JingsongLi commented on a change in pull request #8901: [FLINK-13003][table-planner-blink] Support Temporal TableFunction Join in blink planner URL: https://github.com/apache/flink/pull/8901#discussion_r298430439
########## File path: flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/runtime/stream/sql/TemporalUdtfJoinITCase.scala ########## @@ -0,0 +1,169 @@ +/* + * 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.flink.table.runtime.stream.sql + +import java.sql.Timestamp + +import org.apache.flink.api.scala._ +import org.apache.flink.streaming.api.TimeCharacteristic +import org.apache.flink.streaming.api.functions.timestamps.BoundedOutOfOrdernessTimestampExtractor +import org.apache.flink.streaming.api.scala.StreamExecutionEnvironment +import org.apache.flink.streaming.api.windowing.time.Time +import org.apache.flink.table.api.TableEnvironment +import org.apache.flink.table.api.scala._ +import org.apache.flink.table.runtime.utils.{StreamingWithStateTestBase, TestingAppendSink} +import org.apache.flink.table.runtime.utils.StreamingWithStateTestBase.StateBackendMode +import org.apache.flink.types.Row +import org.junit.Assert.assertEquals +import org.junit._ +import org.junit.runner.RunWith +import org.junit.runners.Parameterized + +import scala.collection.mutable + +@RunWith(classOf[Parameterized]) +class TemporalTableFunctionJoinITCase(state: StateBackendMode) + extends StreamingWithStateTestBase(state) { + + /** + * Because of nature of the processing time, we can not (or at least it is not that easy) + * validate the result here. Instead of that, here we are just testing whether there are no + * exceptions in a full blown ITCase. Actual correctness is tested in unit tests. + */ + @Test + def testProcessTimeInnerJoin(): Unit = { + val env = StreamExecutionEnvironment.getExecutionEnvironment + val tEnv: StreamTableEnvironment = TableEnvironment.getTableEnvironment(env) + env.setParallelism(1) + env.setStreamTimeCharacteristic(TimeCharacteristic.ProcessingTime) + + val sqlQuery = + """ + |SELECT + | o.amount * r.rate AS amount + |FROM + | Orders AS o, + | LATERAL TABLE (Rates(o.proctime)) AS r + |WHERE r.currency = o.currency + |""".stripMargin + + val ordersData = new mutable.MutableList[(Long, String)] + ordersData.+=((2L, "Euro")) + ordersData.+=((1L, "US Dollar")) + ordersData.+=((50L, "Yen")) + ordersData.+=((3L, "Euro")) + ordersData.+=((5L, "US Dollar")) + + val ratesHistoryData = new mutable.MutableList[(String, Long)] + ratesHistoryData.+=(("US Dollar", 102L)) + ratesHistoryData.+=(("Euro", 114L)) + ratesHistoryData.+=(("Yen", 1L)) + ratesHistoryData.+=(("Euro", 116L)) + ratesHistoryData.+=(("Euro", 119L)) + + val orders = env + .fromCollection(ordersData) + .toTable(tEnv, 'amount, 'currency, 'proctime) + val ratesHistory = env + .fromCollection(ratesHistoryData) + .toTable(tEnv, 'currency, 'rate, 'proctime) + + tEnv.registerTable("Orders", orders) + tEnv.registerTable("RatesHistory", ratesHistory) + tEnv.registerFunction( + "Rates", + ratesHistory.createTemporalTableFunction("proctime", "currency")) + + val result = tEnv.sqlQuery(sqlQuery).toAppendStream[Row] + result.addSink(new TestingAppendSink) + env.execute() + } + + @Test + def testEventTimeInnerJoin(): Unit = { + val env = StreamExecutionEnvironment.getExecutionEnvironment + val tEnv: StreamTableEnvironment = TableEnvironment.getTableEnvironment(env) + env.setParallelism(1) + env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime) + + val sqlQuery = + """ + |SELECT + | o.amount * r.rate AS amount + |FROM + | Orders AS o, + | LATERAL TABLE (Rates(o.rowtime)) AS r + |WHERE r.currency = o.currency + |""".stripMargin + Review comment: remove empty line ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
