Xingcan Cui created FLINK-11769:
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Summary: The estimateDataTypesSize method in FlinkRelNode causes
NPE for Multiset
Key: FLINK-11769
URL: https://issues.apache.org/jira/browse/FLINK-11769
Project: Flink
Issue Type: Bug
Components: Table API & SQL
Affects Versions: 1.7.2, 1.6.4
Reporter: Xingcan Cui
As raised in [this
thread|https://lists.apache.org/thread.html/3a93723d2e74ae667a9aeb7d6ff28955f3ef79b5f20b4848b67fe709@%3Cuser.flink.apache.org%3E].
The {{estimateDataTypesSize}} method in {{FlinkRelNode}} causes NPE for a
{{Multiset<Map<String, String>>}} field type. Maybe the {{keyType}} or the
{{valueType}} is empty in that case.
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