swuferhong commented on code in PR #20822:
URL: https://github.com/apache/flink/pull/20822#discussion_r1288271732
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flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/plan/batch/sql/SubplanReuseTest.scala:
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@@ -334,6 +334,43 @@ class SubplanReuseTest extends TableTestBase {
util.verifyExecPlan(sqlQuery)
}
+ @Test
+ def testSubplanReuseOnSortedView(): Unit = {
+ util.addTableSource[(Int, Long, String, String, String)]("Source", 'a, 'b,
'c, 'd, 'e)
+ val query = "SELECT * FROM Source order by d"
+ val table = util.tableEnv.sqlQuery(query)
+ // Define a sorted view.
+ util.tableEnv.createTemporaryView("SortedView", table)
+ util.tableEnv.executeSql("""
+ |CREATE TABLE Sink1 (
+ | a int,
+ | b bigint,
+ | c string
+ |) WITH (
+ | 'connector' = 'filesystem',
+ | 'format' = 'testcsv',
+ | 'path' = '/tmp/test'
+ |)
+ |""".stripMargin)
+ util.tableEnv.executeSql("""
+ |CREATE TABLE Sink2 (
+ | a int,
+ | b bigint,
+ | c string,
+ | d string
+ |) WITH (
+ | 'connector' = 'filesystem',
+ | 'format' = 'testcsv',
+ | 'path' = '/tmp/test'
+ |)
+ |""".stripMargin)
+ val stmtSet = util.tableEnv.createStatementSet()
+ stmtSet.addInsertSql("INSERT INTO Sink1 select a, b, e from SortedView")
Review Comment:
> I think it's better to use the SQL in the jira to verify we have already
fix this problem.
Done!
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