yanghua 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_r215327606
##########
File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/runtime/stream/sql/SortITCase.scala
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@@ -105,6 +107,36 @@ class SortITCase extends StreamingWithStateTestBase {
"20")
assertEquals(expected, SortITCase.testResults)
}
+
+ @Test
+ def testInsertIntoMemoryTableOrderBy(): 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 rowtime, a desc"
Review comment:
SQL keyword (`ORDER BY`) upper case looks better to me.
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