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From davies <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-10522] [SQL] Nanoseconds of Timestamp i...
Date Wed, 09 Sep 2015 23:01:47 GMT
Github user davies commented on a diff in the pull request:

    https://github.com/apache/spark/pull/8674#discussion_r39107802
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
---
    @@ -192,11 +193,10 @@ object DateTimeUtils {
        * Returns Julian day and nanoseconds in a day from the number of microseconds
        */
       def toJulianDay(us: SQLTimestamp): (Int, Long) = {
    -    val seconds = us / MICROS_PER_SECOND
    -    val day = seconds / SECONDS_PER_DAY + JULIAN_DAY_OF_EPOCH
    -    val secondsInDay = seconds % SECONDS_PER_DAY
    -    val nanos = (us % MICROS_PER_SECOND) * 1000L
    -    (day.toInt, secondsInDay * NANOS_PER_SECOND + nanos)
    +    val julian_us = us + JULIAN_DAY_OF_EPOCH * MICROS_PER_DAY
    --- End diff --
    
    If we throw an exception, the job will crash if there are some garbage rows in it.


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