trait PredicateOps[Predicate] extends AnyRef

A unified API for predicates, used by BasicCassandraPredicatePushDown.

Keeps all the Spark-specific stuff out of BasicCassandraPredicatePushDown It is also easy to plug-in custom predicate implementations for unit-testing.

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ExpressionOps, FilterOps
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Abstract Value Members

  1. abstract def columnName(p: Predicate): String

    Returns the column name of the only column in the predicate.

    Returns the column name of the only column in the predicate. Will throw IllegalArgumentException if predicate is not a single-column predicate.

  2. abstract def isEqualToPredicate(p: Predicate): Boolean

    Returns true for predicates of type: column = value

  3. abstract def isInPredicate(p: Predicate): Boolean

    Returns true for predicates of type: column IN (value1, value2, ...)

  4. abstract def isRangePredicate(p: Predicate): Boolean

    Returns true for predicates of type: column (< | <= | >= | >) value

  5. abstract def isSingleColumnPredicate(p: Predicate): Boolean

    Returns true if the predicate restricts exactly one column.

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  1. final def !=(arg0: Any): Boolean
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  1. def finalize(): Unit
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    Deprecated

    (Since version ) see corresponding Javadoc for more information.

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