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From rxin <>
Subject [GitHub] spark pull request: [SPARK-7965] [SPARK-7972] [SQL] Handle express...
Date Tue, 02 Jun 2015 04:40:32 GMT
Github user rxin commented on a diff in the pull request:
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
    @@ -644,14 +644,24 @@ class Analyzer(
    -     * From a Seq of [[NamedExpression]]s, extract window expressions and
    -     * other regular expressions.
    +     * From a Seq of [[NamedExpression]]s, extract expressions containing window expressions
    +     * other regular expressions that do not contain any window expression. For example,
    +     * `col1, Sum(col2 + col3) OVER (PARTITION BY col4 ORDER BY col5)`, we will extract
    +     * `col1`, `col2 + col3`, `col4`, and `col5` out and replace them appearances in
    --- End diff --
    ok I will merge this and fix the typo myself.

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