[jira] [Created] (CALCITE-5788) Order of metadata handler methods is inconsistent in different java versions

["Julian Hyde (Jira)" <ji...@apache.org>]

Julian Hyde created CALCITE-5788:
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             Summary: Order of metadata handler methods is inconsistent in different java versions
                 Key: CALCITE-5788
                 URL: https://issues.apache.org/jira/browse/CALCITE-5788
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde


The order of metadata handler methods is inconsistent in different java versions. The effect is that if you add a new metadata class with two or more methods (such as {{BuiltInMetadata.Measure}} in [julianhyde/4496-measure.16|https://github.com/julianhyde/calcite/tree/4496-measure.16]), you may get assertion failures when running under JDK 8 or 11 but not running under JDK 17:

{noformat}
$ ./gradlew :babel:test --tests BabelTest.testInfixCast
JAVA_HOME is /usr/lib/jvm/jdk-11
java version "11.0.18" 2023-01-17 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.18+9-LTS-195)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.18+9-LTS-195, mixed mode)

> Configure project :
Building Apache Calcite 1.35.0-SNAPSHOT

> Task :core:compileJava
Could not load entry 6c654d63a2c430f60f4f91733541df12 from remote build cache: Bucket 'calcite-gradle-cache' not found
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

> Task :babel:test FAILED
FAILURE   0.8sec, org.apache.calcite.test.BabelTest > testInfixCast()
    java.lang.AssertionError
        at org.apache.calcite.rel.metadata.MetadataDef.<init>(MetadataDef.java:53)
        at org.apache.calcite.rel.metadata.MetadataDef.of(MetadataDef.java:63)
        at org.apache.calcite.rel.metadata.BuiltInMetadata$Measure.<clinit>(BuiltInMetadata.java:842)
        at org.apache.calcite.rel.metadata.RelMdMeasure.getDef(RelMdMeasure.java:43)
        at org.apache.calcite.rel.metadata.ReflectiveRelMetadataProvider.reflectiveSource(ReflectiveRelMetadataProvider.java:134)
        at org.apache.calcite.rel.metadata.RelMdMeasure.<clinit>(RelMdMeasure.java:40)
        at org.apache.calcite.rel.metadata.DefaultRelMetadataProvider.<init>(DefaultRelMetadataProvider.java:42)
        at org.apache.calcite.rel.metadata.DefaultRelMetadataProvider.<clinit>(DefaultRelMetadataProvider.java:28)
        at org.apache.calcite.plan.RelOptCluster.<init>(RelOptCluster.java:97)
        at org.apache.calcite.plan.RelOptCluster.create(RelOptCluster.java:106)
        at org.apache.calcite.prepare.CalcitePrepareImpl.createCluster(CalcitePrepareImpl.java:414)
        at org.apache.calcite.prepare.CalcitePrepareImpl.getPreparingStmt(CalcitePrepareImpl.java:554)
        at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:523)
        at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:492)
        at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:236)
        at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:630)
        at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:677)
        at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:157)
        at org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:228)
        at org.apache.calcite.test.BabelTest.checkInfixCast(BabelTest.java:104)
        at org.apache.calcite.test.BabelTest.testInfixCast(BabelTest.java:92)
{noformat}



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