[CALCITE-4345] SUM CASE WHEN xxx THEN 1 without "ELSE" throws NPE in AggregateCaseToFilterRule

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.27.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Julian Hyde
• Reporter: Jiatao Tao
• Created: 19/Oct/20 08:59
• Updated: 03/Jun/21 22:32
• Resolved: 03/Nov/20 00:44

Description

Add a test in CsvTest:

 

@Test void testSumCaseWhenWithoutElse() throws SQLException {
  sql("model", "select sum( CASE WHEN empno=10 THEN 1 END ) from EMPS").ok();
}

Will throw NPE

 

Issue Links

• links to: GitHub Pull Request #2225