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xiaojin.wy commented on FLINK-15092: ------------------------------------ [~ykt836] , could you please assign it to someone? > Using sql-client excute sql(select sum(cast(null as int)) from t123;) has a > TableException > ------------------------------------------------------------------------------------------ > > Key: FLINK-15092 > URL: https://issues.apache.org/jira/browse/FLINK-15092 > Project: Flink > Issue Type: Bug > Components: Table SQL / Client > Affects Versions: 1.10.0 > Environment: flink master's newest code. > Reporter: xiaojin.wy > Priority: Major > > CREATE TABLE `t123` ( > x INT > ) WITH ( > 'format.field-delimiter'='|', > 'connector.type'='filesystem', > 'format.derive-schema'='true', > > 'connector.path'='hdfs://zthdev/defender_test_data/daily/test_aggregates/sources/t123.csv', > 'format.type'='csv' > ); > select sum(cast(null as int)) from t123; > > Excute the statement above , then you will see such exception: > > [ERROR] Could not execute SQL statement. Reason: > org.apache.flink.table.api.TableException: Failed to push project into table > source! table source with pushdown capability must override and change > explainSource() API to explain the pushdown applied! > > -- This message was sent by Atlassian Jira (v8.3.4#803005)