postgresql nodejs

//connect to postgres database in node

const Pool = require('pg').Pool;

const pool = new Pool({
    user: '',
    host: 'localhost',
    database:  '',
    password: '',
    port:5432,
  })

//query example

app.get('/users',async(req,res)=>{
  
  try{
     let resp=await pool.query('SELECT * FROM users');
  }catch(err){
     res.status(200).send(resp.rows);
  }
})

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3.67

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Awgiedawgie 440220 points

                                    const { Client } = require('pg')const client = new Client();(async () =&gt; {  await client.connect()  const res = await client.query('SELECT $1::text as message', ['Hello world!'])  console.log(res.rows[0].message) // Hello world!  await client.end()})()

Thank you! 3

3.67 (3 Votes)

0

4

7

Krish 100200 points

                                    // callback
client.query('SELECT NOW() as now', (err, res) =&gt; {
  if (err) {
    console.log(err.stack)
  } else {
    console.log(res.rows[0])
  }
})
// promise
client
  .query('SELECT NOW() as now')
  .then(res =&gt; console.log(res.rows[0]))
  .catch(e =&gt; console.error(e.stack))

Thank you! 7

4 (7 Votes)

0

0

4

Awgiedawgie 440220 points

                                    //connect to postgres database in node

const Pool = require('pg').Pool;

const pool = new Pool({
    user: '',
    host: 'localhost',
    database:  '',
    password: '',
    port:5432,
  })

//query example

app.get('/users',async(req,res)=&gt;{
  
  try{
     let resp=await pool.query('SELECT * FROM users');
  }catch(err){
     res.status(200).send(resp.rows);
  }
})

Thank you! 4

0

0

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