Class JoinExecutor

java.lang.Object

com.loomcache.server.query.JoinExecutor

public class JoinExecutor
extends Object

Executes SQL JOIN operations. Supports INNER, LEFT, RIGHT, and CROSS joins using hash join strategy.

Constructor Summary

Constructors

Constructor	Description
JoinExecutor()

Method Summary

Modifier and Type	Method	Description
static List<SqlRow>	executeJoin(List<SqlRow> leftRows, List<SqlRow> rightRows, QueryPlan.Join join)	Executes a single join between two rowsets.

Methods inherited from class Object

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

Constructor Details

JoinExecutor

public JoinExecutor()

Method Details

executeJoin

public static List<SqlRow> executeJoin(List<SqlRow> leftRows,
 List<SqlRow> rightRows,
 QueryPlan.Join join)

Executes a single join between two rowsets.

Parameters:

leftRows - the left-hand side rows

rightRows - the right-hand side rows

join - the join specification

Returns:

the result rows after joining