Package dev.frostlake.executor.operators

Class LimitOperator

java.lang.Object

dev.frostlake.executor.operators.LimitOperator

All Implemented Interfaces:

Operator

public class LimitOperator
extends Object
implements Operator

LIMIT operator - restricts the number of rows returned. Supports both LIMIT N and LIMIT N OFFSET M syntax.

Constructor Summary

Constructors

Constructor	Description
LimitOperator(int limit)
LimitOperator(int limit, int offset)

Method Summary

Modifier and Type	Method	Description
List<Row>	execute(List<Row> input, OperatorContext context)	Execute this operator on the input rows.
String	getDescription()	Get a description of this operator for debugging/logging.

Methods inherited from class java.lang.Object

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

Constructor Details

LimitOperator

public LimitOperator(int limit,
 int offset)

LimitOperator

public LimitOperator(int limit)

Method Details

execute

public List<Row> execute(List<Row> input,
 OperatorContext context)

Description copied from interface: Operator

Execute this operator on the input rows.

Specified by:

execute in interface Operator

Parameters:

input - The input rows from the previous operator

context - The execution context containing table metadata and other information

Returns:

The output rows after applying this operator

getDescription

public String getDescription()

Description copied from interface: Operator

Get a description of this operator for debugging/logging.

Specified by:

getDescription in interface Operator

Returns:

A human-readable description of the operator