Details
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Bug
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Status: Done
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Medium
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Resolution: Fixed
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None
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None
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None
Description
From 3rd party contribution: https://github.com/percona/percona-toolkit/pull/230#issuecomment-308564024
The P parameter can be undefined in DSNs, resulting in the skip-check-slave-lag feature in pt-table-checksum puking trying to compare undefs.
This handles that check a little more safely.