twalthr commented on a change in pull request #14423:
URL: https://github.com/apache/flink/pull/14423#discussion_r545761272
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File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/ExecNode.java
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@@ -41,9 +41,11 @@
String getDesc();
/**
- * Returns the output {@link RowType} of this node.
+ * Returns the output {@link LogicalType} of this node,
+ * this type should be consistent with the type parameter {@link T}.
+ * Such as, T is RowData, the output type should be RowType.
*/
- RowType getOutputType();
+ LogicalType getOutputType();
Review comment:
You can link to JavaDoc of `RowData` for a mapping of logical types to
internal data structures here.
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