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https://issues.apache.org/jira/browse/CALCITE-1881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083884#comment-16083884
]
yuqi commented on CALCITE-1881:
-------------------------------
[~julianhyde]
I have make merge request for this issue, please help to review my code if
possible,thank you
> User-defined function can't identify Date and TimeStamp when both exist
> -----------------------------------------------------------------------
>
> Key: CALCITE-1881
> URL: https://issues.apache.org/jira/browse/CALCITE-1881
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.12.0
> Reporter: yuqi
> Assignee: Julian Hyde
>
> define user-define class with two mehtod:
> {code:java}
> evaluate(Date d);
> evaluate(TIMESTAMP t);
> {code}
> {code:java}
> The table is :
> CREATE TABLE file_source (
> name VARCHAR,
> d TIMESTAMP
> )
> {code}
> and the sql is :
> {code:java}
> CREATE TEMPORARY function 'TESTUDF' AS
> 'com.netease.sloth.server.actor.TestUDF';
> INSERT INTO db_sink SELECT name, TESTUDF(d) FROM file_source;
> {code}
> Calcite do not know which method should be call and get error:
> {code:java}
> java.lang.AssertionError
> at
> org.apache.calcite.sql.type.SqlTypeExplicitPrecedenceList.compareTypePrecedence(SqlTypeExplicitPrecedenceList.java:153)
> at org.apache.calcite.sql.SqlUtil.bestMatch(SqlUtil.java:627)
> at
> org.apache.calcite.sql.SqlUtil.filterRoutinesByTypePrecedence(SqlUtil.java:593)
> at
> org.apache.calcite.sql.SqlUtil.lookupSubjectRoutines(SqlUtil.java:447)
> at org.apache.calcite.sql.SqlUtil.lookupRoutine(SqlUtil.java:371)
> at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:245)
> at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:223)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4882)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:4869)
> at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:137)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1580)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1565)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:447)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:3671)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3180)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateInsert(SqlValidatorImpl.java:3845)
> at org.apache.calcite.sql.SqlInsert.validate(SqlInsert.java:148)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:887)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:597)
> at org.apache.calcite.prepare.PlannerImpl.validate(PlannerImpl.java:188)
> at
> com.netease.sloth.server.plan.SlothPlanner.parseSqlDml(SlothPlanner.java:670)
> at
> com.netease.sloth.server.actor.AbstractJobManager.handle(AbstractJobManager.java:165)
> at com.netease.sloth.server.actor.MyTest.testRunJobLocal(MyTest.java:60)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:262)
> at
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
> {code}
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