cloud-fan commented on a change in pull request #26418: [SPARK-29783][SQL]
Support SQL Standard/ISO_8601 output style for interval type
URL: https://github.com/apache/spark/pull/26418#discussion_r345824475
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -985,6 +995,16 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
timestampFormatter.getClass)
(c, evPrim, evNull) => code"""$evPrim = UTF8String.fromString(
org.apache.spark.sql.catalyst.util.DateTimeUtils.timestampToString($tf, $c));"""
+ case CalendarIntervalType =>
+ val iu = IntervalUtils.getClass.getCanonicalName.stripSuffix("$")
+ SQLConf.get.intervalOutputStyle match {
Review comment:
nit:
```
val funcName = SQLConf.get.intervalOutputStyle match ...
code"""$evPrim = UTF8String.fromString($iu.funcName($c));"""
```
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