[CALCITE-1765] Druid adapter fail when the extract granularity is not supported

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Fix Version/s: 1.13.0
• Component/s: druid-adapter
• Assignee: Julian Hyde
• Reporter: Slim Bouguerra
• Created: 27/Apr/17 15:54
• Updated: 27/Feb/24 22:23
• Resolved: 29/Apr/17 22:46

Description

Query like

 @Test public void testNotAcceptedKindOfExtract() {
    final String sql = "SELECT extract(week from \"timestamp\") from \"foodmart\" where "
        + "\"product_id\" = 1558 group by extract(week from \"timestamp\")";
    sql(sql).runs();
  }

will lead to a runtime exception

 ava.lang.AssertionError: not a json object: null

	at org.apache.calcite.adapter.druid.DruidQuery.writeObject(DruidQuery.java:860)
	at org.apache.calcite.adapter.druid.DruidQuery.writeArray(DruidQuery.java:840)
	at org.apache.calcite.adapter.druid.DruidQuery.writeObject(DruidQuery.java:856)
	at org.apache.calcite.adapter.druid.DruidQuery.writeField(DruidQuery.java:826)
	at org.apache.calcite.adapter.druid.DruidQuery.getQuery(DruidQuery.java:729)
	at org.apache.calcite.adapter.druid.DruidQuery.deriveQuerySpec(DruidQuery.java:479)
	at org.apache.calcite.adapter.druid.DruidQuery.getQuerySpec(DruidQuery.java:428)
	at org.apache.calcite.adapter.druid.DruidQuery.deriveRowType(DruidQuery.java:322)
	at org.apache.calcite.rel.AbstractRelNode.getRowType(AbstractRelNode.java:224)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:857)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:883)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1769)
	at org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:135)
	at org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:225)
	at org.apache.calcite.adapter.druid.DruidRules$DruidAggregateProjectRule.onMatch(DruidRules.java:448)
	at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:211)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:650)
	at org.apache.calcite.tools.Programs$5.run(Programs.java:326)
	at org.apache.calcite.tools.Programs$SequenceProgram.run(Programs.java:387)
	at org.apache.calcite.prepare.Prepare.optimize(Prepare.java:162)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:295)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:204)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:783)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:639)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:609)
	at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:214)
	at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:595)
	at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:615)
	at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:148)
	at org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:218)
	at org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:511)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.queryContains(CalciteAssert.java:1422)
	at org.apache.calcite.test.DruidAdapterIT.testNotAcceptedKindOfExtract(DruidAdapterIT.java:1996)
	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:51)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:237)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)