org.apache.drill.common.expression

Interface LogicalExpression

All Superinterfaces:

Iterable<LogicalExpression>

All Known Implementing Classes:

AnyValueExpression, BooleanOperator, BooleanPredicate, CastExpression, ComparisonPredicate, ConvertExpression, DrillFuncHolderExpr, FieldReference, FunctionCall, FunctionHolderExpression, HiveFuncHolderExpr, HoldingContainerExpression, IfExpression, IsPredicate, LogicalExpressionBase, MajorTypeInLogicalExpression, NullExpression, ReturnValueExpression, SchemaPath, TypedFieldExpr, TypedNullConstant, ValueExpressions.BooleanExpression, ValueExpressions.DateExpression, ValueExpressions.Decimal18Expression, ValueExpressions.Decimal28Expression, ValueExpressions.Decimal38Expression, ValueExpressions.Decimal9Expression, ValueExpressions.DoubleExpression, ValueExpressions.FloatExpression, ValueExpressions.IntervalDayExpression, ValueExpressions.IntervalYearExpression, ValueExpressions.IntExpression, ValueExpressions.LongExpression, ValueExpressions.ParameterExpression, ValueExpressions.QuotedString, ValueExpressions.TimeExpression, ValueExpressions.TimeStampExpression, ValueExpressions.ValueExpression, ValueExpressions.VarDecimalExpression, ValueVectorReadExpression, ValueVectorWriteExpression

public interface LogicalExpression
extends Iterable<LogicalExpression>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	LogicalExpression.De
static class	LogicalExpression.Se

Method Summary

Modifier and Type	Method and Description
<T,V,E extends Exception> T	accept(ExprVisitor<T,V,E> visitor, V value)
int	getCumulativeCost()
TypeProtos.MajorType	getMajorType()
ExpressionPosition	getPosition()
int	getSelfCost()

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

getMajorType

TypeProtos.MajorType getMajorType()

accept

<T,V,E extends Exception> T accept(ExprVisitor<T,V,E> visitor,
                                   V value)
                            throws E extends Exception

Throws:

E extends Exception

getPosition

ExpressionPosition getPosition()

getSelfCost

int getSelfCost()

getCumulativeCost

int getCumulativeCost()