HyukjinKwon commented on code in PR #46797:
URL: https://github.com/apache/spark/pull/46797#discussion_r1619613153
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docs/structured-streaming-programming-guide.md:
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@@ -2119,7 +2119,7 @@ streamingDf.dropDuplicates("guid");
// With watermark using guid and eventTime columns
streamingDf
.withWatermark("eventTime", "10 seconds")
- .dropDuplicates("guid", "eventTime");
+ .dropDuplicates({"guid", "eventTime"});
Review Comment:
because of `@scala.annotation.varargs`, Java should work too with
`dropDuplicates(col1: String, cols: String*)`?
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