ClickHouse/.github/ISSUE_TEMPLATE/80_backward-compatibility.md
2021-01-10 03:42:05 +03:00

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Backward compatibility issue Report the case when the behaviour of a new version can break existing use cases backward compatibility

(you don't have to strictly follow this form)

Describe the issue A clear and concise description of what works not as it is supposed to.

How to reproduce

  • Which ClickHouse server versions are incompatible
  • Which interface to use, if matters
  • Non-default settings, if any
  • CREATE TABLE statements for all tables involved
  • Sample data for all these tables, use clickhouse-obfuscator if necessary
  • Queries to run that lead to unexpected result

Error message and/or stacktrace If applicable, add screenshots to help explain your problem.

Additional context Add any other context about the problem here.