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yf-fast-dbm

v2.0.0

Published

fast sql generateor

Downloads

22

Readme

yf-fast-dbm

快速极简的orm框架

  • 源码地址: https://github.com/yfsoftcom/yf-fast-dbm
  • 目前支持mysql,使用 jugglingdb
  • 通过delflag实现逻辑删除
  • 默认带有四个字段:id,createAt,updateAt,delflag
  • 支持批量插入
  • TODO:事务,存储过程,mongodb语法

1.Installation

$ npm install yf-fast-dbm

2.API List

  • adapter

获取原生的数据库适配器,可执行自定义的sql来满足一些复杂的业务操作

  • find

通过一组查询、排序、分页的条件筛选一组数据结果。

  • first

通过一组查询、排序、分页的条件筛选一行数据结果。

  • count

通过筛选条件进行统计计数

  • findAndCount

通过一组查询、排序、分页的条件筛选一组数据结果,并返回符合条件的所有数据行数

  • get

通过数据的ID获取到唯一的数据

  • update

修改一些数据

  • remove

删除一条已知的数据

  • clear

通过筛选条件删除一组数据

  • create

添加一条或者多条数据

3.Configuration

模块自带的一些配置信息:

  • Code List 1:
{
    host:'localhost',           //mysql host
    port:3306,                  //mysql port
    database:'test',            //mysql dbname
    user:'root',            //mysql username
    password:'',                //mysql password
    debug:false,                //true:输出jugglingdb生成的sql语句
    showSql:false,              //true:输出本模块生成的sql语句
    pool:{
        connectionLimit:10,     //链接池的配置
        queueLimit:0,
        waitForConnections:true
    }
}

在初始化的时候,可以通过传入的参数覆盖这些默认值

  • Code List 2:
var C = {
    host:'192.168.1.1',
    database:'test',
    username:'root',
    password:'root',
};
var M = require('yf-fast-dbm')(C);

4.Useage

find
  • Code List 3:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "delflag=0",
 fields: "id,article,ptags,product"
};
M.find(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
first
  • Code List 4:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "delflag=0",
 fields: "id,article,ptags,product"
};
M.first(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
//condition 字段接受各种格式
//比如下面的格式同样支持
var arg = {
    table: "api_app",
    condition: [
      ['appid' , '=' , '10001'],
      "appkey = '45883198abcdc109'",
      ['or',['appname' ,'=','DEV_Activity']]
    ],
    fields: "id,appid,appname,apptype"
};
//最终解析出来的语句是这样的:
// where ( 1 = 1  and appid='10001' and appkey = '45883198abcdc109' or appname='DEV_Activity') and delflag = 0
count
  • Code List 5:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "delflag=0"
};
M.count(arg).then(function (c) {
 // do success here
}).catch(function (err) {
 // do error here
});
findAndCount
  • Code List 6:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "delflag=0",
 fields: "id,article,ptags,product"
};
M.first(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
get
  • Code List 7:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 id: 1
};
M.get(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
update
  • Code List 8: 修改所有key为test的val为123
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "key = 'test'",
    row:{val:"123"}
};
M.update(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
remove
  • Code List 9:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 id: 1
};
M.remove(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
clear
  • Code List 10:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 condition: "delflag=0"
};
M.clear(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});
create
  • Code List 11:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 row: {key:"test",val:"mmm"}
};
M.create(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});

or batch insert

  • Code List 12:
// M 的初始化代码请参看 Code List:2
var arg = {
 table: "test",
 row:[{key:"test",val:"mmm"},{key:"test2",val:"mmm2"}]
};
M.create(arg).then(function (data) {
 // do success here
}).catch(function (err) {
 // do error here
});