org.aoju.bus.shade.screw.dialect.mysql

Class MySqlDataBaseQuery

java.lang.Object

org.aoju.bus.shade.screw.dialect.AbstractDatabaseQuery

org.aoju.bus.shade.screw.dialect.mysql.MySqlDataBaseQuery

All Implemented Interfaces:

DatabaseQuery

public class MySqlDataBaseQuery
extends AbstractDatabaseQuery

mysql 数据库查询 这里需要注意一点，jdbc url 一定要带有 useInformationSchema=true 或者通过配置文件方式配置上,这样才会走 DatabaseMetaDataUsingInfoSchema 元数据查询，查询的数据库表为INFORMATION_SCHEMA

Since:

JDK 1.8+

Version:

6.2.2

Author:

Kimi Liu

Field Summary

Fields inherited from class org.aoju.bus.shade.screw.dialect.AbstractDatabaseQuery

columnsCaching, connection

Constructor Summary

Constructors

Constructor and Description
MySqlDataBaseQuery(DataSource dataSource) 构造函数

Method Summary

Modifier and Type	Method and Description
Database	getDataBase() 获取数据库
List<? extends PrimaryKey>	getPrimaryKeys() 根据表名获取主键信息
List<? extends PrimaryKey>	getPrimaryKeys(String table) 根据表名获取主键
List<? extends Column>	getTableColumns() 获取所有列信息
List<MySqlColumn>	getTableColumns(String table) 获取列信息
List<MySqlTable>	getTables() 获取表信息

Methods inherited from class org.aoju.bus.shade.screw.dialect.AbstractDatabaseQuery

close, close, close, close, getCatalog, getMetaData, getSchema, prepareStatement

Methods inherited from class java.lang.Object

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

Constructor Detail

MySqlDataBaseQuery

public MySqlDataBaseQuery(DataSource dataSource)

构造函数

Parameters:

dataSource - DataSource

Method Detail

getDataBase

public Database getDataBase()
                     throws org.aoju.bus.core.lang.exception.InstrumentException

获取数据库

Returns:

Database 数据库信息

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常

getTables

public List<MySqlTable> getTables()
                           throws org.aoju.bus.core.lang.exception.InstrumentException

获取表信息

Returns:

List 所有表信息

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常

getTableColumns

public List<MySqlColumn> getTableColumns(String table)
                                  throws org.aoju.bus.core.lang.exception.InstrumentException

获取列信息

Parameters:

table - String 表名

Returns:

List 表字段信息

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常

getTableColumns

public List<? extends Column> getTableColumns()
                                       throws org.aoju.bus.core.lang.exception.InstrumentException

获取所有列信息

Returns:

List 表字段信息

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常

getPrimaryKeys

public List<? extends PrimaryKey> getPrimaryKeys(String table)
                                          throws org.aoju.bus.core.lang.exception.InstrumentException

根据表名获取主键

Parameters:

table - String

Returns:

List

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常

getPrimaryKeys

public List<? extends PrimaryKey> getPrimaryKeys()
                                          throws org.aoju.bus.core.lang.exception.InstrumentException

根据表名获取主键信息

Specified by:

getPrimaryKeys in interface DatabaseQuery

Overrides:

getPrimaryKeys in class AbstractDatabaseQuery

Returns:

List

Throws:

org.aoju.bus.core.lang.exception.InstrumentException - 异常