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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/02/20 06:35:07 UTC
[jira] [Resolved] (SPARK-26925) how to get the statistics when read
from or writer to another database by datasourceV2
[ https://issues.apache.org/jira/browse/SPARK-26925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-26925.
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Resolution: Invalid
> how to get the statistics when read from or writer to another database by datasourceV2
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-26925
> URL: https://issues.apache.org/jira/browse/SPARK-26925
> Project: Spark
> Issue Type: Question
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: webber
> Priority: Major
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> How to get the statistics when read from or writer to another database by datasourceV2. For example, when i read data from Rocksdb by datasourceV2, i get a dataset, but also need the number of data. If i want to know the number of the data, i must to do dataset.count(). In fact, i have counted the number when read from Rocksdb, but i cant feedback the infomation. Can you help me ?
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