Node.js npm mssql function returning undefined
javascript,node.js,callback,node-mssql
You are trying to treat the sqlCall as a synchronous function with a return value, while the request.query function on the opposite is an asynchronous function, expecting a callback. Since Node.js uses non blocking IO and callback structures for flow control, using an asynchronous structure based around callbacks is the...
encoding and save images
node.js,image-processing,node-mssql
Use input parameters, it's almost always a bad idea to concatenate values into TSQL. var request = new sql.Request(connection); request.input('id', rows[i].id); request.input('budova', rows[i].budova); request.input('patro', rows[i].patro); request.input('mapa', sql.VarBinary(MAX), images(rows[i].mapa).toBuffer('jpg', {quality: 50})); request.query('INSERT INTO dbo.cis_mapyNewBudov (id, budova, patro, mapa) VALUES (@id, @budova, @patro, @mapa)', function (err) { // ... }); Hint: Always...
How do I render return values of a node-mssql statement with Jade?
javascript,node.js,express,jade,node-mssql
You will have the res.render in the callback from query. function runSQLSelect(callback) { sql.connect(config.db, function(err) { var request = new sql.Request(); request.query("select MyColumn FROM MyTable", function(err, recordset) { console.log(recordset); callback(recordset); }); }); } function home(req, res) { runQSQLSelect( function(result) { res.render("site/index", {recordset: result}); //render the Jade template }); } Note,...
How to access the output parameter in node mssql?
request.parameters.pqr.value and request.parameters.def.value Got the answer , so sharing it :)...
Connect to localdb with sql-cli
sql-server,command-line-interface,node-mssql
its because (localdb)\v11.0 is not an actual instance as it can only be used inside visual studio. "The localdb is at the heart of SSDT; it’s similar to SQL Server Express under the hood and runs a full version of sqlserver.exe. However this is throttled by the numbers of CPUs...
How can I use a single mssql connection pool across several routes in an Express 4 web application?
sql-server,node.js,express,node-mssql
I actually asked the question to answer it myself, because I believe I had an answer that was worth to share and I couldn't find a documented solution elsewhere. Also in a few issues (#118, #164, #165) at node-mssql this topic is discussed. Here's my solution: In server.js var express...