godfreyhe commented on a change in pull request #9035: [FLINK-13168] [table]
clarify isBatch/isStreaming/isBounded flag in flink planner and blink planner
URL: https://github.com/apache/flink/pull/9035#discussion_r302818070
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File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/operations/DataStreamQueryOperation.java
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@@ -31,6 +31,8 @@
/**
* Describes a relational operation that reads from a {@link DataStream}.
*
+ * <p>This is only used for testing.
Review comment:
this `DataStreamQueryOperation` is only used in `TableTestBase` for adding
test DataStream with statistic. and it will not used for user interface, such
as `StreamTableEnvironmentImpl#fromDataStream`.
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