[ https://issues.apache.org/jira/browse/FLINK-8077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
yuqi closed FLINK-8077. ----------------------- Resolution: Not A Problem > Can't distinguish overloaded user-defined functions that have Double and > BigDecimal arguments > --------------------------------------------------------------------------------------------- > > Key: FLINK-8077 > URL: https://issues.apache.org/jira/browse/FLINK-8077 > Project: Flink > Issue Type: Bug > Affects Versions: 1.3.2 > Reporter: yuqi > Fix For: 1.4.0 > > > We define a udf function class have two function as follows > {code:java} > public double toDouble(Double var) { > return var; > } > > public double toDouble(Double var) { > return var; > } > {code} > when use it in sql like: > {code:sql} > select sum(price) from tb; > {code} > where price is a double value in tb, exception occurs: > {code:java} > java.lang.AssertionError: DECIMAL(19, 0) > at > org.apache.calcite.sql.type.SqlTypeExplicitPrecedenceList.compareTypePrecedence(SqlTypeExplicitPrecedenceList.java:154) > at org.apache.calcite.sql.SqlUtil.bestMatch(SqlUtil.java:626) > at > org.apache.calcite.sql.SqlUtil.filterRoutinesByTypePrecedence(SqlUtil.java:592) > at > org.apache.calcite.sql.SqlUtil.lookupSubjectRoutines(SqlUtil.java:446) > 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$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5371) > at > org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5358) > at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:138) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1592) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1577) > at org.apache.calcite.sql.SqlNode.validateExpr(SqlNode.java:236) > at org.apache.calcite.sql.SqlOperator.validateCall(SqlOperator.java:407) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.validateCall(SqlValidatorImpl.java:5081) > at org.apache.calcite.sql.SqlCall.validate(SqlCall.java:115) > at org.apache.calcite.sql.SqlNode.validateExpr(SqlNode.java:235) > at org.apache.calcite.sql.SqlOperator.validateCall(SqlOperator.java:407) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.validateCall(SqlValidatorImpl.java:5081) > at org.apache.calcite.sql.SqlCall.validate(SqlCall.java:115) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:901) > at > org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:611) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:551) > at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:263) > at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:229) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:786) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:640) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:610) > at > org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:221) > at > org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:603) > at > org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:638) > at > org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:149) > at > org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:218) > at > org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:564) > at > org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1337) > at > org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1320) > at > org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1284) > at > org.apache.calcite.test.UdfTest.testDoubleAndDecimal(UdfTest.java:896) > 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} -- This message was sent by Atlassian JIRA (v6.4.14#64029)