1.10.x版本，在hivecatalog下，建表时用proctime as PROCTIME()应该是有bug的， https://issues.apache.org/jira/browse/FLINK-17189 <https://issues.apache.org/jira/browse/FLINK-17189>
Best, Junbao Zhang > 2020年6月13日 上午12:31，Sun.Zhu <17626017...@163.com> 写道： > > hi，all > 在用sql client集成hiveCatalog时，在hiveCatalog中注册了一个kafka的table > ddl如下： > | > CREATETABLE user_behavior ( > user_id BIGINT, > item_id BIGINT, > category_id BIGINT, > behavior STRING, > ts TIMESTAMP(3), > proctime as PROCTIME(), -- 通过计算列产生一个处理时间列 > WATERMARK FOR ts as ts - INTERVAL'5'SECOND-- 在ts上定义watermark，ts成为事件时间列 > ) WITH ( > 'connector.type' = 'kafka', -- 使用 kafka connector > 'connector.version' = 'universal', -- kafka 版本，universal 支持 0.11 以上的版本 > 'connector.topic' = 'user_behavior', -- kafka topic > 'connector.startup-mode' = 'earliest-offset', -- 从起始 offset 开始读取 > 'connector.properties.zookeeper.connect' = 'localhost:2181', -- zookeeper 地址 > 'connector.properties.bootstrap.servers' = 'localhost:9092', -- kafka broker > 地址 > 'format.type' = 'json'-- 数据源格式为 json > ); > | > 在查询时select * from user_behavior;报错如下： > [ERROR] Could not execute SQL statement. Reason: > java.lang.AssertionError: Conversion to relational algebra failed to preserve > datatypes: > validated type: > RecordType(BIGINT user_id, BIGINT item_id, BIGINT category_id, > VARCHAR(2147483647) CHARACTER SET "UTF-16LE" behavior, TIME > ATTRIBUTE(ROWTIME) ts, TIMESTAMP(3) NOT NULL proctime) NOT NULL > converted type: > RecordType(BIGINT user_id, BIGINT item_id, BIGINT category_id, > VARCHAR(2147483647) CHARACTER SET "UTF-16LE" behavior, TIME > ATTRIBUTE(ROWTIME) ts, TIME ATTRIBUTE(PROCTIME) NOT NULL proctime) NOT NULL > rel: > LogicalProject(user_id=[$0], item_id=[$1], category_id=[$2], behavior=[$3], > ts=[$4], proctime=[$5]) > LogicalWatermarkAssigner(rowtime=[ts], watermark=[-($4, 5000:INTERVAL > SECOND)]) > LogicalProject(user_id=[$0], item_id=[$1], category_id=[$2], > behavior=[$3], ts=[$4], proctime=[PROCTIME()]) > LogicalTableScan(table=[[myhive, my_db, user_behavior, source: > [KafkaTableSource(user_id, item_id, category_id, behavior, ts)]]]) > > > flink版本：1.10.1 > blink planner，streaming model > > > Thx > | | > Sun.Zhu > | > | > 17626017...@163.com > | > 签名由网易邮箱大师定制 >
