select query builder

I’m thinking about writing a select-query-builder. The function would receive an object defining which fields to select from the series and how to aggregate them.

Although the influx SQL syntax is pretty straight forward, I would find it more useful to define my dynamically built queries in json notation. I imagine it to be similar to the mongo query syntax.

e.g.

SELECT MEDIAN(my_col), PERCENTILE(my_col,95) FROM my_series WHERE time > NOW()-2h GROUP BY time(1m);

could be become something like this:

var query = {
  select : [ {'median' : 'my_col'}, {'percentile' : ['my_col',95]}],
  where : [{ time : { 'gt' : 'now()-2h'}]
  group : [{time: '1m'}}
};
dbInflux.query('my_series',query,callback()}

This syntax is still far from perfect, but I hope you get the idea.

dbinflux.query() could be tweaked to accept either a raw SQL string or an object.

If it’s not suitable for this module, it could also become a separate module which sits ontop of node-influx.

What do you think?

[connor4312]

We do have an escaper that allows for safe insertion of external content, check out the escape object.

However, InfluxDB has added support for bound parameters for safer usage. We should definitely support that in this client.

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