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From twalthr <...@git.apache.org>
Subject [GitHub] flink pull request #5043: [FLINK-2170] [connectors] Add OrcRowInputFormat an...
Date Wed, 22 Nov 2017 11:12:41 GMT
Github user twalthr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5043#discussion_r152502704
  
    --- Diff: flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/OrcRowInputFormat.java
---
    @@ -0,0 +1,747 @@
    +/*
    + * 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.orc;
    +
    +import org.apache.flink.annotation.VisibleForTesting;
    +import org.apache.flink.api.common.io.FileInputFormat;
    +import org.apache.flink.api.common.typeinfo.TypeInformation;
    +import org.apache.flink.api.java.tuple.Tuple2;
    +import org.apache.flink.api.java.typeutils.ResultTypeQueryable;
    +import org.apache.flink.api.java.typeutils.RowTypeInfo;
    +import org.apache.flink.core.fs.FileInputSplit;
    +import org.apache.flink.core.fs.Path;
    +import org.apache.flink.types.Row;
    +
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.hive.common.type.HiveDecimal;
    +import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
    +
    +import org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf;
    +import org.apache.hadoop.hive.ql.io.sarg.SearchArgument;
    +import org.apache.hadoop.hive.ql.io.sarg.SearchArgumentFactory;
    +import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
    +import org.apache.orc.OrcConf;
    +import org.apache.orc.OrcFile;
    +import org.apache.orc.Reader;
    +import org.apache.orc.RecordReader;
    +import org.apache.orc.StripeInformation;
    +import org.apache.orc.TypeDescription;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import java.io.IOException;
    +import java.io.ObjectInputStream;
    +import java.io.ObjectOutputStream;
    +import java.io.Serializable;
    +import java.math.BigDecimal;
    +import java.sql.Date;
    +import java.sql.Timestamp;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +import java.util.List;
    +
    +import static org.apache.flink.orc.OrcUtils.fillRows;
    +
    +/**
    + * InputFormat to read ORC files.
    + */
    +public class OrcRowInputFormat extends FileInputFormat<Row> implements ResultTypeQueryable<Row>
{
    +
    +	private static final Logger LOG = LoggerFactory.getLogger(OrcRowInputFormat.class);
    +	// the number of rows read in a batch
    +	private static final int DEFAULT_BATCH_SIZE = 1000;
    +
    +	// the number of fields rows to read in a batch
    +	private int batchSize;
    +	// the configuration to read with
    +	private Configuration conf;
    --- End diff --
    
    `Configuration` is not serializable.


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