Get columns from layer query a set them into layer opptions

lib/cartodb/models/aggregation/aggregation-mapconfig.js

@@ -38,7 +38,7 @@ module.exports = class AggregationMapConfig extends MapConfig {
         return AggregationMapConfig.SUPPORTED_GEOMETRY_TYPES.includes(geometryType);
     }
 
-    constructor (config, connection, datasource) {
+    constructor (user, config, connection, datasource) {
         super(config, datasource);
 
         const validate = aggregationValidator(this);
@@ -51,7 +51,8 @@ module.exports = class AggregationMapConfig extends MapConfig {
         validate('threshold', positiveNumberValidator);
         validate('columns', aggregationColumnsValidator);
 
-        this.connection = connection;
+        this.user = user;
+        this.pgConnection = connection;
     }
 
     getAggregatedQuery (index) {
@@ -128,20 +129,41 @@ module.exports = class AggregationMapConfig extends MapConfig {
         const limitedQuery = ctx => `SELECT * FROM (${ctx.query}) __cdb_schema LIMIT 0`;
         const layer = this.getLayer(index);
 
-        this.connection.query(limitedQuery({ query: layer.options.sql }), (err, result) => {
+        this.pgConnection.getConnection(this.user, (err, connection) => {
             if (err) {
                 return callback(err);
             }
 
-            let columns = result.fields || [];
+            const sql = limitedQuery({ query: layer.options.sql });
 
-            columns = columns.map(({ name, type }) => ({ name, type }));
+            connection.query(sql, (err, result) => {
+                if (err) {
+                    return callback(err);
+                }
 
-            if (skipGeoms) {
-                columns = columns.filter((column) => !geomColumns.includes(column));
-            }
+                let columns = result.fields || [];
+
+                columns = columns.map(({ name, type }) => ({ name, type }));
 
-            return callback(err, columns);
+                if (skipGeoms) {
+                    columns = columns.filter((column) => !geomColumns.includes(column));
+                }
+
+                return callback(err, columns);
+            });
         });
     }
+
+    isDefaultAggregation (index) {
+        const aggregation = this.getAggregation(index);
+        return !aggregation || (
+            !aggregation.placement &&
+            this._isEmptyParameter(aggregation.columns) &&
+            this._isEmptyParameter(aggregation.dimensions)
+        );
+    }
+
+    _isEmptyParameter (parameter) {
+        return !parameter || Object.keys(parameter).length === 0;
+    }
 };

lib/cartodb/models/mapconfig/adapter/aggregation-mapconfig-adapter.js

@@ -20,7 +20,7 @@ module.exports = class AggregationMapConfigAdapter {
 
         let mapConfig;
         try {
-            mapConfig = new AggregationMapConfig(requestMapConfig);
+            mapConfig = new AggregationMapConfig(user, requestMapConfig, this.pgConnection);
         } catch (err) {
             return callback(err);
         }
@@ -100,9 +100,18 @@ module.exports = class AggregationMapConfigAdapter {
 
                     layer.options.sql = aggregationSql;
 
-                    const aggregatedColumns = mapConfig.getAggregatedColumns(index);
+                    if (mapConfig.isDefaultAggregation(index)) {
+                        const skipGeoms = true;
+                        mapConfig.getLayerColumns(index, skipGeoms, (err, columns) => {
+                            if (err) {
+                                return reject(err);
+                            }
 
-                    layer.options.columns = aggregatedColumns;
+                            layer.options.columns = columns;
+
+                            return resolve({ layer, index, adapted: shouldAdapt });
+                        });
+                    }
                 }
 
                 return resolve({ layer, index, adapted: shouldAdapt });

package.json

@@ -46,7 +46,7 @@
     "step-profiler": "~0.3.0",
     "turbo-carto": "0.20.2",
     "underscore": "~1.6.0",
-    "windshaft": "4.1.0",
+    "windshaft": "cartodb/windshaft#pg-mvt-do-not-filter-columns",
     "yargs": "~5.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -244,14 +244,6 @@ carto@0.16.3:
     semver "^5.1.0"
     yargs "^4.2.0"
 
-carto@CartoDB/carto#0.15.1-cdb1:
-  version "0.15.1-cdb1"
-  resolved "https://codeload.github.com/CartoDB/carto/tar.gz/8050ec843f1f32a6469e5d1cf49602773015d398"
-  dependencies:
-    mapnik-reference "~6.0.2"
-    optimist "~0.6.0"
-    underscore "~1.6.0"
-
 carto@cartodb/carto#0.15.1-cdb3:
   version "0.15.1-cdb3"
   resolved "https://codeload.github.com/cartodb/carto/tar.gz/945f5efb74fd1af1f5e1f69f409f9567f94fb5a7"
@@ -260,6 +252,14 @@ carto@cartodb/carto#0.15.1-cdb3:
     optimist "~0.6.0"
     underscore "1.8.3"
 
+"carto@github:cartodb/carto#0.15.1-cdb1":
+  version "0.15.1-cdb1"
+  resolved "https://codeload.github.com/cartodb/carto/tar.gz/8050ec843f1f32a6469e5d1cf49602773015d398"
+  dependencies:
+    mapnik-reference "~6.0.2"
+    optimist "~0.6.0"
+    underscore "~1.6.0"
+
 cartocolor@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/cartocolor/-/cartocolor-4.0.0.tgz#841a3222d8b5b22718d9d545b1e5b972cb26eb36"
@@ -2392,9 +2392,9 @@ window-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
 
-windshaft@4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-4.1.0.tgz#dc17c8369570c305171d1ab5ca130369bba04d58"
+windshaft@cartodb/windshaft#pg-mvt-do-not-filter-columns:
+  version "4.1.1"
+  resolved "https://codeload.github.com/cartodb/windshaft/tar.gz/2de4e21b41787acd1630193fdd42c308815bfee5"
   dependencies:
     abaculus cartodb/abaculus#2.0.3-cdb1
     canvas cartodb/node-canvas#1.6.2-cdb2