org.apache.shardingsphere.sql.parser.core.extractor.impl.ddl.column

Class ModifyColumnDefinitionExtractor

java.lang.Object

org.apache.shardingsphere.sql.parser.core.extractor.impl.ddl.column.ModifyColumnDefinitionExtractor

All Implemented Interfaces:

CollectionSQLSegmentExtractor, SQLSegmentExtractor

public class ModifyColumnDefinitionExtractor
extends Object
implements CollectionSQLSegmentExtractor

Modify column definition extractor.

Author:

duhongjun

Constructor Summary

Constructors

Constructor and Description
ModifyColumnDefinitionExtractor()

Method Summary

Modifier and Type	Method and Description
Collection<ModifyColumnDefinitionSegment>	extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode, Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes) Extract SQL segments from SQL AST.
protected void	postExtractColumnDefinition(org.antlr.v4.runtime.ParserRuleContext modifyColumnNode, ModifyColumnDefinitionSegment modifyColumnDefinitionSegment, Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes)

Methods inherited from class java.lang.Object

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

Constructor Detail

ModifyColumnDefinitionExtractor

public ModifyColumnDefinitionExtractor()

Method Detail

extract

public final Collection<ModifyColumnDefinitionSegment> extract(org.antlr.v4.runtime.ParserRuleContext ancestorNode,
                                                               Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes)

Description copied from interface: CollectionSQLSegmentExtractor

Extract SQL segments from SQL AST.

Specified by:

extract in interface CollectionSQLSegmentExtractor

Parameters:

ancestorNode - ancestor node of AST

parameterMarkerIndexes - parameter marker indexes

Returns:

SQL segments

postExtractColumnDefinition

protected void postExtractColumnDefinition(org.antlr.v4.runtime.ParserRuleContext modifyColumnNode,
                                           ModifyColumnDefinitionSegment modifyColumnDefinitionSegment,
                                           Map<org.antlr.v4.runtime.ParserRuleContext,Integer> parameterMarkerIndexes)