Pavel Gubin created CALCITE-3312:
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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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