You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Johnny Bai (Jira)" <ji...@apache.org> on 2020/09/08 10:09:00 UTC
[jira] [Created] (SPARK-32821) cannot group by with window in sql
sentence for structured streaming with watermark
Johnny Bai created SPARK-32821:
----------------------------------
Summary: cannot group by with window in sql sentence for structured streaming with watermark
Key: SPARK-32821
URL: https://issues.apache.org/jira/browse/SPARK-32821
Project: Spark
Issue Type: Improvement
Components: Structured Streaming
Affects Versions: 3.0.0
Reporter: Johnny Bai
Fix For: 3.0.1
{{import spark.implicits._}}
{{val words = ... // streaming DataFrame of schema \{ timestamp: Timestamp, word: String }}}
{{// Group the data by window and word and compute the count of each group}}
{{val windowedCounts = words.groupBy(window($"timestamp", "10 minutes", "5 minutes"),$"word").count()}}
{{}}
{{but not support group by with window in sql style as below:}}
{{"select ts_field,count(*) over window(ts_field, '1 minute', '1 minute') with watermark 1 minute from tableX group by ts_field"}}
{{}}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org