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[SPARK-6625][SQL] Add common string filters to data sources.
Filters such as startsWith, endsWith, contains will be very useful for data sources that provide search functionality, e.g. Succinct, Elastic Search, Solr. I also took this chance to improve documentation for the data source filters. Author: Reynold Xin <rxin@databricks.com> Closes #5285 from rxin/ds-string-filters and squashes the following commits: f021727 [Reynold Xin] Fixed grammar. 7695a52 [Reynold Xin] [SPARK-6625][SQL] Add common string filters to data sources.
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- sql/core/src/main/scala/org/apache/spark/sql/sources/DataSourceStrategy.scala 10 additions, 0 deletions...ala/org/apache/spark/sql/sources/DataSourceStrategy.scala
- sql/core/src/main/scala/org/apache/spark/sql/sources/filters.scala 69 additions, 0 deletions...src/main/scala/org/apache/spark/sql/sources/filters.scala
- sql/core/src/main/scala/org/apache/spark/sql/sources/interfaces.scala 3 additions, 0 deletions.../main/scala/org/apache/spark/sql/sources/interfaces.scala
- sql/core/src/test/scala/org/apache/spark/sql/sources/FilteredScanSuite.scala 51 additions, 22 deletions...cala/org/apache/spark/sql/sources/FilteredScanSuite.scala
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