cartodb/Windshaft-cartodb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #511 from CartoDB/dataview-the_geom-query

Browse Source 
Dataview the geom query
This commit is contained in:
Raul Ochoa 2016-06-17 17:08:48 +02:00 committed by GitHub
commit 1544a5622d
1 changed files with 33 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
lib/cartodb/backends/dataview.js
View File

@ -16,6 +16,9 @@ var overviewsQueryRewriter = new OverviewsQueryRewriter({
zoom_level: 'CDB_ZoomFromScale(!scale_denominator!)'
});
var dot = require('dot');
dot.templateSettings.strip = false;
function DataviewBackend(analysisBackend) {
this.analysisBackend = analysisBackend;
}
@ -105,15 +108,7 @@ DataviewBackend.prototype.getDataview = function (mapConfigProvider, user, param
var ownFilter = +params.own_filter;
ownFilter = !!ownFilter;
var query;
if (ownFilter) {
query = node.getQuery();
} else {
var applyFilters = {};
applyFilters[dataviewName] = false;
query = node.getQuery(applyFilters);
}
var query = layerQuery(node, dataviewName, ownFilter);
var sourceId = dataviewDefinition.source.id; // node.id
var layer = _.find(
@ -260,14 +255,7 @@ DataviewBackend.prototype.search = function (mapConfigProvider, user, params, ca
var ownFilter = +params.own_filter;
ownFilter = !!ownFilter;
var query;
if (ownFilter) {
query = node.getQuery();
} else {
var applyFilters = {};
applyFilters[dataviewName] = false;
query = node.getQuery(applyFilters);
}
var query = layerQuery(node, dataviewName, ownFilter);
if (params.bbox) {
var bboxFilter = new BBoxFilter({column: 'the_geom', srid: 4326}, {bbox: params.bbox});
@ -321,3 +309,31 @@ function dbParamsFromReqParams(params) {
}
return dbParams;
}
var SKIP_COLUMNS = {
'the_geom': true,
'the_geom_webmercator': true
};
function skipColumns(columnNames) {
return columnNames
.filter(function(columnName) { return !SKIP_COLUMNS[columnName]; });
}
var layerQueryTemplate = dot.template([
'SELECT {{=it._columns}}',
'FROM ({{=it._query}}) _cdb_analysis_query'
].join('\n'));
function layerQuery(node, dataviewName, ownFilter) {
var applyFilters = {};
if (!ownFilter) {
applyFilters[dataviewName] = false;
}
if (node.type === 'source') {
return node.getQuery(applyFilters);
}
var _columns = ['ST_Transform(the_geom, 3857) the_geom_webmercator'].concat(skipColumns(node.getColumns()));
return layerQueryTemplate({ _query: node.getQuery(applyFilters), _columns: _columns.join(', ') });
}