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[jira] [Created] (CALCITE-2598) Failure in RexProgramFuzzyTest


Julian Hyde created CALCITE-2598:
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             Summary: Failure in RexProgramFuzzyTest
                 Key: CALCITE-2598
                 URL: https://issues.apache.org/jira/browse/CALCITE-2598
             Project: Calcite
          Issue Type: Task
            Reporter: Julian Hyde
            Assignee: Julian Hyde


I got the following failure in RexProgramFuzzyTest. Is it a duplicate issue?

{noformat}
2018-09-28 03:52:59,737 [pool-1-thread-1] INFO  - Using seed 44 for rex fuzzing
2018-09-28 03:52:59,748 [pool-1-thread-1] INFO  - Rex fuzzing results: number of cases tested=18, failed cases=0, duplicate failures=0, fuzz rate=1636 per second
2018-09-28 03:52:59,751 [pool-1-thread-1] INFO  - Rex fuzzing results: number of cases tested=2, failed cases=1, duplicate failures=0, fuzz rate=666 per second
2018-09-28 03:52:59,754 [pool-1-thread-1] INFO  - Randomized test identified a potential defect. Feel free to fix that issue
java.lang.AssertionError: COALESCE(CASE(IS NOT FALSE(true), -(COALESCE(CAST(-1):INTEGER, null, ?0.notNullInt1), *(CAST(100500):INTEGER, ?0.notNullInt0)), -(+(-1990568273))), +(-(COALESCE(null, ?0.notNullInt0, ?0.notNullInt0))))
coalesce(case_(isNotFalse(trueLiteral), sub(coalesce(rexBuilder.makeCall(SqlStdOperatorTable.CAST, literal(-1)), nullInt, vIntNotNull(1)), rexBuilder.makeCall(SqlStdOperatorTable.*, rexBuilder.makeCall(SqlStdOperatorTable.CAST, literal(100500)), vIntNotNull(0))), unaryMinus(unaryPlus(literal(-1990568273)))), unaryPlus(unaryMinus(coalesce(nullInt, vIntNotNull(0), vIntNotNull(0))))) had non-nullable type INTEGER, and it was optimized to CASE(IS NOT FALSE(true), -(COALESCE(CAST(-1):INTEGER, null, ?0.notNullInt1), *(CAST(100500):INTEGER, ?0.notNullInt0)), -(+(-1990568273)))
case_(isNotFalse(trueLiteral), sub(coalesce(rexBuilder.makeCall(SqlStdOperatorTable.CAST, literal(-1)), nullInt, vIntNotNull(1)), rexBuilder.makeCall(SqlStdOperatorTable.*, rexBuilder.makeCall(SqlStdOperatorTable.CAST, literal(100500)), vIntNotNull(0))), unaryMinus(unaryPlus(literal(-1990568273)))) that has nullable type INTEGER, unknownAsFalse {noformat}

I suggest that we append new failures to this case. If they are new issues, log new cases, but there is also a good chance that they are variants of, or related to, other open cases.

In this case, it could be one of the two COALESCE issues already open.



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