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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2170) Add OrcTableSource
Date Mon, 25 Sep 2017 07:01:10 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16178619#comment-16178619
] 

ASF GitHub Bot commented on FLINK-2170:
---------------------------------------

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

    https://github.com/apache/flink/pull/4670#discussion_r140698436
  
    --- Diff: flink-connectors/flink-orc/src/main/java/org/apache/flink/orc/RowOrcInputFormat.java
---
    @@ -0,0 +1,241 @@
    +/*
    + * 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.api.common.io.FileInputFormat;
    +import org.apache.flink.api.common.typeinfo.TypeInformation;
    +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.flink.util.Preconditions;
    +
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
    +
    +import org.apache.orc.OrcConf;
    +import org.apache.orc.OrcFile;
    +import org.apache.orc.Reader;
    +import org.apache.orc.RecordReader;
    +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 static org.apache.flink.orc.OrcUtils.fillRows;
    +
    +/**
    + * InputFormat to read ORC data.
    + * For Optimization, reading is done in batch instead of a single row.
    + */
    +public class RowOrcInputFormat
    +	extends FileInputFormat<Row>
    +	implements ResultTypeQueryable<Row> {
    +
    +	private static final Logger LOG = LoggerFactory.getLogger(RowOrcInputFormat.class);
    +	private static final int BATCH_SIZE = 1024;
    +
    +	private org.apache.hadoop.conf.Configuration config;
    --- End diff --
    
    s/org.apache.hadoop.conf.//


> Add OrcTableSource
> ------------------
>
>                 Key: FLINK-2170
>                 URL: https://issues.apache.org/jira/browse/FLINK-2170
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>    Affects Versions: 0.9
>            Reporter: Fabian Hueske
>            Assignee: Usman Younas
>            Priority: Minor
>              Labels: starter
>
> Add a {{OrcTableSource}} to read data from an ORC file. The {{OrcTableSource}} should
implement the {{ProjectableTableSource}} (FLINK-3848) and {{FilterableTableSource}} (FLINK-3849)
interfaces.



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