Hi, The write into IoTDB is not implemented yet, but you can write the dataframe into TsFile using spark-tsfile-connector. TsFile is the data file format of IoTDB, just like Parquet and ORC.
Here are some examples: http://iotdb.apache.org/document/V0.9.x/UserGuide/7-Ecosystem%20Integration/3-Spark%20TsFile.html Thanks, -- Jialin Qiao School of Software, Tsinghua University 乔嘉林 清华大学 软件学院 > -----原始邮件----- > 发件人: "Fernando Antunes" <fs.antu...@gmail.com> > 发送时间: 2020-03-26 02:28:36 (星期四) > 收件人: dev@iotdb.apache.org > 抄送: > 主题: Re: TsFile-Spark-Connector > > Zesong Sun, It works. Thanks. > > I have installed IOTDB 0.9.1, Grafana 6.7.1.1, IOTDB-Grafana, and Spark-IOTDB > Connector. > > Successfully query IOTBD using Spark using the example into IOTDB web page. > > > scala> import org.apache.iotdb.spark.db._ > import org.apache.iotdb.spark.db._ > > scala> val df = > spark.read.format("org.apache.iotdb.spark.db").option("url","jdbc:iotdb://xxxxx:6667/").option("sql","select > * from root").load > df: org.apache.spark.sql.DataFrame = [Time: bigint, root.ln.wf01.wt01.status: > boolean ... 1 more field] > > scala> df.printSchema() > root > |-- Time: long (nullable = false) > |-- root.ln.wf01.wt01.status: boolean (nullable = true) > |-- root.ln.wf01.wt01.temperature: float (nullable = true) > > > scala> df.show() > +----+------------------------+-----------------------------+ > > |Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature| > +----+------------------------+-----------------------------+ > | 100| true| null| > | 200| false| 20.71| > +----+------------------------+-----------------------------+ > > A question. > > Can Spark insert data into IOTDB ? > > Could you provide same example ? > > > > > On 29 Feb 2020, at 06:29, Fernando Antunes <fs.antu...@gmail.com> wrote: > > > > Very good. I will try and keep in touch. > > > > Thanks. Have a ince weekend. > > > > > >> On 28 Feb 2020, at 22:11, 孙泽嵩 <sz...@mails.tsinghua.edu.cn> wrote: > >> > >> Hi, > >> > >> Thanks for your concern very much! > >> > >> You could use spark-iotdb / spark-tsfile connector with 2.3.2 version. > >> (Actually, only < 2.2 version is not supported). > >> > >> If you meet any questions, don’t hesitate to ask and I’d like to help you > >> : ) > >> > >> > >> Best, > >> ----------------------------------- > >> Zesong Sun > >> School of Software, Tsinghua University > >> > >> 孙泽嵩 > >> 清华大学 软件学院 > >> > >>> 2020年2月29日 03:50，Fernando Antunes <fs.antu...@gmail.com> 写道： > >>> > >>> Hi. I’ve seen that Spark 2.4.3 is one of the System Requirements to use > >>> this connector. > >>> > >>> I am a user of the HortonWorks/Cloudera software, and the Spark version > >>> is 2.3.2 and Scala 2.11.12. > >>> > >>> Give some hope, please ! > >>> > >>> Is it possible to use TSFile or IoTDB with 2.3.2 version? Even with some > >>> limitations? > >>> > >>> > >> > > >
