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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 8, 2021
commit 8569d86a7c9b7867f69e40165618dda3389dc0ca
32 changes: 16 additions & 16 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -99,16 +99,16 @@ object IntervalUtils {
result
}

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

def castStringToYMInterval(input: UTF8String): Int = {
input.trimAll().toString match {
case quotedYearMonthPattern("-", year, month) => toYMInterval(year, month, -1)
case quotedYearMonthPattern(_, year, month) => toYMInterval(year, month, 1)
case yearMonthLiteralPattern(firstSign, secondSign, year, month) =>
case yearMonthRegex("-", year, month) => toYMInterval(year, month, -1)
case yearMonthRegex(_, year, month) => toYMInterval(year, month, 1)
case yearMonthLiteralRegex(firstSign, secondSign, year, month) =>
(firstSign, secondSign) match {
case ("-", "-") => toYMInterval(year, month, 1)
case ("-", _) => toYMInterval(year, month, -1)
Expand All @@ -129,9 +129,9 @@ object IntervalUtils {
def fromYearMonthString(input: String): CalendarInterval = {
require(input != null, "Interval year-month string must be not null")
input.trim match {
case quotedYearMonthPattern("-", yearStr, monthStr) =>
case yearMonthRegex("-", yearStr, monthStr) =>
new CalendarInterval(toYMInterval(yearStr, monthStr, -1), 0, 0)
case quotedYearMonthPattern(_, yearStr, monthStr) =>
case yearMonthRegex(_, yearStr, monthStr) =>
new CalendarInterval(toYMInterval(yearStr, monthStr, 1), 0, 0)
case _ =>
throw new IllegalArgumentException(
Expand All @@ -151,11 +151,11 @@ object IntervalUtils {
}
}

private val unquotedDaySecondRegex =
private val daySecondPatternString =
"([+|-])?(\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})(\\.\\d{1,9})?"
private val quotedDaySecondPattern = (s"^$unquotedDaySecondRegex$$").r
private val daySecondLiteralPattern =
(s"(?i)^INTERVAL\\s+([+|-])?\\'$unquotedDaySecondRegex\\'\\s+DAY\\s+TO\\s+SECOND$$").r
private val daySecondRegex = (s"^$daySecondPatternString$$").r
private val daySecondLiteralRegex =
(s"(?i)^INTERVAL\\s+([+|-])?\\'$daySecondPatternString\\'\\s+DAY\\s+TO\\s+SECOND$$").r

def castStringToDTInterval(input: UTF8String): Long = {
def secondAndMicro(second: String, micro: String): String = {
Expand All @@ -167,11 +167,11 @@ object IntervalUtils {
}

input.trimAll().toString match {
case quotedDaySecondPattern("-", day, hour, minute, second, micro) =>
case daySecondRegex("-", day, hour, minute, second, micro) =>
toDTInterval(day, hour, minute, secondAndMicro(second, micro), -1)
case quotedDaySecondPattern(_, day, hour, minute, second, micro) =>
case daySecondRegex(_, day, hour, minute, second, micro) =>
toDTInterval(day, hour, minute, secondAndMicro(second, micro), 1)
case daySecondLiteralPattern(firstSign, secondSign, day, hour, minute, second, micro) =>
case daySecondLiteralRegex(firstSign, secondSign, day, hour, minute, second, micro) =>
(firstSign, secondSign) match {
case ("-", "-") => toDTInterval(day, hour, minute, secondAndMicro(second, micro), 1)
case ("-", _) => toDTInterval(day, hour, minute, secondAndMicro(second, micro), -1)
Expand Down