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(DatabaseConfig config)
QuerySet(String table)

方法概要

限定符和类型	方法和说明
QuerySet	between(String field, Object v1, Object v2)
String	buildSql()
static void	commit() 提交事务
static void	commit(Drive drive)
Integer	count()
Integer	count(String field)
Map<String,Object>	data()
QuerySet	data(Map<String,Object> data)
QuerySet	data(String field, Object value)
Integer	delete()
QuerySet	distinct(boolean distinct)
<T> T	execute(String sql)
QuerySet	fetchSql(boolean fetch)
QuerySet	field(List<String> fields) 限定查询返回的数据字段
QuerySet	field(String field) 限定查询返回的数据字段
QuerySet	field(String[] fields) 限定查询返回的数据字段 支持书写格式：table.field、table.field tableField、table.field table_field、field
Map<String,Object>	find()
List<TableColumn>	getColumns() 获取表全部字段
List<TableColumn>	getColumns(String table)
QuerySet	group(String fields)
QuerySet	having(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	lock(boolean lock)
QuerySet	order(List<String> fields)
QuerySet	order(String fields)
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()
Pagination<Map<String,Object>>	pagination(Integer page)
Pagination<Map<String,Object>>	pagination(Integer page, Integer pageSize)
String	pk()
<T> T	query(String sql)
static void	rollback() 事务回滚
static void	rollback(Drive drive)
List<Map<String,Object>>	select()
static void	startTrans() 开启事务
static void	startTrans(Drive drive)
static QuerySet	table(String table)
static void	transaction(Drive drive, QuerySet.TransactionCallback callback)
static void	transaction(QuerySet.TransactionCallback callback) 回调方法中执行事务
QuerySet	union(String sql)
QuerySet	union(String[] sqlArr)
Integer	update()
Integer	update(Map<String,Object> data)
QuerySet	where(List<Where> wheres)
QuerySet	where(String sql) 高级sql语句查询
QuerySet	where(String field, org.quickjava.common.enums.DatetimeCurrType currType)
QuerySet	where(String field, org.quickjava.common.enums.DatetimeRangeType range)
QuerySet	where(String field, Object value)
QuerySet	where(String field, Operator operator, Object value)
QuerySet	where(Where where)
QuerySet	where(WhereCallback callback) 闭包查询
QuerySet	whereOr(String sql)
QuerySet	whereOr(String field, Object value) OR查询
QuerySet	whereOr(String field, Operator operator, Object value)
QuerySet	whereOr(WhereCallback callback)

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)

QuerySet

public QuerySet(DatabaseConfig config)

方法详细资料

table

public static QuerySet table(String table)

join

public QuerySet join(String table,
                     String condition)

join

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

field

public QuerySet field(String field)

限定查询返回的数据字段

参数:

field - 字段

返回:

查询器

field

public QuerySet field(List<String> fields)

限定查询返回的数据字段

参数:

fields - 字段

返回:

查询器

field

public QuerySet field(String[] fields)

限定查询返回的数据字段 支持书写格式：table.field、table.field tableField、table.field table_field、field

参数:

fields - 字段

返回:

查询器

where

public QuerySet where(String field,
                      Object value)

where

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

where

public QuerySet where(String sql)

高级sql语句查询

参数:

sql - SQL语句

返回:

查询器

where

public QuerySet where(Where where)

where

public QuerySet where(List<Where> wheres)

where

public QuerySet where(WhereCallback callback)

闭包查询

参数:

callback - 闭包方法

返回:

查询器

where

public QuerySet where(String field,
                      org.quickjava.common.enums.DatetimeRangeType range)

where

public QuerySet where(String field,
                      org.quickjava.common.enums.DatetimeCurrType currType)

whereOr

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

whereOr

public QuerySet whereOr(String field,
                        Object value)

OR查询

参数:

field - 字段名

value - 数值

返回:

查询器

whereOr

public QuerySet whereOr(String sql)

whereOr

public QuerySet whereOr(WhereCallback callback)

between

public QuerySet between(String field,
                        Object v1,
                        Object v2)

group

public QuerySet group(String fields)

having

public QuerySet having(String fields)

order

public QuerySet order(String field,
                      String sort)

order

public QuerySet order(String field,
                      boolean asc)

order

public QuerySet order(String fields)

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)

union

public QuerySet union(String sql)

union

public QuerySet union(String[] sqlArr)

distinct

public QuerySet distinct(boolean distinct)

lock

public QuerySet lock(boolean lock)

select

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

find

public Map<String,Object> find()

data

public QuerySet data(String field,
                     Object value)

data

public QuerySet data(Map<String,Object> 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)

pk

public String pk()

buildSql

public String buildSql()

fetchSql

public QuerySet fetchSql(boolean fetch)

execute

public <T> T execute(String sql)

query

public <T> T query(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)

count

public Integer count()

count

public Integer count(String field)

startTrans

public static void startTrans()

开启事务

startTrans

public static void startTrans(Drive drive)

commit

public static void commit()

提交事务

commit

public static void commit(Drive drive)

rollback

public static void rollback()

事务回滚

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(Drive drive,
                               QuerySet.TransactionCallback callback)