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From: fhueske <git@git.apache.org>
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Subject: [GitHub] flink pull request: [FLINK-3474] support partial aggregate
Content-Type: text/plain
Message-Id: <20160304095225.267FEE78D1@git1-us-west.apache.org>
Date: Fri,  4 Mar 2016 09:52:25 +0000 (UTC)

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1746#discussion_r55010392
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/runtime/aggregate/AggregateMapFunction.scala ---
    @@ -0,0 +1,62 @@
    +/*
    + * 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.api.table.runtime.aggregate
    +
    +import com.google.common.base.Preconditions
    +import org.apache.flink.api.common.functions.RichMapFunction
    +import org.apache.flink.api.common.typeinfo.TypeInformation
    +import org.apache.flink.api.java.typeutils.ResultTypeQueryable
    +import org.apache.flink.api.table.Row
    +import org.apache.flink.configuration.Configuration
    +
    +class AggregateMapFunction[IN, OUT](
    +    private val aggregates: Array[Aggregate[_]],
    +    private val aggFields: Array[Int],
    +    private val groupingKeys: Array[Int],
    +    @transient private val returnType: TypeInformation[OUT])
    +    extends RichMapFunction[IN, OUT] with ResultTypeQueryable[OUT] {
    +  
    +  private var partialRowLength: Int = _
    --- End diff --
    
    no need to make this a member variable.


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