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17 lines
1.1 KiB
Text
17 lines
1.1 KiB
Text
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source include/have_debug.inc;
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#
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# MDEV-20079 When setting back the system time while mysqld is running, NOW() and UNIX_TIMESTAMP() results get stuck
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#
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set @old_dbug=@@debug_dbug;
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# because NOW() is taken at the beginning of the query and sysdate() is the actual
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# time when sysdate() was evaluated, they don't necessarily have to be equal.
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# but hopefully they're less than within a minute from each other.
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select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
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set @@debug_dbug='+d,system_time_plus_one_hour';
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select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
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set @@debug_dbug='+d,system_time_minus_one_hour:-d,system_time_plus_one_hour';
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select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
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set @@debug_dbug=@old_dbug;
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select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
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