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_r302817944
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File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/operations/RichTableSourceQueryOperation.java
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@@ -30,17 +32,20 @@
* A {@link TableSourceQueryOperation} with {@link FlinkStatistic} and
qualifiedName.
* TODO this class should be deleted after unique key in TableSchema is ready
* and setting catalog statistic to TableSourceTable in DatabaseCalciteSchema
is ready
+ *
+ * <p>This is only used for testing.
Review comment:
`RichTableSourceQueryOperation` is only used in `TableTestBase` for adding
test TableSource with statistic. and it will not used for user interface, such
as `TableEnvironmentImpl#fromTableSource`.
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