Looks like you need to be using ServerDdlExecutor rather than DdlExecutor.USELESS.
Therefore try using org.apache.calcite.server.ServerDdlExecutor#PARSER_FACTORY rather than org.apache.calcite.sql.parser.ddl.SqlDdlParserImpl#FACTORY in your connect string. > On Feb 21, 2022, at 12:17 AM, wang...@mchz.com.cn wrote: > > Dear Calcite community: > > I am new Calcite user here. I noted in the document > https://calcite.apache.org/docs/adapter.html that Calcite does support DDL > operations，the only thing I need to do is 1) to include calcite-server.jar in > my classpath and 2) add > parserFactory=org.apache.calcite.sql.parser.ddl.SqlDdlParserImpl#FACTORY to > JDBC connect string. > Now the problem is: I did so, but still I got the following error: > > > java.sql.SQLException: Error while executing SQL "CREATE TABLE t (i INTEGER, > j VARCHAR(10))": DDL not supported: CREATE TABLE `T` (`I` INTEGER, `J` > VARCHAR(10)) 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.AvaticaStatement.executeInternal(AvaticaStatement.java:163) > at > org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:227) > at com.xxxx.CalciteResolverTest.testJdbc(CalciteResolverTest.java:259) at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native > Method) at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) > at > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.base/java.lang.reflect.Method.invoke(Method.java:568) at > junit.framework.TestCase.runTest(TestCase.java:177) at > junit.framework.TestCase.runBare(TestCase.java:142) at > junit.framework.TestResult$1.protect(TestResult.java:122) at > junit.framework.TestResult.runProtected(TestResult.java:142) at > junit.framework.TestResult.run(TestResult.java:125) at > junit.framework.TestCase.run(TestCase.java:130) at > junit.framework.TestSuite.runTest(TestSuite.java:241) at > junit.framework.TestSuite.run(TestSuite.java:236) at > org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) > at > com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) > at > com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221) > at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) Caused by: > java.lang.UnsupportedOperationException: DDL not supported: CREATE TABLE `T` > (`I` INTEGER, `J` VARCHAR(10)) at > org.apache.calcite.server.DdlExecutor.lambda$static$0(DdlExecutor.java:28) at > org.apache.calcite.prepare.CalcitePrepareImpl.executeDdl(CalcitePrepareImpl.java:369) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:634) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:513) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:483) > at > org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:249) > at > org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:623) > at > org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:674) > at > org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156) > ... 20 more > > did I miss any other properties that needs to be set? > > > > > Many thanks > Sai Wang
