cloud-fan commented on a change in pull request #24129: [SPARK-27190][SQL] add
table capability for streaming
URL: https://github.com/apache/spark/pull/24129#discussion_r272429913
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File path:
sql/core/src/main/java/org/apache/spark/sql/sources/v2/writer/WriteBuilder.java
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@@ -70,6 +71,12 @@ default BatchWrite buildForBatch() {
" does not support batch write");
}
+ /**
+ * Returns a {@link StreamingWrite} to write data to streaming source. By
default this method
+ * throws exception, data sources must overwrite this method to provide an
implementation, if the
+ * {@link Table} that creates this write returns {@link
TableCapability#STREAMING_WRITE} support
+ * in its {@link Table#capabilities()}.
+ */
Review comment:
You did the same when you add the batch read/write capability, didn't you?
`TableCapability#STREAMING_WRITE` is added in this PR and I have to add related
document at the places that need to mention it.
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