org.apache.shardingsphere.infra.optimize.converter.segment.orderby.item

类 OrderByItemConverterUtil

java.lang.Object

org.apache.shardingsphere.infra.optimize.converter.segment.orderby.item.OrderByItemConverterUtil

public final class OrderByItemConverterUtil
extends Object

Order by item converter utility.

构造器概要

构造器

构造器和说明
OrderByItemConverterUtil()

方法概要

限定符和类型	方法和说明
static Collection<org.apache.calcite.sql.SqlNode>	convertToSQLNode(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.order.item.OrderByItemSegment> orderByItems) Convert order by items to sql node.
static Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.order.item.OrderByItemSegment>	convertToSQLSegment(org.apache.calcite.sql.SqlNodeList sqlNodeList) Convert sql node list to order by items.

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

OrderByItemConverterUtil

public OrderByItemConverterUtil()

方法详细资料

convertToSQLNode

public static Collection<org.apache.calcite.sql.SqlNode> convertToSQLNode(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.order.item.OrderByItemSegment> orderByItems)

Convert order by items to sql node.

参数:

orderByItems - order by item list

返回:

SQL nodes converted by order by item

convertToSQLSegment

public static Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.order.item.OrderByItemSegment> convertToSQLSegment(org.apache.calcite.sql.SqlNodeList sqlNodeList)

Convert sql node list to order by items.

参数:

sqlNodeList - sql node list

返回:

order by items converted by sql node list