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https://issues.apache.org/jira/browse/FLINK-10261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16605780#comment-16605780
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ASF GitHub Bot commented on FLINK-10261:
----------------------------------------
twalthr commented on a change in pull request #6648: [FLINK-10261][table] fix
insert into with order by
URL: https://github.com/apache/flink/pull/6648#discussion_r215628550
##########
File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/sql/validation/SortValidationTest.scala
##########
@@ -54,4 +53,12 @@ class SortValidationTest extends TableTestBase {
val sqlQuery = "SELECT a FROM MyTable LIMIT 3"
streamUtil.verifySql(sqlQuery, "")
}
+
+ // test should fail because time is not order field
+ @Test(expected = classOf[TableException])
+ def testNonTimeSorting(): Unit = {
Review comment:
This test is not testing what it is supposed to test. I will remove it.
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> INSERT INTO does not work with ORDER BY clause
> ----------------------------------------------
>
> Key: FLINK-10261
> URL: https://issues.apache.org/jira/browse/FLINK-10261
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: xueyu
> Priority: Major
> Labels: pull-request-available
>
> It seems that INSERT INTO and ORDER BY do not work well together.
> An AssertionError is thrown and the ORDER BY clause is duplicated. I guess
> this is a Calcite issue.
> Example:
> {code}
> @Test
> def testInsertIntoMemoryTable(): Unit = {
> val env = StreamExecutionEnvironment.getExecutionEnvironment
> env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime)
> val tEnv = TableEnvironment.getTableEnvironment(env)
> MemoryTableSourceSinkUtil.clear()
> val t = StreamTestData.getSmall3TupleDataStream(env)
> .assignAscendingTimestamps(x => x._2)
> .toTable(tEnv, 'a, 'b, 'c, 'rowtime.rowtime)
> tEnv.registerTable("sourceTable", t)
> val fieldNames = Array("d", "e", "f", "t")
> val fieldTypes = Array(Types.INT, Types.LONG, Types.STRING,
> Types.SQL_TIMESTAMP)
> .asInstanceOf[Array[TypeInformation[_]]]
> val sink = new MemoryTableSourceSinkUtil.UnsafeMemoryAppendTableSink
> tEnv.registerTableSink("targetTable", fieldNames, fieldTypes, sink)
> val sql = "INSERT INTO targetTable SELECT a, b, c, rowtime FROM
> sourceTable ORDER BY a"
> tEnv.sqlUpdate(sql)
> env.execute()
> {code}
> Error:
> {code}
> java.lang.AssertionError: not a query: SELECT `sourceTable`.`a`,
> `sourceTable`.`b`, `sourceTable`.`c`, `sourceTable`.`rowtime`
> FROM `sourceTable` AS `sourceTable`
> ORDER BY `a`
> ORDER BY `a`
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3069)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:557)
> at
> org.apache.flink.table.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:104)
> at
> org.apache.flink.table.api.TableEnvironment.sqlUpdate(TableEnvironment.scala:717)
> at
> org.apache.flink.table.api.TableEnvironment.sqlUpdate(TableEnvironment.scala:683)
> at
> org.apache.flink.table.runtime.stream.sql.SqlITCase.testInsertIntoMemoryTable(SqlITCase.scala:735)
> 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)
> {code}
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