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mssqlhelper
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$ git clone git@github.com:play175/mssqlhelper.git
$ cd mssqlhelper
$ node test.js
var db = require('./index');
db.config({ host: '192.168.1.100' ,port: 1433 ,userName: 'sa' ,password: '123' ,database:'testdb' });
//test query sql 执行sql
db.query( 'select @Param1 Param1,@Param2 Param2' ,{ Param1: { type : 'NVarChar', size: 7,value : 'myvalue' } ,Param2: { type : 'Int',value : 321 } } ,function(res){ if(res.err)throw new Error('database error:'+res.err.msg); var rows = res.tables[0].rows; for (var i = 0; i < rows.length; i++) { console.log(rows[i].getValue(0),rows[i].getValue('Param2')); } } );
//test excute sp 执行存储过程
db.exec( 'test_sp' ,{ Param1: {direction:'out', type : 'NVarChar', size: 50,value : 'my Param1 value' } ,Param2: { type : 'Int',value : 123 } ,Param3: {direction:'out', type : 'VarChar', size: 50,value : '789' } } ,function(res){ if(res.err)throw new Error('database error:'+res.err.msg);
//get output paramater value
console.log('output @Param1='+res.params.Param1.value);
//get rows
var rows = res.tables[0].rows;
for (var i = 0; i < rows.length; i++) {
var rp = '';
for(var j=0,len = rows[i].metadata.columns.length;j<len;j++){
var col = rows[i].metadata.columns[j];
rp += ' ' +(rows[i].getValue(j));
}
console.log(rp);
}
}
);
///////////////////////////////问题和解决方案////////////////////////////////////// 问题/Issues: 1:不能输出匿名列,比如select * 2:如果不能排序,比如 select a from table oerder by b desc,目前的解决方法: ;with result as( SELECT Actor,ActorName FROM [GameActor] order by time desc ) select * from result 3:输出中文乱码,引发这个问题有几个方面,解决方法: (1)把所有js文件用utf-8编码保存 (2)数据库中含有中文的字段,必须是unicode类型,比如varchar应该改为nvarchar
4:在多进程cluster的的使用: var db = require('./index'); var cluster = require('cluster'); if (cluster.isMaster) { var numCPUs = require('os').cpus().length; for (var i = 0; i < numCPUs; i++) { var worker = cluster.fork(); } } else { db.config(..); db.query(..); }
FAQs
Microsoft SQL Server database helper.
We found that mssqlhelper demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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