Hi lei, Which hive version did you use? Can you share the complete hive DDL?
Best, Jingsong Lee On Thu, Apr 9, 2020 at 7:15 PM wangl...@geekplus.com.cn < wangl...@geekplus.com.cn> wrote: > > I am using the newest 1.10 blink planner. > > Perhaps it is because of the method i used to write the parquet file. > > Receive kafka message, transform each message to a Java class Object, > write the Object to HDFS using StreamingFileSink, add the HDFS path as a > partition of the hive table > > No matter what the order of the field description in hive ddl statement, > the hive client will work, as long as the field name is the same with Java > Object field name. > But flink sql client will not work. > > DataStream<RobotUploadData0101> sourceRobot = source.map( x->transform(x)); > final StreamingFileSink<RobotUploadData0101> sink; > sink = StreamingFileSink > .forBulkFormat(new > Path("hdfs://172.19.78.38:8020/user/root/wanglei/robotdata/parquet"), > ParquetAvroWriters.forReflectRecord(RobotUploadData0101.class)) > > For example > RobotUploadData0101 has two fields: robotId int, robotTime long > > CREATE TABLE `robotparquet`( `robotid` int, `robottime` bigint ) and > CREATE TABLE `robotparquet`( `robottime` bigint, `robotid` int) > is the same for hive client, but is different for flink-sql client > > It is an expected behavior? > > Thanks, > Lei > > ------------------------------ > wangl...@geekplus.com.cn > > > *From:* Jark Wu <imj...@gmail.com> > *Date:* 2020-04-09 14:48 > *To:* wangl...@geekplus.com.cn; Jingsong Li <jingsongl...@gmail.com>; > lirui <li...@apache.org> > *CC:* user <user@flink.apache.org> > *Subject:* Re: fink sql client not able to read parquet format table > Hi Lei, > > Are you using the newest 1.10 blink planner? > > I'm not familiar with Hive and parquet, but I know @Jingsong Li > <jingsongl...@gmail.com> and @li...@apache.org <li...@apache.org> are > experts on this. Maybe they can help on this question. > > Best, > Jark > > On Tue, 7 Apr 2020 at 16:17, wangl...@geekplus.com.cn < > wangl...@geekplus.com.cn> wrote: > >> >> Hive table stored as parquet. >> >> Under hive client: >> hive> select robotid from robotparquet limit 2; >> OK >> 1291097 >> 1291044 >> >> >> But under flink sql-client the result is 0 >> Flink SQL> select robotid from robotparquet limit 2; >> robotid >> 0 >> 0 >> >> Any insight on this? >> >> Thanks, >> Lei >> >> >> >> ------------------------------ >> wangl...@geekplus.com.cn >> >> -- Best, Jingsong Lee