[FLINK-4590] Some Table API tests are failing when debug lvl is set to DEBUG

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.0
• Fix Version/s: 1.2.0
• Component/s: Table SQL / API
• Assignee: Timo Walther
• Reporter: Robert Metzger
• Created: 07/Sep/16 11:45
• Updated: 26/Sep/16 16:55
• Resolved: 26/Sep/16 16:55

Description

For debugging another issue, I've set the log level on travis to DEBUG.
After that, the Table API tests started failing

Failed tests: 
  SetOperatorsITCase.testMinusAll:156 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusAll:156 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusAll:156 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusAll:156 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusDifferentFieldNames:204 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusDifferentFieldNames:204 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusDifferentFieldNames:204 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinusDifferentFieldNames:204 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinus:175 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinus:175 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinus:175 Internal error: Error occurred while applying rule DataSetScanRule
  SetOperatorsITCase.testMinus:175 Internal error: Error occurred while applying rule DataSetScanRule

Probably Calcite is executing additional assertions depending on the debug level.

Issue Links

• links to: GitHub Pull Request #2504