Package org.apache.spark.sql.connector.expressions

package org.apache.spark.sql.connector.expressions
  • Class
    Description
    Cast
    Represents a cast expression in the public logical expression API.
    Expression
    Base class of the public logical expression API.
    Expressions
    Helper methods to create logical transforms to pass into Spark.
    Extract
    Represent an extract function, which extracts and returns the value of a specified datetime field from a datetime or interval value expression.
    GeneralScalarExpression
    The general representation of SQL scalar expressions, which contains the upper-cased expression name and all the children expressions.
    Lit
    Convenience extractor for any Literal.
    Literal<T>
    Represents a constant literal value in the public expression API.
    LogicalExpressions
    Helper methods for working with the logical expressions API.
    NamedReference
    Represents a field or column reference in the public logical expression API.
    NamedTransform
    Convenience extractor for any Transform.
    NullOrdering
    A null order used in sorting expressions.
    Ref
    Convenience extractor for any NamedReference.
    RewritableTransform
    Allows Spark to rewrite the given references of the transform during analysis.
    SortDirection
    A sort direction used in sorting expressions.
    SortOrder
    Represents a sort order in the public expression API.
    Transform
    Represents a transform function in the public logical expression API.
    UserDefinedScalarFunc
    The general representation of user defined scalar function, which contains the upper-cased function name, canonical function name and all the children expressions.