org.apache.shardingsphere.shadow.route.engine.util

类 ShadowExtractor

java.lang.Object

org.apache.shardingsphere.shadow.route.engine.util.ShadowExtractor

public final class ShadowExtractor
extends Object

Shadow extractor.

构造器概要

构造器

构造器和说明
ShadowExtractor()

方法概要

限定符和类型	方法和说明
static Optional<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment>	extractColumn(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.ExpressionSegment expressionSegment) Get column in expression segment.
static Optional<Collection<Comparable<?>>>	extractValues(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.ExpressionSegment expression, List<Object> parameters) Get values in expression segment.

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

ShadowExtractor

public ShadowExtractor()

方法详细资料

extractColumn

public static Optional<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment> extractColumn(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.ExpressionSegment expressionSegment)

Get column in expression segment.

参数:

expressionSegment - expression segment

返回:

column segment

extractValues

public static Optional<Collection<Comparable<?>>> extractValues(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.ExpressionSegment expression,
                                                                List<Object> parameters)

Get values in expression segment.

参数:

expression - expression segment

parameters - parameters

返回:

values