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From xccui <...@git.apache.org>
Subject [GitHub] flink pull request #5688: [FLINK-6968][Table API & SQL] Add Queryable table ...
Date Wed, 14 Mar 2018 02:55:42 GMT
Github user xccui commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5688#discussion_r174338968
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/sinks/QueryableTableSink.scala
---
    @@ -0,0 +1,175 @@
    +/*
    + * 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.sinks
    +
    +import java.lang.{Boolean => JBool}
    +
    +import org.apache.flink.api.common.state.{ValueState, ValueStateDescriptor}
    +import org.apache.flink.api.common.typeinfo.TypeInformation
    +import org.apache.flink.api.java.functions.KeySelector
    +import org.apache.flink.api.java.tuple.{Tuple2 => JTuple2}
    +import org.apache.flink.api.java.typeutils.{ResultTypeQueryable, RowTypeInfo}
    +import org.apache.flink.configuration.Configuration
    +import org.apache.flink.streaming.api.datastream.DataStream
    +import org.apache.flink.streaming.api.functions.ProcessFunction
    +import org.apache.flink.table.api.StreamQueryConfig
    +import org.apache.flink.table.runtime.aggregate.ProcessFunctionWithCleanupState
    +import org.apache.flink.types.Row
    +import org.apache.flink.util.Collector
    +import org.slf4j.LoggerFactory
    +
    +class QueryableTableSink(private val namePrefix: String,
    +                         private val queryConfig: StreamQueryConfig)
    +  extends UpsertStreamTableSink[Row]
    +  with TableSinkBase[JTuple2[JBool, Row]] {
    +  private var keys: Array[String] = _
    +
    +  /**
    +    * Configures the unique key fields of the [[Table]] to write.
    --- End diff --
    
    Use the full class name for `[[Table]]` since it's not imported.


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