zoucao created FLINK-25476: ------------------------------ Summary: CharType lost in the creation of MaxAggFunction & MinAggFunction Key: FLINK-25476 URL: https://issues.apache.org/jira/browse/FLINK-25476 Project: Flink Issue Type: Bug Components: Table SQL / Planner Affects Versions: 1.15.0 Reporter: zoucao
CharType lost in AggFunctionFactory#createMinAggFunction(Retract) and AggFunctionFactory#createMaxAggFunction(Retract&nonRetract). If execute {code:java} SELECT Max('a') ... {code} , The following exception will throw. ---- Caused by: org.apache.flink.table.api.TableException: Max aggregate function does not support type: ''CHAR''. Please re-check the data type. at org.apache.flink.table.planner.plan.utils.AggFunctionFactory.createMaxAggFunction(AggFunctionFactory.scala:395) at org.apache.flink.table.planner.plan.utils.AggFunctionFactory.createAggFunction(AggFunctionFactory.scala:76) at org.apache.flink.table.planner.plan.utils.AggregateUtil$.$anonfun$transformToAggregateInfoList$1(AggregateUtil.scala:444) -- This message was sent by Atlassian Jira (v8.20.1#820001)