org.apache.iceberg.expressions

Class Expressions

java.lang.Object

org.apache.iceberg.expressions.Expressions

public class Expressions
extends java.lang.Object

Factory methods for creating expressions.

Method Summary

Modifier and Type	Method and Description
static False	alwaysFalse()
static True	alwaysTrue()
static Expression	and(Expression left, Expression right)
static Expression	and(Expression left, Expression right, Expression... expressions)
static <T> UnboundPredicate<T>	equal(java.lang.String name, T value)
static <T> UnboundPredicate<T>	greaterThan(java.lang.String name, T value)
static <T> UnboundPredicate<T>	greaterThanOrEqual(java.lang.String name, T value)
static <T> UnboundPredicate<T>	isNull(java.lang.String name)
static <T> UnboundPredicate<T>	lessThan(java.lang.String name, T value)
static <T> UnboundPredicate<T>	lessThanOrEqual(java.lang.String name, T value)
static Expression	not(Expression child)
static <T> UnboundPredicate<T>	notEqual(java.lang.String name, T value)
static <T> UnboundPredicate<T>	notNull(java.lang.String name)
static Expression	or(Expression left, Expression right)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name, Literal<T> lit)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name, T value)
static Expression	rewriteNot(Expression expr)
static UnboundPredicate<java.lang.String>	startsWith(java.lang.String name, java.lang.String value)

Methods inherited from class java.lang.Object

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

Method Detail

and

public static Expression and(Expression left,
                             Expression right)

and

public static Expression and(Expression left,
                             Expression right,
                             Expression... expressions)

or

public static Expression or(Expression left,
                            Expression right)

not

public static Expression not(Expression child)

isNull

public static <T> UnboundPredicate<T> isNull(java.lang.String name)

notNull

public static <T> UnboundPredicate<T> notNull(java.lang.String name)

lessThan

public static <T> UnboundPredicate<T> lessThan(java.lang.String name,
                                               T value)

lessThanOrEqual

public static <T> UnboundPredicate<T> lessThanOrEqual(java.lang.String name,
                                                      T value)

greaterThan

public static <T> UnboundPredicate<T> greaterThan(java.lang.String name,
                                                  T value)

greaterThanOrEqual

public static <T> UnboundPredicate<T> greaterThanOrEqual(java.lang.String name,
                                                         T value)

equal

public static <T> UnboundPredicate<T> equal(java.lang.String name,
                                            T value)

notEqual

public static <T> UnboundPredicate<T> notEqual(java.lang.String name,
                                               T value)

startsWith

public static UnboundPredicate<java.lang.String> startsWith(java.lang.String name,
                                                            java.lang.String value)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name,
                                                T value)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name,
                                                Literal<T> lit)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name)

alwaysTrue

public static True alwaysTrue()

alwaysFalse

public static False alwaysFalse()

rewriteNot

public static Expression rewriteNot(Expression expr)