org.apache.shardingsphere.sqlfederation.optimizer

类 SQLOptimizeEngine

java.lang.Object

org.apache.shardingsphere.sqlfederation.optimizer.SQLOptimizeEngine

public final class SQLOptimizeEngine
extends Object

SQL optimize engine.

构造器概要

构造器

构造器和说明
SQLOptimizeEngine()

方法概要

限定符和类型	方法和说明
SQLOptimizeContext	optimize(org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement sqlStatement) Optimize query execution plan.

从类继承的方法 java.lang.Object

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

构造器详细资料

SQLOptimizeEngine

public SQLOptimizeEngine()

方法详细资料

optimize

public SQLOptimizeContext optimize(org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement sqlStatement)

Optimize query execution plan.

参数:

sqlStatement - SQL statement

返回:

optimized relational node