org.apache.shardingsphere.sql.parser.core.extractor.impl.dml

Class WhereExtractor

java.lang.Object

org.apache.shardingsphere.sql.parser.core.extractor.impl.dml.WhereExtractor

All Implemented Interfaces:

OptionalSQLSegmentExtractor, SQLSegmentExtractor

public final class WhereExtractor
extends Object
implements OptionalSQLSegmentExtractor

Where extractor.

Author:

duhongjun, zhangliang

Constructor Summary

Constructors

Constructor and Description
WhereExtractor()

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<WhereSegment>	extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode, Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes) Extract SQL segment from SQL AST.

Methods inherited from class java.lang.Object

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

Constructor Detail

WhereExtractor

public WhereExtractor()

Method Detail

extract

public com.google.common.base.Optional<WhereSegment> extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode,
                                                             Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes)

Description copied from interface: OptionalSQLSegmentExtractor

Extract SQL segment from SQL AST.

Specified by:

extract in interface OptionalSQLSegmentExtractor

Parameters:

ancestorNode - ancestor node of AST

parameterMarkerIndexes - parameter marker indexes

Returns:

SQL segment