[GitHub] [spark] viirya commented on a change in pull request #31572: [SPARK-34446][SS][DOCS] Update doc for stream-stream join (full outer + left semi)

[GitBox <gi...@apache.org>]

viirya commented on a change in pull request #31572:
URL: https://github.com/apache/spark/pull/31572#discussion_r576650948



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File path: docs/structured-streaming-programming-guide.md
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@@ -1337,7 +1337,7 @@ impressionsWithWatermark.join(
     clickTime >= impressionTime AND
     clickTime <= impressionTime + interval 1 hour
     """),
-  joinType = "leftOuter"      // can be "inner", "leftOuter", "rightOuter"
+  joinType = "leftOuter"      // can be "inner", "leftOuter", "rightOuter", "fullOuter", "leftSemi"

Review comment:
       Not due to this PR, but I saw this section is "Outer Joins with Watermarking", seems to be "inner" and "leftSemi" should not be here.




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