Support grouped execution for window function

[dain]

Extracted-From: https://github.com/prestodb/presto

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have you on file. In order for us to review and merge your code, please submit the signed CLA to cla@prestosql.io. If you are contributing on behalf of someone else (e.g., your employer), the individual CLA may not be sufficient and your employer may need the Corporate CLA signed.

[martint]

The logic looks good, but I have some comments about naming and the flag that gates this behavior.

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have you on file. In order for us to review and merge your code, please submit the signed CLA to cla@prestosql.io. If you are contributing on behalf of someone else (e.g., your employer), the individual CLA may not be sufficient and your employer may need the Corporate CLA signed.

[dain]

Failure:

[ERROR] testGroupedExecution(io.prestosql.plugin.hive.TestHiveIntegrationSmokeTest)  Time elapsed: 1.115 s  <<< FAILURE!
java.lang.AssertionError: 
Expected [
1
] remote exchanges but found [
2
] remote exchanges. Actual plan is [

- Output[key, _col1] => [key:bigint, count:bigint]
        _col1 := count
    - RemoteExchange[GATHER] => key:bigint, count:bigint
        - Project[] => [key:bigint, count:bigint]
            - Window[partition by (key), order by (value ASC_NULLS_LAST)][$hashvalue] => [key:bigint, value:bigint, $hashvalue:bigint, count:bigint]
                    count := count() RANGE UNBOUNDED_PRECEDING CURRENT_ROW
                - LocalExchange[HASH][$hashvalue] ("key") => key:bigint, value:bigint, $hashvalue:bigint
                    - RemoteExchange[REPARTITION][$hashvalue_9] => key:bigint, value:bigint, $hashvalue_9:bigint
                        - ScanProject[table = hive:HiveTableHandle{schemaName=tpch, tableName=test_grouped_window, analyzePartitionValues=Optional.empty}] => [key:bigint, value:bigint, $hashvalue_10:bigint]
                                $hashvalue_10 := "combine_hash"(bigint '0', COALESCE("$operator$hash_code"("key"), 0))
                                LAYOUT: tpch.test_grouped_window bucket=5
                                value := value:bigint:1:REGULAR
                                key := key:bigint:0:REGULAR

]
	at io.prestosql.plugin.hive.TestHiveIntegrationSmokeTest.lambda$assertRemoteExchangesCount$12(TestHiveIntegrationSmokeTest.java:2877)
	at io.prestosql.tests.QueryAssertions.assertQuery(QueryAssertions.java:154)
	at io.prestosql.tests.QueryAssertions.assertQuery(QueryAssertions.java:119)
	at io.prestosql.tests.AbstractTestQueryFramework.assertQuery(AbstractTestQueryFramework.java:148)
	at io.prestosql.plugin.hive.TestHiveIntegrationSmokeTest.testGroupedExecution(TestHiveIntegrationSmokeTest.java:2773)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:104)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:645)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have you on file. In order for us to review and merge your code, please submit the signed CLA to cla@prestosql.io. If you are contributing on behalf of someone else (e.g., your employer), the individual CLA may not be sufficient and your employer may need the Corporate CLA signed.