How to pass order info to sequelize.js raw query? - node.js

Question

In sequelize, I can use
my_table.findAll({ order: [['datetime', 'desc']] })
to query data and order by a column. But when I try to use parameterized raw query like:
var input_parameters = {order_column: 'datetime', order: 'desc'};
sequelize.query('select * from my_table order by :order_column :order', { replacements: input_parameters, type: models.sequelize.QueryTypes.SELECT });
It can't return the correct order because
the order info asc/desc is escaped in the query, the final prepared query is like 'select * from my_table order by 'datetime' 'desc''.
Is there a way to pass order info to raw parameterized query?

Answer 1

This might not be the sequelize way, but...what if:
let order_column = 'something';
let order = 'DESC';
sequelize.query(`select * from my_table order by ${order_column} ${order}`, { type: models.sequelize.QueryTypes.SELECT });
UPDATE:
This is the right answer
await sequelize.query(
'SELECT * FROM projects ORDER BY ? ?',
{
replacements: ['something', 'desc'],
type: QueryTypes.SELECT,
}
);
This way sequelize still protects you from sql injection.

Answer 2

I wondered samething. But I think there's no options in raw query.
So I usually define class methods in model to use method much sequelize-like follows.
/**
* usage :
*
* model.findSomething({
* where: whereCondition,
* limit: limit,
* offset: offset,
* order: [
* ['col1', 'asc'],
* ['col2', 'desc']
* ]})
*/
model.findSomething = function ({where, limit, offset, order}) {
let sql = 'SELECT col1, col2 FROM some_table '
... (build where conditions)
// build order conditions
if (order && order.length > 0) {
let orderBy = ' ORDER BY '
for (let i = 0; i < order.length; i++) {
if (order[i].length > 0) { // [column] or [column, asc/desc]
orderBy += (i > 0 ? ', ' : ' ') + order[i].join(' ')
}
}
sql += orderBy
} else {
sql += ` ORDER BY comment_group, comment_depth, comments.comment_id`
}
... (build limit and offset)
}
Before you call sequelize.query, just build the sql statement first.
Too late answer, but I hope this let help you.

Answer 3

let order_column = 'something';
let order = 'DESC';
sequelize.query('select * from my_table order by " + order_column +' ' order, { replacements: input_parameters, type: models.sequelize.QueryTypes.SELECT })