dianfu commented on a change in pull request #9858: [FLINK-14208][python]
Optimize Python UDFs with parameters of constant values
URL: https://github.com/apache/flink/pull/9858#discussion_r332988299
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File path:
flink-python/src/main/java/org/apache/flink/api/common/python/PythonBridgeUtils.java
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@@ -36,6 +38,8 @@
*/
public final class PythonBridgeUtils {
+ private static Pickler pickler = new Pickler();
Review comment:
Make it an local variable of rexLiteralToPythonObject as I think there is no
need to reuse it.
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