org.apache.shardingsphere.core.parse.antlr.sql.statement.ddl

Class AlterTableStatement

java.lang.Object

org.apache.shardingsphere.core.parse.antlr.sql.statement.AbstractSQLStatement

org.apache.shardingsphere.core.parse.antlr.sql.statement.ddl.DDLStatement

org.apache.shardingsphere.core.parse.antlr.sql.statement.ddl.AlterTableStatement

All Implemented Interfaces:

SQLStatement

public final class AlterTableStatement
extends DDLStatement

Alter table statement.

Author:

duhongjun

Constructor Summary

Constructors

Constructor and Description
AlterTableStatement()

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<ColumnDefinitionSegment>	findColumnDefinition(String columnName, ShardingTableMetaData shardingTableMetaData) Find column definition.
com.google.common.base.Optional<ColumnDefinitionSegment>	findColumnDefinitionFromMetaData(String columnName, ShardingTableMetaData shardingTableMetaData) Find column definition from meta data.
com.google.common.base.Optional<String>	getNewTableName() Get new table name.

Methods inherited from class org.apache.shardingsphere.core.parse.antlr.sql.statement.ddl.DDLStatement

isDDL

Methods inherited from class org.apache.shardingsphere.core.parse.antlr.sql.statement.AbstractSQLStatement

addSQLToken, findSQLToken, getSQLTokens, increaseParametersIndex

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.shardingsphere.core.parse.antlr.sql.statement.SQLStatement

getEncryptConditions, getLogicSQL, getParametersIndex, getRouteConditions, getTables, getType, setLogicSQL

Constructor Detail

AlterTableStatement

public AlterTableStatement()

Method Detail

getNewTableName

public com.google.common.base.Optional<String> getNewTableName()

Get new table name.

Returns:

new table name

findColumnDefinition

public com.google.common.base.Optional<ColumnDefinitionSegment> findColumnDefinition(String columnName,
                                                                                     ShardingTableMetaData shardingTableMetaData)

Find column definition.

Parameters:

columnName - column name

shardingTableMetaData - sharding table meta data

Returns:

column definition

findColumnDefinitionFromMetaData

public com.google.common.base.Optional<ColumnDefinitionSegment> findColumnDefinitionFromMetaData(String columnName,
                                                                                                 ShardingTableMetaData shardingTableMetaData)

Find column definition from meta data.

Parameters:

columnName - column name

shardingTableMetaData - sharding table meta data

Returns:

column definition