io.shardingsphere.core.parsing.antlr.extractor.impl

类 FromWhereExtractor

java.lang.Object

io.shardingsphere.core.parsing.antlr.extractor.impl.FromWhereExtractor

所有已实现的接口:

OptionalSQLSegmentExtractor, SQLSegmentExtractor

public final class FromWhereExtractor
extends Object
implements OptionalSQLSegmentExtractor

From clause extractor.

作者:

duhongjun

构造器概要

构造器

构造器和说明
FromWhereExtractor()

方法概要

限定符和类型	方法和说明
com.google.common.base.Optional<FromWhereSegment>	extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode) Extract SQL segment from SQL AST.
com.google.common.base.Optional<FromWhereSegment>	extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode, org.antlr.v4.runtime.ParserRuleContext rootNode) Extract SQL segment from SQL AST.

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

FromWhereExtractor

public FromWhereExtractor()

方法详细资料

extract

public com.google.common.base.Optional<FromWhereSegment> extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode)

从接口复制的说明: OptionalSQLSegmentExtractor

Extract SQL segment from SQL AST.

指定者:

extract 在接口中 OptionalSQLSegmentExtractor

参数:

ancestorNode - ancestor node of AST

返回:

SQL segment

extract

public com.google.common.base.Optional<FromWhereSegment> extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode,
                                                                 org.antlr.v4.runtime.ParserRuleContext rootNode)

Extract SQL segment from SQL AST.

参数:

ancestorNode - ancestor node of AST

rootNode - root node of AST

返回:

SQL segment