How do I check with nodejs if a table is out of records?

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Well, I intend to check a table with nodejs, to see if it is without records.

How can I do this in a way that makes no mistake, with nodejs?

Thank you.

node.js

1 answer

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Checks the .length of the result:

db.query('SELECT * from tabela', (err, res) => {
    console.log(err, res, res.length); // deve dar null, [], 0
    if (res.length == 0){
        console.log('A tabela está vazia!');
    }
});

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