cloud-fan commented on a change in pull request #30421:
URL: https://github.com/apache/spark/pull/30421#discussion_r530069998
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -503,13 +503,32 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef] with
SQLConfHelper with Logg
}
}
+ private def convertTypedLiteralToString(literal: Literal): String = literal
match {
+ case Literal(data: Int, _: DateType) =>
+ UTF8String.fromString(
+ DateFormatter(getZoneId(SQLConf.get.sessionLocalTimeZone))
+ .format(data)).toString
+ case Literal(data: Long, _: TimestampType) =>
+ UTF8String.fromString(
+
TimestampFormatter.getFractionFormatter(getZoneId(SQLConf.get.sessionLocalTimeZone))
+ .format(data)).toString
+ case Literal(data: CalendarInterval, _: CalendarIntervalType) =>
+ UTF8String.fromString(data.toString).toString
+ case Literal(data: Array[Byte], _: BinaryType) =>
+ UTF8String.fromBytes(data).toString
+ case Literal(_, dataType) =>
+ throw new IllegalArgumentException(s"Literals of type '$dataType' are
not" +
+ " supported when use typed literal as partition col value.")
+ }
+
/**
* Convert a constant of any type into a string. This is typically used in
DDL commands, and its
* main purpose is to prevent slight differences due to back to back
conversions i.e.:
* String -> Literal -> String.
*/
protected def visitStringConstant(ctx: ConstantContext): String =
withOrigin(ctx) {
ctx match {
+ case l: TypeConstructorContext =>
convertTypedLiteralToString(visitTypeConstructor(l))
case s: StringLiteralContext => createString(s)
case o => o.getText
Review comment:
previous, `date'xxx'` is just a string `"date'xxx'"`? then we need a
migration guide for this change.
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