org.quickjava.orm.query

类 QuerySet

java.lang.Object

org.quickjava.orm.query.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)
Integer	count(TableColumn column)
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) 1.返回sql类，可以获取sql 2.改成传入方法进行数据回填，java限制不能直接返回
QuerySet	field(List<String> columns) 限定查询返回的数据字段
QuerySet	field(String... columns) 限定查询返回的数据字段
QuerySet	field(String table, String column)
QuerySet	field(TableColumn column)
Map<String,Object>	find()
List<TableColumnMeta>	getColumns() 获取表全部字段
List<TableColumnMeta>	getColumns(String table)
QuerySet	group(String... columns)
QuerySet	group(String table, String column)
QuerySet	group(TableColumn... columns)
QuerySet	having(String... columns)
QuerySet	having(String columns)
QuerySet	having(String table, String column)
QuerySet	having(TableColumn... columns)
Long	insert(Map<String,Object> data)
Integer	insertAll(List<DataMap> dataList)
QuerySet	join(String table, JoinCondition condition, JoinType type)
QuerySet	join(String table, List<JoinCondition> conditions, JoinType type)
QuerySet	join(String table, String condition)
QuerySet	join(String table, String condition, JoinType type)
QuerySet	leftJoin(String table, String condition)
QuerySet	limit(Long index, Long count)
QuerySet	lock(boolean lock)
QuerySet	order(List<String> columns)
QuerySet	order(String columns)
QuerySet	order(String[] columns)
QuerySet	order(String field, boolean desc)
QuerySet	order(String field, OrderByType type)
QuerySet	order(String table, String field, OrderByType type)
QuerySet	page(Long page)
QuerySet	page(Long page, Long size)
IPagination<Map<String,Object>>	pagination()
IPagination<Map<String,Object>>	pagination(Long page)
IPagination<Map<String,Object>>	pagination(Long page, Long pageSize)
String	pk()
<T> T	query(String sql)
QuerySet	rightJoin(String table, String condition)
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(String table, String field, Operator operator, Object value)
QuerySet	where(Where where)
QuerySet	where(WhereClosure 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(String table, String field, Operator operator, Object value)
QuerySet	whereOr(WhereClosure 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)

leftJoin

public QuerySet leftJoin(String table,
                         String condition)

rightJoin

public QuerySet rightJoin(String table,
                          String condition)

join

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

join

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

join

public QuerySet join(String table,
                     List<JoinCondition> conditions,
                     JoinType type)

field

public QuerySet field(String... columns)

限定查询返回的数据字段

参数:

columns - 字段

返回:

查询器

field

public QuerySet field(String table,
                      String column)

field

public QuerySet field(List<String> columns)

限定查询返回的数据字段

参数:

columns - 字段

返回:

查询器

field

public QuerySet field(TableColumn column)

where

public QuerySet where(String field,
                      Object value)

where

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

where

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

whereOr

public QuerySet whereOr(String table,
                        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(WhereClosure 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(WhereClosure callback)

between

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

group

public QuerySet group(String... columns)

group

public QuerySet group(String table,
                      String column)

group

public QuerySet group(TableColumn... columns)

having

public QuerySet having(String columns)

having

public QuerySet having(String... columns)

having

public QuerySet having(String table,
                       String column)

having

public QuerySet having(TableColumn... columns)

union

public QuerySet union(String sql)

union

public QuerySet union(String[] sqlArr)

distinct

public QuerySet distinct(boolean distinct)

lock

public QuerySet lock(boolean lock)

order

public QuerySet order(String table,
                      String field,
                      OrderByType type)

order

public QuerySet order(String field,
                      OrderByType type)

order

public QuerySet order(String field,
                      boolean desc)

order

public QuerySet order(String columns)

order

public QuerySet order(List<String> columns)

order

public QuerySet order(String[] columns)

limit

public QuerySet limit(Long index,
                      Long count)

page

public QuerySet page(Long page)

page

public QuerySet page(Long page,
                     Long size)

data

public QuerySet data(String field,
                     Object value)

data

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

data

public Map<String,Object> data()

select

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

find

public Map<String,Object> find()

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<TableColumnMeta> getColumns()

获取表全部字段

返回:

字段列表

getColumns

public List<TableColumnMeta> getColumns(String table)

pk

public String pk()

buildSql

public String buildSql()

fetchSql

public QuerySet fetchSql(boolean fetch)

1.返回sql类，可以获取sql 2.改成传入方法进行数据回填，java限制不能直接返回

execute

public <T> T execute(String sql)

query

public <T> T query(String sql)

pagination

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

pagination

public IPagination<Map<String,Object>> pagination(Long page,
                                                  Long pageSize)

pagination

public IPagination<Map<String,Object>> pagination(Long page)

count

public Integer count()

count

public Integer count(String field)

count

public Integer count(TableColumn column)

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)