300;
if ($wait_timeout)
{
let $wait_counter= `SELECT $wait_timeout * 10`;
}
# Reset $wait_timeout so that its value won't be used on subsequent
# calls, and default will be used instead.
let $wait_timeout= 0;
# Keep track of how many times the wait condition is tested
# This is used by some tests (e.g., main.status)
let $wait_condition_reps= 0;
while ($wait_counter)
{
--error 0,ER_NO_SUCH_TABLE,ER_LOCK_WAIT_TIMEOUT,ER_UNKNOWN_COM_ERROR,ER_LOCK_DEADLOCK
let $success= `$wait_condition`;
inc $wait_condition_reps;
if ($success)
{
let $wait_counter= 0;
}
if (!$success)
{
real_sleep 0.1;
dec $wait_counter;
}
}
if (!$success)
{
echo Timeout in wait_condition.inc for $wait_condition;
show full processlist;
}
--enable_query_log
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