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[Philip Stoev <philip@xxxxxxxxx>]

Public bug reported:

The DisableChosenPlan Validator performs initial probing of server
capabilities by using SET SESSION optimizer_switch=...' to determine
which options are supported.

If the CSV log is converted into an MTR test case, those SET SESSIONs
will end up in the test and influence the outcome and speed of
execution.

** Affects: randgen
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/897620

Title:
  DisableChosenPlan initial probing may break mysqltest simplification

Status in SQL Generator for testing SQL servers (MySQL, JavaDB, PostgreSQL):
  New

Bug description:
  The DisableChosenPlan Validator performs initial probing of server
  capabilities by using SET SESSION optimizer_switch=...' to determine
  which options are supported.

  If the CSV log is converted into an MTR test case, those SET SESSIONs
  will end up in the test and influence the outcome and speed of
  execution.

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