webber created SPARK-26925:
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Summary: 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
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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