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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/09/20 13:24:40 UTC
[GitHub] [flink] hequn8128 commented on a change in pull request #9707:
[FLINK-14015][python] Introduces PythonScalarFunctionOperator to execute
Python user-defined functions
hequn8128 commented on a change in pull request #9707: [FLINK-14015][python] Introduces PythonScalarFunctionOperator to execute Python user-defined functions
URL: https://github.com/apache/flink/pull/9707#discussion_r326461309
##########
File path: flink-core/src/main/java/org/apache/flink/types/Row.java
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@@ -167,4 +167,34 @@ public static Row project(Row row, int[] fields) {
}
return newRow;
}
+
+ /**
+ * Creates a new Row which fields are copied from the other rows.
+ * This method does not perform a deep copy.
+ *
+ * @param first The first row being copied.
+ * @param remainings The other rows being copied.
+ * @return the joined new Row
+ */
+ public static Row join(Row first, Row... remainings) {
Review comment:
Add tests for this method in `RowTest`
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