Packages

object Dsl

Instead of using the methods in FilterApi directly in scala code, use this Dsl instead. Example usage:

import parquet.filter2.dsl.Dsl._

val abc = IntColumn("a.b.c")
val xyz = DoubleColumn("x.y.z")

val myPredicate = !(abc > 10 && (xyz === 17 || ((xyz !== 13) && (xyz <= 20))))

Note that while the operators >, >=, <, <= all work, the == and != operators do not. Using == or != will result in a runtime exception. Instead use === and !==

This is due to a limitation in overriding the the equals method.

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Type Members

  1. case class BinaryColumn(columnPath: String) extends Column[Binary, predicate.Operators.BinaryColumn] with Product with Serializable
  2. case class BooleanColumn(columnPath: String) extends Column[Boolean, predicate.Operators.BooleanColumn] with Product with Serializable
  3. case class DoubleColumn(columnPath: String) extends Column[Double, predicate.Operators.DoubleColumn] with Product with Serializable
  4. case class FloatColumn(columnPath: String) extends Column[Float, predicate.Operators.FloatColumn] with Product with Serializable
  5. case class IntColumn(columnPath: String) extends Column[Integer, predicate.Operators.IntColumn] with Product with Serializable
  6. case class LongColumn(columnPath: String) extends Column[Long, predicate.Operators.LongColumn] with Product with Serializable
  7. class RichPredicate extends AnyRef
  8. class SupportsEqNotEq[T <: Comparable[T], C <: predicate.Operators.Column[T] with predicate.Operators.SupportsEqNotEq] extends AnyRef
  9. class SupportsLtGt[T <: Comparable[T], C <: predicate.Operators.Column[T] with predicate.Operators.SupportsLtGt] extends AnyRef

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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    protected[java.lang]
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    @native() @throws( ... )
  6. implicit def enrichEqNotEq[T <: Comparable[T], C <: predicate.Operators.Column[T] with predicate.Operators.SupportsEqNotEq](column: Column[T, C]): SupportsEqNotEq[T, C]
  7. implicit def enrichLtGt[T <: Comparable[T], C <: predicate.Operators.Column[T] with predicate.Operators.SupportsLtGt](column: Column[T, C]): SupportsLtGt[T, C]
  8. implicit def enrichPredicate(pred: FilterPredicate): RichPredicate
  9. final def eq(arg0: AnyRef): Boolean
    Definition Classes
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  10. def equals(arg0: Any): Boolean
    Definition Classes
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  11. def finalize(): Unit
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    @throws( classOf[java.lang.Throwable] )
  12. final def getClass(): Class[_]
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    @native()
  13. def hashCode(): Int
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    @native()
  14. final def isInstanceOf[T0]: Boolean
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  15. final def ne(arg0: AnyRef): Boolean
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  16. final def notify(): Unit
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    @native()
  17. final def notifyAll(): Unit
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    @native()
  18. implicit def stringToBinary(s: String): Binary
  19. final def synchronized[T0](arg0: ⇒ T0): T0
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  20. def toString(): String
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  21. final def wait(): Unit
    Definition Classes
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    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  23. final def wait(arg0: Long): Unit
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