[英]Obtain the result of stored procedure in node.js
我可以在 mysql 的一个存储过程中从不同的表(多行)中获得多个选择并在 nodejs 中检索这些结果吗?
就像在 .NET 和 SQL Server 中一样,我们可以使用“sqlnextresult”
这里有一个使用mssql
节点包的示例,您可以在此处找到有关此包的文档。
var sql = require('mssql'),
connectionObj = {
user: 'myUser',
password: 'myPassword',
server: 'http://mysqlserver.whatever'
options: {
database: 'myDB'
}
};
/**
* Opens connection to sql server.
*
* @return {Object} Connection object.
*/
function openConnection() {
var connection = new sql.Connection(connectionObj);
return connection;
};
/**
* Closes connection.
*
* @param {Object} connection - Connection Object.
* @return {Promise} Promise.
*/
function closeConnection(connection) {
return connection.close();
};
/**
* Does a request to sql server.
*
* @param {Object} connection - Connection object.
* @param {string} query - Query string to compute.
* @return {Promise} Promise.
*/
function doRequest(connection, query) {
return connection.request().query(query);
};
/**
* Gets Request.
*
* @param {Object} connection - Connection object.
*/
function getRequest(connection) {
return new sql.Request(connection);
};
var request, conn = openConnection();
// First open the connection with DB (method uses the object created at the begining.
conn.connect()
.then(function() {
// Now creates a Request.
request = getRequest(conn);
// Executes your stored procedure.
return request.execute('usp_get_Masters');
})
.then(function(result) {
console.log(result); // Here in result you have the result of the stored procedure execution.
})
.catch(function(error) {
console.log(error);
});
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