Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/11976#discussion_r57817773
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala ---
@@ -78,6 +79,26 @@ final class DataFrameWriter private[sql](df: DataFrame) {
}
/**
+ * Set the trigger interval for the stream query.
+ *
+ * @since 2.0.0
+ */
+ def trigger(interval: Duration): DataFrameWriter = {
+ this.extraOptions += ("triggerInterval" -> interval.toMillis.toString)
--- End diff --
> how would we extend this to support other types of triggers? The design
doc suggests using using classes I think.
We can add a new method `triggerMode` to support other types of triggers
like how we supports different `SaveMode`s. This would be better than adding
new classes.
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