yaooqinn commented on a change in pull request #29064:
URL: https://github.com/apache/spark/pull/29064#discussion_r455577033
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
##########
@@ -90,6 +92,41 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
ResetCommand
}
+ /**
+ * Create a [[SetCommand]] logical plan to set
[[SQLConf.SESSION_LOCAL_TIMEZONE]]
+ * Example SQL :
+ * {{{
+ * SET TIME ZONE LOCAL;
+ * SET TIME ZONE 'Asia/Shanghai';
+ * SET TIME ZONE INTERVAL 10 HOURS;
+ * }}}
+ */
+ override def visitSetTimeZone(ctx: SetTimeZoneContext): LogicalPlan =
withOrigin(ctx) {
+ val key = SQLConf.SESSION_LOCAL_TIMEZONE.key
+ if (ctx.interval != null) {
+ val interval = parseIntervalLiteral(ctx.interval)
+ if (interval.months != 0 || interval.days != 0 ||
+ math.abs(interval.microseconds) > 18 *
DateTimeConstants.MICROS_PER_HOUR ||
+ interval.microseconds % DateTimeConstants.MICROS_PER_SECOND != 0) {
+ throw new ParseException("The interval value must be in the range of
[-18, +18] hours" +
+ " with second precision",
+ ctx.interval())
+ } else {
+ val seconds = (interval.microseconds /
DateTimeConstants.MICROS_PER_SECOND).toInt
+ SetCommand(Some(key ->
Some(ZoneOffset.ofTotalSeconds(seconds).toString)))
+ }
+ } else if (ctx.timezone != null) {
+ ctx.timezone.getType match {
+ case SqlBaseParser.LOCAL =>
+ SetCommand(Some(key -> Some(TimeZone.getDefault.getID)))
Review comment:
```
kentyao@hulk ~/spark SPARK-32272 TZ="America/Los_Angeles" scala
Welcome to Scala 2.13.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_251).
Type in expressions for evaluation. Or try :help.
scala> java.util.TimeZone.getDefault.getID
res0: String = America/Los_Angeles
scala> %
✘ kentyao@hulk ~/spark SPARK-32272 TZ="Asia/Hong_kong" scala
Welcome to Scala 2.13.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_251).
Type in expressions for evaluation. Or try :help.
scala> java.util.TimeZone.getDefault.getID
res0: String = GMT+08:00
```
check on this
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