我试图获取查询列作为别名:
var mssql = require("mssql");
sql = 'SELECT id, name, substring(json_metadata,5,15) as location_string, created FROM [dbo].[accounts] WHERE json_metadata like '%melbourne%' order by created desc';
getConnection.request().query(sql, function(err, result)
{
callback(result);
});
此SQL在SQL Server中运行良好,但是,对于nodejs,location_string
始终为空。