Re: [GENERAL] row_to_json on a subset of columns.

2014-05-30 Thread Chris Hanks
That works! Thanks! On Fri, May 30, 2014 at 11:59 AM, Merlin Moncure wrote: > On Fri, May 30, 2014 at 11:16 AM, Chris Hanks > wrote: >> I'm using a JSON column to store some aggregate data, like so: >> >> UPDATE courses_table >> SET aggregates = agg.aggregates >> FROM ( >> SELE

Re: [GENERAL] row_to_json on a subset of columns.

2014-05-30 Thread Merlin Moncure
On Fri, May 30, 2014 at 11:16 AM, Chris Hanks wrote: > I'm using a JSON column to store some aggregate data, like so: > > UPDATE courses_table > SET aggregates = agg.aggregates > FROM ( > SELECT course_id, row_to_json(sub) AS aggregates > FROM ( > SELECT course_id,

[GENERAL] row_to_json on a subset of columns.

2014-05-30 Thread Chris Hanks
I'm using a JSON column to store some aggregate data, like so: UPDATE courses_table SET aggregates = agg.aggregates FROM ( SELECT course_id, row_to_json(sub) AS aggregates FROM ( SELECT course_id, avg(rating) AS rating, sum(reviews_count) AS reviews_count,