[jira] [Created] (CALCITE-3312) TIMESTAMPDIFF cannot be converted to SQL

["Pavel Gubin (Jira)" <ji...@apache.org>]

Pavel Gubin created CALCITE-3312:
------------------------------------

             Summary: TIMESTAMPDIFF cannot be converted to SQL
                 Key: CALCITE-3312
                 URL: https://issues.apache.org/jira/browse/CALCITE-3312
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Pavel Gubin


The following test in {{RelToSqlConverterTest}}:
{code}
  @Test public void testTimestampDiff() {
    String query = "SELECT {fn TIMESTAMPDIFF(SQL_TSI_YEAR,TIMESTAMP '2016-01-01 00:00:00', TIMESTAMP '2017-01-01 00:00:00')}";
    String expected = "";
    sql(query).ok(expected);
  }
{code}

fails with:
{noformat}
java.lang.UnsupportedOperationException: class org.apache.calcite.sql.SqlSyntax$6: SPECIAL

	at org.apache.calcite.util.Util.needToImplement(Util.java:967)
	at org.apache.calcite.sql.SqlSyntax$6.unparse(SqlSyntax.java:116)
	at org.apache.calcite.sql.SqlOperator.unparse(SqlOperator.java:348)
	at org.apache.calcite.sql.SqlDialect.unparseCall(SqlDialect.java:402)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:105)
	at org.apache.calcite.sql.SqlUtil.unparseBinarySyntax(SqlUtil.java:382)
	at org.apache.calcite.sql.SqlSyntax$3.unparse(SqlSyntax.java:65)
	at org.apache.calcite.sql.SqlOperator.unparse(SqlOperator.java:348)
	at org.apache.calcite.sql.SqlDialect.unparseCall(SqlDialect.java:402)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:108)
	at org.apache.calcite.sql.fun.SqlCastFunction.unparse(SqlCastFunction.java:174)
	at org.apache.calcite.sql.SqlDialect.unparseCall(SqlDialect.java:402)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:108)
	at org.apache.calcite.sql.SqlNodeList.commaList(SqlNodeList.java:121)
	at org.apache.calcite.sql.SqlOperator.unparseListClause(SqlOperator.java:365)
	at org.apache.calcite.sql.SqlOperator.unparseListClause(SqlOperator.java:354)
	at org.apache.calcite.sql.SqlSelectOperator.unparse(SqlSelectOperator.java:152)
	at org.apache.calcite.sql.SqlDialect.unparseCall(SqlDialect.java:402)
	at org.apache.calcite.sql.SqlSelect.unparse(SqlSelect.java:230)
	at org.apache.calcite.sql.SqlNode.toSqlString(SqlNode.java:152)
	at org.apache.calcite.sql.SqlNode.toSqlString(SqlNode.java:157)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverterTest.toSql(RelToSqlConverterTest.java:145)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverterTest.access$100(RelToSqlConverterTest.java:77)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverterTest$Sql.exec(RelToSqlConverterTest.java:3634)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverterTest$Sql.ok(RelToSqlConverterTest.java:3609)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverterTest.testTimestampDiff(RelToSqlConverterTest.java:1942)
	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)
{noformat}



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