org.tinygroup.database.view.impl

Class ViewSqlProcessorImpl

java.lang.Object

org.tinygroup.database.view.impl.ViewSqlProcessorImpl

All Implemented Interfaces:

ViewSqlProcessor

Direct Known Subclasses:

Db2ViewSqlProcessorImpl, DerbyViewSqlProcessorImpl, H2ViewSqlProcessorImpl, InformixViewSqlProcessorImpl, MysqlViewSqlProcessorImpl, OracleViewSqlProcessorImpl, SqlserverViewSqlProcessorImpl, SybaseViewSqlProcessorImpl

public class ViewSqlProcessorImpl
extends Object
implements ViewSqlProcessor

Constructor Summary

Constructors

Constructor and Description
ViewSqlProcessorImpl()

Method Summary

Modifier and Type	Method and Description
boolean	checkViewExists(View view, Connection conn) 判断视图是否存在
String	getCreateSql(View view) 获取构建视图的完整sql语句
protected String	getDatabaseType()
String	getDropSql(View view) 获取删除视图的语句
String	getUpdateSql(View view) 默认获取全量

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewSqlProcessorImpl

public ViewSqlProcessorImpl()

Method Detail

getDatabaseType

protected String getDatabaseType()

getCreateSql

public String getCreateSql(View view)

Description copied from interface: ViewSqlProcessor

获取构建视图的完整sql语句

Specified by:

getCreateSql in interface ViewSqlProcessor

Parameters:

view - 视图配置信息元数据

Returns:

getDropSql

public String getDropSql(View view)

Description copied from interface: ViewSqlProcessor

获取删除视图的语句

Specified by:

getDropSql in interface ViewSqlProcessor

Parameters:

view - 视图配置信息元数据

Returns:

checkViewExists

public boolean checkViewExists(View view,
                               Connection conn)
                        throws SQLException

Description copied from interface: ViewSqlProcessor

判断视图是否存在

Specified by:

checkViewExists in interface ViewSqlProcessor

Parameters:

view - 视图元数据

conn - 当前执行创建view的连接信息

Returns:

true表示视图存在，false反之

Throws:

SQLException

getUpdateSql

public String getUpdateSql(View view)

默认获取全量

Specified by:

getUpdateSql in interface ViewSqlProcessor

Parameters:

view -

Returns: