org.apache.shardingsphere.core.parse.antlr.extractor.impl.ddl.column

Class AddColumnDefinitionExtractor

java.lang.Object

org.apache.shardingsphere.core.parse.antlr.extractor.impl.ddl.column.AddColumnDefinitionExtractor

All Implemented Interfaces:

CollectionSQLSegmentExtractor, SQLSegmentExtractor

public class AddColumnDefinitionExtractor
extends Object
implements CollectionSQLSegmentExtractor

Add column definition extractor.

Author:

duhongjun

Constructor Summary

Constructors

Constructor and Description
AddColumnDefinitionExtractor()

Method Summary

Modifier and Type	Method and Description
Collection<AddColumnDefinitionSegment>	extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode) Extract SQL segments from SQL AST.
protected void	postExtractColumnDefinition(org.antlr.v4.runtime.ParserRuleContext addColumnNode, AddColumnDefinitionSegment addColumnDefinitionSegment)

Methods inherited from class java.lang.Object

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

Constructor Detail

AddColumnDefinitionExtractor

public AddColumnDefinitionExtractor()

Method Detail

extract

public final Collection<AddColumnDefinitionSegment> extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode)

Description copied from interface: CollectionSQLSegmentExtractor

Extract SQL segments from SQL AST.

Specified by:

extract in interface CollectionSQLSegmentExtractor

Parameters:

ancestorNode - ancestor node of AST

Returns:

SQL segments

postExtractColumnDefinition

protected void postExtractColumnDefinition(org.antlr.v4.runtime.ParserRuleContext addColumnNode,
                                           AddColumnDefinitionSegment addColumnDefinitionSegment)