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From dongjoon-hyun <>
Subject [GitHub] spark pull request: [SPARK-14415][SQL] All functions should show u...
Date Sat, 09 Apr 2016 23:32:14 GMT
Github user dongjoon-hyun commented on a diff in the pull request:
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionalExpressions.scala
    @@ -23,7 +23,10 @@ import org.apache.spark.sql.catalyst.expressions.codegen._
     import org.apache.spark.sql.catalyst.util.TypeUtils
     import org.apache.spark.sql.types._
    +// scalastyle:off line.size.limit
    +  usage = "_FUNC_(expr1,expr2,expr3) - If expr1 is TRUE (expr1 <> 0 and expr1 <>
NULL) then IF() returns expr2; otherwise it returns expr3.")
    --- End diff --
    I will remove them. Actually it describes the definition of the previous clause `expr1
is TRUE`.

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