Nodejs mysql no result

2021年9月15日 — Does anyone know how to check if a NodeJS MySQL result is null/empty? What I'm trying to do is (very succi...

Nodejs mysql no result

2021年9月15日 — Does anyone know how to check if a NodeJS MySQL result is null/empty? What I'm trying to do is (very succinctly explained) to check if result 5 ... ,You're receiving an empty array ( [] ) as result of your query, because as you said, your database does not contain any row with name = 'abcd' .

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Nodejs mysql no result 相關參考資料
Check in database if no result, then add with node.js-mysql

Your .each() is not waiting for the query to finish before moving on to the next element. You could use something like async to help manage ...

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How can I check if a MySQL result is undefinedempty? - Stack ...

2021年9月15日 — Does anyone know how to check if a NodeJS MySQL result is null/empty? What I'm trying to do is (very succinctly explained) to check if result 5 ...

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In node.js mysql query, check if no matching found - Stack ...

You're receiving an empty array ( [] ) as result of your query, because as you said, your database does not contain any row with name = 'abcd' .

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Mysql query returns no results when running from Node ...

2016年2月22日 — The query SELECT * FROM products return results when running from MySQL Workbench, but no results from Nodejs MySQL module:

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Node JS MySQL query function not returning result - Stack ...

Virtually everything in Node.js is asynchronous, and SQL query functions definitely are. You're calling conn.query(query, ...

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NodeJS mysql if null or empty - Stack Overflow

2017年5月22日 — An additional note: you should't use constructs like -'' +info+ '-'' because they might result in potential sql injections or at least not ...

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Nodejs mysql query returning empty result array - Stack ...

2020年12月3日 — But every time I run this query the results array came out to be empty due to which I am unable to login. app.post('/signedin', function(req ...

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NodeJS mysql query returns empty result - Stack Overflow

You are passing the wrong parameters to validateUser : validateUser(REQ_PARAM_USER, REQ_PARAM_PASSWD, // ... What you really want:

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NodeJs Mysql returns empty result - Stack Overflow

use this code app.get('/customers', function(req, res) getCustomersQuery(function(err, result) if (err) console.log(err); } res.json( ...

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results.length is not give the correct output for MySQL query?

2021年1月24日 — The query is just count the number of message column in database and print the length. the code: connection.query(SELECT COUNT(message) as ...

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