io.delta.kernel.internal.util

Class ExpressionUtils

Object

io.delta.kernel.internal.util.ExpressionUtils

public class ExpressionUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
ExpressionUtils()

Method Summary

Modifier and Type	Method and Description
static Predicate	asPredicate(Expression expression) Return an expression cast as a predicate, throw an error if it is not a predicate
static Expression	getLeft(Expression expression) Utility method to return the left child of the binary input expression
static Expression	getRight(Expression expression) Utility method to return the right child of the binary input expression
static Expression	getUnaryChild(Expression expression) Utility method to return the single child of the unary input expression

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpressionUtils

public ExpressionUtils()

Method Detail

asPredicate

public static Predicate asPredicate(Expression expression)

Return an expression cast as a predicate, throw an error if it is not a predicate

getLeft

public static Expression getLeft(Expression expression)

Utility method to return the left child of the binary input expression

getRight

public static Expression getRight(Expression expression)

Utility method to return the right child of the binary input expression

getUnaryChild

public static Expression getUnaryChild(Expression expression)

Utility method to return the single child of the unary input expression