org.apache.phoenix.util

Class ExpressionUtil

java.lang.Object

org.apache.phoenix.util.ExpressionUtil

public class ExpressionUtil
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static LiteralExpression	getConstantExpression(Expression expression, ImmutableBytesWritable ptr)
static LiteralExpression	getNullExpression(Expression expression)
static boolean	isConstant(Expression expression)
static boolean	isNull(Expression expression, ImmutableBytesWritable ptr)

Methods inherited from class java.lang.Object

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

Method Detail

isConstant

public static boolean isConstant(Expression expression)

getConstantExpression

public static LiteralExpression getConstantExpression(Expression expression,
                                      ImmutableBytesWritable ptr)
                                               throws SQLException

Throws:

SQLException

isNull

public static boolean isNull(Expression expression,
             ImmutableBytesWritable ptr)

getNullExpression

public static LiteralExpression getNullExpression(Expression expression)
                                           throws SQLException

Throws:

SQLException