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[SPARK-35111][SPARK-35112][SQL][FOLLOWUP] Rename ANSI interval patterns and regexps #32444

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[SPARK-35111][SPARK-35112][SQL][FOLLOWUP] Rename ANSI interval patterns and regexps #32444

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09a7479
[SPARK-35111][SQL][FOLLOWUP] Support Cast string to year-month interval
AngersZhuuuu May 5, 2021
915ddaf
Update IntervalUtils.scala
AngersZhuuuu May 7, 2021
3e7fb54
Update IntervalUtils.scala
AngersZhuuuu May 7, 2021
8569d86
Update IntervalUtils.scala
AngersZhuuuu May 8, 2021
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Update IntervalUtils.scala
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@AngersZhuuuu
AngersZhuuuu committed May 7, 2021
commit 3e7fb54768c6d7e1496edc5d0780f60eb8ade6f9
2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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Expand Up @@ -99,7 +99,7 @@ object IntervalUtils {
result
}

private val unquotedYearMonthRegex = "([+|-])?(\\d+)-(\\d+)".r
private val unquotedYearMonthRegex = "([+|-])?(\\d+)-(\\d+)"
private val quotedYearMonthPattern = (s"^$unquotedYearMonthRegex$$").r
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@cloud-fan cloud-fan May 7, 2021 •
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I don't really see what "quoted" means here...

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@AngersZhuuuu AngersZhuuuu May 7, 2021

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I don't really see what "quoted" means here...

he may want to mean it without ^ and $

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@cloud-fan cloud-fan May 7, 2021

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that's not quoted. To me it's more like regex string vs compiled regex.

How about yearMonthPatternString, yearMonthRegex and yearMontnLiteralRegex?

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@AngersZhuuuu AngersZhuuuu May 8, 2021

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Look good, done

private val yearMonthLiteralPattern =
(s"(?i)^INTERVAL\\s+([+|-])?'$unquotedYearMonthRegex'\\s+YEAR\\s+TO\\s+MONTH$$").r
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