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From dongjoon-hyun <...@git.apache.org>
Subject [GitHub] orc pull request #160: ORC-233 Allow `orc.include.columns` to be empty
Date Mon, 21 Aug 2017 17:59:08 GMT
Github user dongjoon-hyun commented on a diff in the pull request:

    --- Diff: java/mapreduce/src/java/org/apache/orc/mapred/OrcInputFormat.java ---
    @@ -58,7 +58,7 @@
       public static boolean[] parseInclude(TypeDescription schema,
                                            String columnsStr) {
    -    if (columnsStr == null ||
    +    if (StringUtils.isBlank(columnsStr) ||
    --- End diff --
    BTW, is this enough for ORC column selection to return all null fields?
    It looks to me that it returns all value fields. I mean without column selection.

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