filter, sum and div in rethinkdb query -


how can join these 2 query ... mean ctr amount of time...i have tried different way solve couldn't find way write query in rethinkndb...

**r.expr({total_page_position:r.table('test_pagol')('position').sum(), total_page_load: r.table('test_pagol')('page').sum()}).merge({crt: r.row('total_page_load').div(r.row('total_page_position'))**   **r.table("test_pagol").filter(     (r.row["timestamp"] >= 1429617902988)     & (r.row["timestamp"] >= 1429617922119))**

you can use map , reduce command that:

r.table("test_pagol").filter(     r.row("timestamp").ge(1429617902988)     .and(r.row("timestamp").le(1429617922119)) ).map({     'total_page_position': r.row('position'),     'total_page_load': r.row('page') }).reduce(function(left, right) {     return {         'total_page_position': left('total_page_position').add(right('total_page_position')),         'total_page_load': left('total_page_load').add(right('total_page_load'))     } }).merge({     'crt': r.row('total_page_load').div(r.row('total_page_position')) })

more information on map: http://www.rethinkdb.com/api/javascript/map/ more information on reduce: http://www.rethinkdb.com/api/javascript/reduce/

(an unrelated note: if want make query faster, create index on timestamp field , replace filter between(1429617902988, 1429617922119, {index: "timestamp", rightbound="closed"}), see http://www.rethinkdb.com/api/javascript/between/ )


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