org.quickjava.orm

类 QuerySet

java.lang.Object

org.quickjava.orm.QuerySet

直接已知子类:

Q

public class QuerySet
extends Object

数据操作类，本类主要进行条件构建、查询、数据返回 - select 返回 List<Map<String,Object>> - find 返回 Map<String,Object> - QuerySet 是不支持层级模型返回的，只支持简单查询和join查询，数据层级封装由Model自己负责

作者:

Qlo1062-(QloPC-zs) @date 2021/1/19 10:18

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	QuerySet.TransactionCallback

构造器概要

构造器

构造器和说明
QuerySet()
QuerySet(String table)

方法概要

限定符和类型	方法和说明
Action	__Action()
List<Map<String,Object>>	__DataList()
List<String>	__FieldList()
List<String[]>	__JoinList()
Integer	__Limit()
Integer	__LimitSize()
List<String>	__Orders()
Field	__Table()
List<WhereBase>	__WhereList()
QuerySet	between(String field, Object[] valArr)
QuerySet	between(String field, Object val1, Object val2)
static void	commit() 提交事务
static void	commit(Drive drive)
static void	commit(QuerySet querySet)
static QuerySet	connect() 连接数据库（返回默认链接
Integer	count()
Integer	count(String field)
Map<String,Object>	data()
QuerySet	data(Map<String,String> data)
QuerySet	data(String field, String value)
Integer	delete()
Object	executeSql(String sql)
String	fetchSql()
QuerySet	field(List<String> fields)
QuerySet	field(String fields)
QuerySet	field(String[] fieldArr)
Map<String,Object>	find()
<T> T	find(Class<T> clazz)
String	getColumnPk()
List<TableColumn>	getColumns() 获取表全部字段
List<TableColumn>	getColumns(String table)
QuerySet	group(String fields)
Long	insert(Map<String,Object> data)
Integer	insertAll(List<DataMap> dataList)
QuerySet	join(String table, String condition)
QuerySet	join(String table, String condition, String type)
QuerySet	limit(Integer index, Integer count)
QuerySet	order(List<String> fields)
QuerySet	order(String field)
QuerySet	order(String[] fields)
QuerySet	order(String field, boolean asc)
QuerySet	order(String field, String sort)
QuerySet	page(Integer page)
QuerySet	page(Integer page, Integer size)
Pagination<Map<String,Object>>	pagination()
<T> Pagination<T>	pagination(Class<T> clazz)
<T> Pagination<T>	pagination(Class<T> clazz, Integer page, Integer pageSize)
Pagination<Map<String,Object>>	pagination(Integer page)
Pagination<Map<String,Object>>	pagination(Integer page, Integer pageSize)
static void	rollback() 事务回滚
static void	rollback(Drive drive)
static void	rollback(QuerySet querySet)
List<Map<String,Object>>	select()
<T> List<T>	select(Class<T> clazz)
static void	startTrans() 开启事务
static void	startTrans(Drive drive)
static void	startTrans(QuerySet querySet)
static QuerySet	table(String table)
static <T> T	toBean(Class<T> clazz, Map<String,Object> row)
static <T> List<T>	toBeanList(Class<T> clazz, List<Map<String,Object>> resultSet)
static void	transaction(QuerySet.TransactionCallback callback) 回调方法中执行事务
static void	transaction(QuerySet querySet, QuerySet.TransactionCallback callback)
Integer	update()
Integer	update(Map<String,Object> data)
QuerySet	where(String sql) 高级sql语句查询
QuerySet	where(String field, Object value)
QuerySet	where(String field, String operator, Object value)
QuerySet	whereOr(String field, String value)
QuerySet	whereOr(String field, String operator, String value)

从类继承的方法 java.lang.Object

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

构造器详细资料

QuerySet

public QuerySet()

QuerySet

public QuerySet(String table)

方法详细资料

connect

public static QuerySet connect()

连接数据库（返回默认链接

返回:

查询器

table

public static QuerySet table(String table)

where

public QuerySet where(String field,
                      Object value)

where

public QuerySet where(String field,
                      String operator,
                      Object value)

where

public QuerySet where(String sql)

高级sql语句查询

参数:

sql - SQL语句

返回:

查询取

between

public QuerySet between(String field,
                        Object val1,
                        Object val2)

between

public QuerySet between(String field,
                        Object[] valArr)

whereOr

public QuerySet whereOr(String field,
                        String operator,
                        String value)

whereOr

public QuerySet whereOr(String field,
                        String value)

join

public QuerySet join(String table,
                     String condition)

join

public QuerySet join(String table,
                     String condition,
                     String type)

group

public QuerySet group(String fields)

order

public QuerySet order(String field,
                      String sort)

order

public QuerySet order(String field,
                      boolean asc)

order

public QuerySet order(String field)

order

public QuerySet order(List<String> fields)

order

public QuerySet order(String[] fields)

limit

public QuerySet limit(Integer index,
                      Integer count)

page

public QuerySet page(Integer page)

page

public QuerySet page(Integer page,
                     Integer size)

field

public QuerySet field(String fields)

field

public QuerySet field(List<String> fields)

field

public QuerySet field(String[] fieldArr)

select

public List<Map<String,Object>> select()

select

public <T> List<T> select(Class<T> clazz)

find

public Map<String,Object> find()

find

public <T> T find(Class<T> clazz)

data

public QuerySet data(String field,
                     String value)

data

public QuerySet data(Map<String,String> data)

data

public Map<String,Object> data()

update

public Integer update(Map<String,Object> data)

update

public Integer update()

insert

public Long insert(Map<String,Object> data)

insertAll

public Integer insertAll(List<DataMap> dataList)

delete

public Integer delete()

getColumns

public List<TableColumn> getColumns()

获取表全部字段

返回:

字段列表

getColumns

public List<TableColumn> getColumns(String table)

getColumnPk

public String getColumnPk()

fetchSql

public String fetchSql()

executeSql

public Object executeSql(String sql)

pagination

public Pagination<Map<String,Object>> pagination()

pagination

public Pagination<Map<String,Object>> pagination(Integer page,
                                                 Integer pageSize)

pagination

public Pagination<Map<String,Object>> pagination(Integer page)

pagination

public <T> Pagination<T> pagination(Class<T> clazz,
                                    Integer page,
                                    Integer pageSize)

pagination

public <T> Pagination<T> pagination(Class<T> clazz)

count

public Integer count()

count

public Integer count(String field)

toBeanList

public static <T> List<T> toBeanList(Class<T> clazz,
                                     List<Map<String,Object>> resultSet)

toBean

public static <T> T toBean(Class<T> clazz,
                           Map<String,Object> row)

startTrans

public static void startTrans()

开启事务

startTrans

public static void startTrans(QuerySet querySet)

startTrans

public static void startTrans(Drive drive)

commit

public static void commit()

提交事务

commit

public static void commit(QuerySet querySet)

commit

public static void commit(Drive drive)

rollback

public static void rollback()

事务回滚

rollback

public static void rollback(QuerySet querySet)

rollback

public static void rollback(Drive drive)

transaction

public static void transaction(QuerySet.TransactionCallback callback)

回调方法中执行事务

参数:

callback - 事务回调方法

transaction

public static void transaction(QuerySet querySet,
                               QuerySet.TransactionCallback callback)

__WhereList

public List<WhereBase> __WhereList()

__Action

public Action __Action()

__FieldList

public List<String> __FieldList()

__Table

public Field __Table()

__Limit

public Integer __Limit()

__LimitSize

public Integer __LimitSize()

__Orders

public List<String> __Orders()

__DataList

public List<Map<String,Object>> __DataList()

__JoinList

public List<String[]> __JoinList()