Description
Push down aggregate to data source for better performance. This will be done in two steps:
1. add aggregate push down APIs and the implementation in JDBC
2. add the implementation in Parquet.
Attachments
Issue Links
- duplicates
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SPARK-22390 Aggregate push down
- Resolved
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SPARK-32833 JDBC V2 Datasource aggregate push down
- Resolved
- is depended upon by
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SPARK-34960 Aggregate (Min/Max/Count) push down for ORC
- Resolved
- is duplicated by
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SPARK-35511 Spark computes all rows during count() on a parquet file
- Resolved
- links to
(12 links to)