add group by to population query

src/libs/routes/population.js

@@ -89,16 +89,21 @@ rqf.addField({
 
 populationApp.get('/', rqf.parse(), rqf.build(), (req, res, next) => {
   log.debug(req.sql.toParam());
-   req.sql.field('(ibge_populacao.populacao)', 'populacao')
+   req.sql.field('ibge_populacao.populacao', 'population')
    .field('ibge_populacao.municipio_id', 'municipio_id')
    .field('ibge_populacao.ano_censo', 'year')
    .from('ibge_populacao')
+   .group('ibge_populacao.populacao')
+   .group('ibge_populacao.municipio_id')
+   .group('ibge_populacao.ano_censo')
    next();
 }, query, (req, res, next) => {
-    let somapib = 0;
-    for (var i = 0; i < req.result.length; i++) {
-        req.result[i];
-    }
+    // let somapop = 0;
+    // for (var i = 0; i < req.result.length; i++) {
+    //     somapop += req.result[i].population;
+    // }
+    //
+    // req.result = [somapop];
     next()
 }, id2str.transform(true), response('population'));