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From twalthr <...@git.apache.org>
Subject [GitHub] flink pull request #4471: [FLINK-6094] [table] Implement stream-stream proct...
Date Thu, 23 Nov 2017 16:01:58 GMT
Github user twalthr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4471#discussion_r152807064
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/join/DataStreamInnerJoin.scala
---
    @@ -0,0 +1,285 @@
    +/*
    + * 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.join
    +
    +import org.apache.flink.api.common.functions.FlatJoinFunction
    +import org.apache.flink.api.common.state._
    +import org.apache.flink.api.common.typeinfo.TypeInformation
    +import org.apache.flink.api.java.typeutils.TupleTypeInfo
    +import org.apache.flink.configuration.Configuration
    +import org.apache.flink.streaming.api.functions.co.CoProcessFunction
    +import org.apache.flink.table.api.{StreamQueryConfig, Types}
    +import org.apache.flink.table.runtime.CRowWrappingMultiOuputCollector
    +import org.apache.flink.table.runtime.types.CRow
    +import org.apache.flink.types.Row
    +import org.apache.flink.util.Collector
    +import org.apache.flink.api.java.tuple.{Tuple2 => JTuple2}
    +import org.slf4j.LoggerFactory
    +import org.apache.flink.table.codegen.Compiler
    +
    +
    +/**
    +  * Connect data for left stream and right stream. Only use for innerJoin.
    +  *
    +  * @param leftType          the input type of left stream
    +  * @param rightType         the input type of right stream
    +  * @param resultType        the output type of join
    +  * @param genJoinFuncName   the function code of other non-equi condition
    +  * @param genJoinFuncCode   the function name of other non-equi condition
    +  * @param queryConfig       the configuration for the query to generate
    +  */
    +class DataStreamInnerJoin(
    --- End diff --
    
    Call this `UnboundedInnerJoin`?


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