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Danny Chan commented on CALCITE-3100: ------------------------------------- This is generated code: {code:java} return new org.apache.calcite.linq4j.AbstractEnumerable(){ public org.apache.calcite.linq4j.Enumerator enumerator() { return new org.apache.calcite.linq4j.Enumerator(){ public final org.apache.calcite.linq4j.Enumerator inputEnumerator = interpreter.enumerator(); public void reset() { inputEnumerator.reset(); } public boolean moveNext() { while (inputEnumerator.moveNext()) { // where exception throws out final Integer inp9_ = (Integer) ((Object[]) inputEnumerator.current())[9]; if (inp9_ != null && (Integer) root.get("?0") != null && inp9_ == ((Integer) root.get("?0")).intValue()) { return true; } } return false; } {code} > cast(? as DATE) won't work with PreparedStatement > ------------------------------------------------- > > Key: CALCITE-3100 > URL: https://issues.apache.org/jira/browse/CALCITE-3100 > Project: Calcite > Issue Type: Bug > Reporter: Li Xian > Assignee: Danny Chan > Priority: Minor > > When I do something like > > {code:java} > Connection connection = > DriverManager.getConnection("jdbc:calcite:", info); > PreparedStatement ps = connection.prepareStatement("select * from EMPS where > JOINEDAT=cast(? as DATE)"); > ps.setString(1, "1996-08-03"); > ps.execute();{code} > > It will produce error like below > > {code:java} > java.sql.SQLException: exception while executing query: java.lang.String > cannot be cast to java.lang.Integer > at org.apache.calcite.avatica.Helper.createException(Helper.java:56) > at org.apache.calcite.avatica.Helper.createException(Helper.java:41) > at > org.apache.calcite.avatica.AvaticaConnection.executeQueryInternal(AvaticaConnection.java:577) > at > org.apache.calcite.avatica.AvaticaPreparedStatement.execute(AvaticaPreparedStatement.java:239) > at org.apache.calcite.test.CsvTest.testDate(CsvTest.java:185) > 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:498) > 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$2.evaluate(ParentRunner.java:268) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) > at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to > java.lang.Integer > at Baz$1$1.moveNext(Unknown Source) > at > org.apache.calcite.linq4j.Linq4j$EnumeratorIterator.<init>(Linq4j.java:675) > at org.apache.calcite.linq4j.Linq4j.enumeratorIterator(Linq4j.java:95) > at > org.apache.calcite.linq4j.AbstractEnumerable.iterator(AbstractEnumerable.java:33) > at org.apache.calcite.avatica.MetaImpl.createCursor(MetaImpl.java:90) > at > org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:184) > at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:64) > at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:43) > at > org.apache.calcite.avatica.AvaticaConnection.executeQueryInternal(AvaticaConnection.java:573) > ... 24 more > {code} > > It looks like that the 'cast' clause doesn't make effect here with the '?' > placeholder parameter. > I am able to reproduce this error by adding the below testcase to > org.apache.calcite.test.CsvTest and run it > {code:java} > @Test > public void testDate() throws Exception { > Properties info = new Properties(); > info.put("model", jsonPath("model")); > Connection connection = > DriverManager.getConnection("jdbc:calcite:", info); > PreparedStatement ps = connection.prepareStatement("select * from EMPS > where JOINEDAT=cast(? as DATE)"); > ps.setString(1, "1996-08-03"); > ps.execute(); > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)