Rong Rong created FLINK-7922: -------------------------------- Summary: leastRestrictive in FlinkTypeFactory does not resolve composite type correctly Key: FLINK-7922 URL: https://issues.apache.org/jira/browse/FLINK-7922 Project: Flink Issue Type: Bug Reporter: Rong Rong
FlinkTypeFactory does not override the following function correctly: `leastRestrictive(types: util.List[RelDataType]): RelDataType = { //... }` to deal with situations like ``` CASE WHEN <CONDITION> THEN <COMPOSITE_TYPE> ELSE NULL END ``` will trigger runtime exception -- This message was sent by Atlassian JIRA (v6.4.14#64029)