angularjs - How to insert data from client to backend using express and mysql? -


i have issue posting data backend, using angularjs on client side problem getting data client can see console.log(post) printing values angular factory, getting below error. new express , mysql dotn know how fix issue appreciated.

app.js

app.post("/test/create", function(req,res) {     var post = {         firstname: req.body.firstname,         lastname: req.body.lastname,         address: req.body.address     };     console.log("got data client",post);     connection.query('insert worker_table set ?', post, function(error) {          if (error) {             console.log(error.message);         } else {             console.log('success');             }         connection.end();     }); });

error

got data client { firstname: 'dasd', lastname: 'dad', address: 'dad' } cannot enqueue query after invoking quit. events.js:141       throw er; // unhandled 'error' event       ^  error: cannot enqueue quit after invoking quit.     @ protocol._validateenqueue (/users/syedhussain/project/node_modules/mysql/lib/protocol/protocol.js:202:16)     @ protocol._enqueue (/users/syedhussain/project/node_modules/mysql/lib/protocol/protocol.js:135:13)     @ protocol.quit (/users/syedhussain/project/node_modules/mysql/lib/protocol/protocol.js:88:23)     @ connection.end (/users/syedhussain/project/node_modules/mysql/lib/connection.js:242:18)     @ query._callback (/users/syedhussain/project/app.js:55:20)     @ query.sequence.end (/users/syedhussain/project/node_modules/mysql/lib/protocol/sequences/sequence.js:96:24)     @ /users/syedhussain/project/node_modules/mysql/lib/protocol/protocol.js:226:14     @ dontcallback0 (node.js:417:9)     @ process._tickcallback (node.js:346:13)


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