io.crate.operation.operator

Class LtOperator

java.lang.Object

io.crate.metadata.Scalar<java.lang.Boolean,I>

io.crate.operation.operator.Operator<java.lang.Object>

io.crate.operation.operator.CmpOperator

io.crate.operation.operator.LtOperator

All Implemented Interfaces:

OperatorFormatSpec, FunctionImplementation<Function>

public class LtOperator
extends CmpOperator

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Fields inherited from class io.crate.operation.operator.CmpOperator

info

Fields inherited from class io.crate.operation.operator.Operator

RETURN_TYPE

Method Summary

Modifier and Type	Method and Description
protected boolean	compare(int comparisonResult) called inside #normalizeSymbol(io.crate.analyze.symbol.Function) in order to interpret the result of compareTo subclass has to implement this to evaluate the -1, 0, 1 to boolean e.g.
static void	register(OperatorModule module)

Methods inherited from class io.crate.operation.operator.CmpOperator

evaluate, info

Methods inherited from class io.crate.operation.operator.Operator

generateInfo, operator

Methods inherited from class io.crate.metadata.Scalar

anyNonLiterals, compile, containsNullLiteral, hasNullInputs, normalizeSymbol

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.crate.metadata.FunctionImplementation

normalizeSymbol

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

Method Detail

register

public static void register(OperatorModule module)

compare

protected boolean compare(int comparisonResult)

Description copied from class: CmpOperator

called inside #normalizeSymbol(io.crate.analyze.symbol.Function) in order to interpret the result of compareTo subclass has to implement this to evaluate the -1, 0, 1 to boolean e.g. for Lt -1 is true, 0 and 1 is false.

Specified by:

compare in class CmpOperator

Parameters:

comparisonResult - the result of someLiteral.compareTo(otherLiteral)

Returns:

true/false