org.nutz.dao.impl.jdbc.mysql

Class MysqlJdbcExpert

java.lang.Object

org.nutz.dao.impl.jdbc.AbstractJdbcExpert

org.nutz.dao.impl.jdbc.mysql.MysqlJdbcExpert

All Implemented Interfaces:

JdbcExpert

Direct Known Subclasses:

DerbyJdbcExpert

public class MysqlJdbcExpert
extends AbstractJdbcExpert

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	META_CHARSET
protected static String	META_ENGINE
protected static String	META_INTLEN

Fields inherited from class org.nutz.dao.impl.jdbc.AbstractJdbcExpert

conf, keywords

Constructor Summary

Constructors

Constructor and Description
MysqlJdbcExpert(JdbcExpertConfigFile conf)

Method Summary

Modifier and Type	Method and Description
boolean	canCommentWhenAddIndex()
void	checkDataSource(Connection conn)
boolean	createEntity(Dao dao, Entity<?> en) 根据实体信息，返回某实体的建表语句
protected Sql	createRelation(Dao dao, LinkField lf)
protected String	createResultSetMetaSql(Entity<?> en)
String	evalFieldType(MappingField mf)
Pojo	fetchPojoId(Entity<?> en, MappingField idField)
void	formatQuery(Pojo pojo)
void	formatQuery(Sql sql)
ValueAdaptor	getAdaptor(MappingField ef) 根据字段类型为其获取一个字段适配器
String	getDatabaseType()

Methods inherited from class org.nutz.dao.impl.jdbc.AbstractJdbcExpert

addColumnNeedColumn, addComment, addComment, addDefaultValue, createAddColumnSql, createIndexs, createIndexSql, createPojo, createRelation, dropEntity, dropRelation, formatQuery, getConf, getDefaultValue, getIndexNames, getKeywords, gSQL, isSupportAutoIncrement, isSupportGeneratedKeys, makePksName, setKeywords, setupEntityField, supportTimestampDefault, wrap, wrap, wrapKeywork

Methods inherited from class java.lang.Object

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

Field Detail

META_ENGINE

protected static final String META_ENGINE

See Also:

Constant Field Values

META_CHARSET

protected static final String META_CHARSET

See Also:

Constant Field Values

META_INTLEN

protected static final String META_INTLEN

See Also:

Constant Field Values

Constructor Detail

MysqlJdbcExpert

public MysqlJdbcExpert(JdbcExpertConfigFile conf)

Method Detail

getDatabaseType

public String getDatabaseType()

Returns:

当前数据库类型，名称参见 DB 这个枚举类型

See Also:

DB

formatQuery

public void formatQuery(Pojo pojo)

Specified by:

formatQuery in class AbstractJdbcExpert

formatQuery

public void formatQuery(Sql sql)

Overrides:

formatQuery in class AbstractJdbcExpert

evalFieldType

public String evalFieldType(MappingField mf)

Specified by:

evalFieldType in interface JdbcExpert

Overrides:

evalFieldType in class AbstractJdbcExpert

createEntity

public boolean createEntity(Dao dao,
                            Entity<?> en)

Description copied from interface: JdbcExpert

根据实体信息，返回某实体的建表语句

en - 实体

Returns:

是否创建成功

createResultSetMetaSql

protected String createResultSetMetaSql(Entity<?> en)

Overrides:

createResultSetMetaSql in class AbstractJdbcExpert

fetchPojoId

public Pojo fetchPojoId(Entity<?> en,
                        MappingField idField)

Specified by:

fetchPojoId in interface JdbcExpert

Overrides:

fetchPojoId in class AbstractJdbcExpert

getAdaptor

public ValueAdaptor getAdaptor(MappingField ef)

Description copied from interface: JdbcExpert

根据字段类型为其获取一个字段适配器

Specified by:

getAdaptor in interface JdbcExpert

Overrides:

getAdaptor in class AbstractJdbcExpert

Parameters:

ef - 实体数据库映射字段

Returns:

ValueAdaptor 工厂类的实例

checkDataSource

public void checkDataSource(Connection conn)
                     throws SQLException

Specified by:

checkDataSource in interface JdbcExpert

Overrides:

checkDataSource in class AbstractJdbcExpert

Throws:

SQLException

canCommentWhenAddIndex

public boolean canCommentWhenAddIndex()

Specified by:

canCommentWhenAddIndex in interface JdbcExpert

Overrides:

canCommentWhenAddIndex in class AbstractJdbcExpert

createRelation

protected Sql createRelation(Dao dao,
                             LinkField lf)

Overrides:

createRelation in class AbstractJdbcExpert