[GitHub] [spark] WeichenXu123 opened a new pull request #24387: [SPARK-27473][SQL][WIP] Support filter push down for status fields in binary file data source

[GitBox <gi...@apache.org>]

WeichenXu123 opened a new pull request #24387: [SPARK-27473][SQL][WIP] Support filter push down for status fields in binary file data source
URL: https://github.com/apache/spark/pull/24387
 
 
   ## What changes were proposed in this pull request?
   
   Support 4 kinds of filters:
   - LessThan
   - LessThanOrEqual
   - GreatThan
   - GreatThanOrEqual
   
   Support filters applied on 2 columns:
   - modificationTime
   - length
   
   Note:
   In order to support datasource filter push-down, I flatten schema to be:
   ```
   val schema = StructType(
       StructField("path", StringType, false) ::
       StructField("modificationTime", TimestampType, false) ::
       StructField("length", LongType, false) ::
       StructField("content", BinaryType, true) :: Nil)
   ```
   
   ## How was this patch tested?
   
   To be added.
   
   Please review http://spark.apache.org/contributing.html before opening a pull request.
   

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