cn.smallbun.screw.core.query

类 AbstractDatabaseQuery

java.lang.Object

cn.smallbun.screw.core.query.AbstractDatabaseQuery

所有已实现的接口:

DatabaseQuery, Serializable

直接已知子类:

CacheDbDataBaseQuery, Db2DataBaseQuery, DmDataBaseQuery, H2DataBaseQuery, HigHgoDataBaseQuery, HsqlDataBaseQuery, MariaDbDataBaseQuery, MySqlDataBaseQuery, OracleDataBaseQuery, OtherDataBaseQuery, PostgreSqlDataBaseQuery, SqliteDataBaseQuery, SqlServerDataBaseQuery

public abstract class AbstractDatabaseQuery
extends Object
implements DatabaseQuery

AbstractDataBaseQuery

作者:

SanLi Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 12:50

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
protected Connection	connection Connection 双重锁，线程安全

构造器概要

构造器

构造器和说明
AbstractDatabaseQuery(DataSource dataSource)

方法概要

限定符和类型	方法和说明
protected String	getCatalog() 获取 getCatalog
protected DatabaseMetaData	getMetaData() 获取 DatabaseMetaData
List<? extends PrimaryKey>	getPrimaryKeys() 根据表名获取主键
protected String	getSchema() 获取 getSchema
protected PreparedStatement	prepareStatement(String sql) 准备声明

从类继承的方法 java.lang.Object

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

从接口继承的方法 cn.smallbun.screw.core.query.DatabaseQuery

getDataBase, getPrimaryKeys, getTableColumns, getTableColumns, getTables

字段详细资料

connection

protected volatile Connection connection

Connection 双重锁，线程安全

构造器详细资料

AbstractDatabaseQuery

public AbstractDatabaseQuery(DataSource dataSource)

方法详细资料

getCatalog

protected String getCatalog()
                     throws QueryException

获取 getCatalog

返回:

String

抛出:

QueryException - QueryException

getSchema

protected String getSchema()
                    throws QueryException

获取 getSchema

返回:

String

抛出:

QueryException - QueryException

getMetaData

protected DatabaseMetaData getMetaData()
                                throws QueryException

获取 DatabaseMetaData

返回:

DatabaseMetaData

抛出:

QueryException - QueryException

prepareStatement

protected PreparedStatement prepareStatement(String sql)
                                      throws QueryException

准备声明

参数:

sql - String SQL

返回:

PreparedStatement

抛出:

QueryException - QueryException

getPrimaryKeys

public List<? extends PrimaryKey> getPrimaryKeys()
                                          throws QueryException

根据表名获取主键

指定者:

getPrimaryKeys 在接口中 DatabaseQuery

返回:

List

抛出:

QueryException - QueryException