cloud-fan commented on a change in pull request #29064:
URL: https://github.com/apache/spark/pull/29064#discussion_r453518043
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
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@@ -90,6 +93,51 @@ 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) {
+ throw new ParseException("The interval value must be in the range of
[-18, +18] hours",
Review comment:
shall we also fail for things like `INTERVAL 1 MICROSECOND`?
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