javascript - Sails.jswaterline: groupBy + count - Stack Overflow

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Using sails.js (0.10.5):

I can't figure out how to achieve a groupBy/count using waterline/sails. What I would like to have is something like:

SELECT customer_id, COUNT('') FROM customer_data GROUP BY customer_id;
or
SELECT customer_id, SUM(1) FROM customer_data GROUP BY customer_id;

I wasn't able to achieve this using count nor sum (using a constant):

Customer.find({ groupBy:['customer_id'], count: true })
or
Customer.find({ groupBy:['customer_id'], sum: [1] })

Both will end in an error, the first "missing calculation" and the second "SQL syntax error". I can make a grouping using sum with an existing column (sum: ['id']) but that does not get me the count.

Am I using the API wrong?

Using sails.js (0.10.5):

I can't figure out how to achieve a groupBy/count using waterline/sails. What I would like to have is something like:

SELECT customer_id, COUNT('') FROM customer_data GROUP BY customer_id;
or
SELECT customer_id, SUM(1) FROM customer_data GROUP BY customer_id;

I wasn't able to achieve this using count nor sum (using a constant):

Customer.find({ groupBy:['customer_id'], count: true })
or
Customer.find({ groupBy:['customer_id'], sum: [1] })

Both will end in an error, the first "missing calculation" and the second "SQL syntax error". I can make a grouping using sum with an existing column (sum: ['id']) but that does not get me the count.

Am I using the API wrong?

• javascript
• node.js
• sails.js
• waterline

Share Improve this question Follow edited Nov 2, 2015 at 18:38 Joe Hill 33333 silver badges1212 bronze badges asked Jan 9, 2015 at 5:27 tokoshtokosh 1,83655 gold badges2121 silver badges4040 bronze badges

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2 Answers 2

Sorted by: Reset to default 5

please use Customer.query('SELECT customer_id, SUM(1) FROM customer_data GROUP BY customer_id', function(err,results){})

if you don't want use sql, you can like this to use Customer.find({groupBy:'customer_id'}).exec

ref: waterline-sequel select builder function

.query() is deprecated as of Sails v1.0, instead use .getDatastore().sendNativeQuery() (ref: https://sailsjs./documentation/reference/waterline-orm/models/query). There's still no way to do this with Waterline.

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