[ https://issues.apache.org/jira/browse/FLINK-27797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-27797: ----------------------------------- Labels: pull-request-available (was: ) > PythonTableUtils.getCollectionInputFormat cannot correctly handle None values > ----------------------------------------------------------------------------- > > Key: FLINK-27797 > URL: https://issues.apache.org/jira/browse/FLINK-27797 > Project: Flink > Issue Type: Bug > Components: API / Python > Affects Versions: 1.15.0 > Reporter: Yunfeng Zhou > Priority: Major > Labels: pull-request-available > > In `PythonTableUtils.getCollectionInputFormat` there are implementations like > follows. > This code can be found at > [https://github.com/apache/flink/blob/8488368b86a99a064446ca74e775b67ffff0b94a/flink-python/src/main/java/org/apache/flink/table/utils/python/PythonTableUtils.java#L515] > ``` > c -> { > if (c.getClass() != byte[].class || dataType instanceof > PickledByteArrayTypeInfo) { > return c; > } > ``` > Here, the generated function did not check `c != null` before doing > `c.getClass()`. which might cause that tables created through pyflink cannot > parse it when values are `None`. -- This message was sent by Atlassian Jira (v8.20.7#820007)