wuchong commented on a change in pull request #12819:
URL: https://github.com/apache/flink/pull/12819#discussion_r449993715
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/plan/stream/sql/TableScanTest.scala
##########
@@ -357,4 +357,20 @@ class TableScanTest extends TableTestBase {
|)
""".stripMargin)
}
+
+ @Test
+ def testRowNumOverWindow(): Unit = {
+ util.addTable(
+ """
+ |CREATE TABLE src (
+ | name STRING,
+ | age BIGINT
+ |) WITH (
+ | 'connector' = 'values'
+ |)
+ """.stripMargin)
+ util.tableEnv.executeSql("create view src_view as select *, " +
+ "ROW_NUMBER() OVER (PARTITION BY name ORDER BY age DESC) as row_num from
src")
+ util.verifyPlan("select name, age, row_num from src_view where row_num <=
3")
Review comment:
Please move this case to `RankTest` with test method name
`testOverWindowInView`.
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/calcite/sql/SqlRankFunction.java
##########
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.calcite.sql;
+
+import org.apache.calcite.sql.type.OperandTypes;
+import org.apache.calcite.sql.type.ReturnTypes;
+import org.apache.calcite.sql.type.SqlReturnTypeInference;
+import org.apache.calcite.util.Optionality;
+
+/**
+ * Operator which aggregates sets of values into a result.
+ */
+public class SqlRankFunction extends SqlAggFunction {
+ //~ Constructors
-----------------------------------------------------------
+
+ @Deprecated
+ public SqlRankFunction(boolean requiresOrder, SqlKind kind) {
+ this(kind, ReturnTypes.INTEGER, requiresOrder);
+ }
+
+ public SqlRankFunction(SqlKind kind, SqlReturnTypeInference returnTypes,
+ boolean requiresOrder) {
+ super(kind.name(), null, kind, returnTypes, null,
+ OperandTypes.NILADIC, SqlFunctionCategory.NUMERIC,
requiresOrder,
+ true, Optionality.FORBIDDEN);
+ }
+
+ //~ Methods
----------------------------------------------------------------
+
+ // FLINK-18440:
+ // Allow ROW/RANGE with RANK, DENSE_RANK or ROW_NUMBER functions on
window stream
Review comment:
I mean create an issue in Calcite community and link the calcite issue
here.
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/calcite/sql/SqlRankFunction.java
##########
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.calcite.sql;
Review comment:
This is not updated?
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