xuanyuanking commented on a change in pull request #29756:
URL: https://github.com/apache/spark/pull/29756#discussion_r490146443
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamReader.scala
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@@ -475,6 +476,23 @@ final class DataStreamReader private[sql](sparkSession:
SparkSession) extends Lo
format("parquet").load(path)
}
+ /**
+ * Define a Streaming DataFrame on a Table. The DataSource corresponding to
the table should
+ * support streaming mode.
Review comment:
It will check in `MicroBatchExecution`/`ContinuousExecution` if the data
source doesn't support.
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