Do not aggregate if rows cout is lower than threshold or the layer's sql has geometries distinct of points

This commit is contained in:
Daniel García Aubert
2017-12-11 17:32:06 +01:00
parent 214d684fcc
commit dab204ea71
4 changed files with 182 additions and 62 deletions
+74 -29
View File
@@ -38,14 +38,18 @@ describe('aggregation', function () {
`;
const POINTS_SQL_NO_THE_GEOM = `
const POLYGONS_SQL_1 = `
select
st_transform(st_setsrid(st_makepoint(x*10, x*10*(-1)), 4326), 3857) as the_geom_webmercator,
x as value,
x*x as sqrt_value
st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326)::geography, 100000)::geometry as the_geom,
st_transform(
st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326)::geography, 100000)::geometry,
3857
) as the_geom_webmercator,
x as value
from generate_series(-3, 3) x
`;
function createVectorMapConfig (layers = [
{
type: 'cartodb',
@@ -87,7 +91,26 @@ describe('aggregation', function () {
});
it('should return a layergroup indicating the mapconfig was aggregated', function (done) {
this.mapConfig = createVectorMapConfig();
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
},
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
@@ -117,7 +140,8 @@ describe('aggregation', function () {
aggregate_function: 'sum',
aggregated_column: 'value'
}
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0'
@@ -250,18 +274,29 @@ describe('aggregation', function () {
});
});
it('without the_geom defined in the sql should return a layergroup ', function (done) {
this.mapConfig = createVectorMapConfig([
it('when the layer\'s row count is lower than threshold should skip aggregation', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_NO_THE_GEOM,
sql: POINTS_SQL_1,
aggregation: {
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
threshold: 1001
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
this.testClient = new TestClient(mapConfig);
const options = {};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
@@ -269,44 +304,54 @@ describe('aggregation', function () {
assert.equal(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
body.metadata.layers.forEach(layer =>{
assert.deepEqual(layer.meta.aggregation, { png: false, mvt: false });
});
done();
});
});
it('without the_geom defined in the sql should get a vector tile', function (done) {
this.mapConfig = createVectorMapConfig([
it('when the layer\'s geometry type is not point should responds with error', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_NO_THE_GEOM,
sql: POLYGONS_SQL_1,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(0, 0, 0, { format: 'mvt' }, (err, res, tile) => {
this.testClient = new TestClient(mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.equal(tile.tileSize, 4096);
assert.equal(tile.z, 0);
assert.equal(tile.x, 0);
assert.equal(tile.y, 0);
const layer0 = JSON.parse(tile.toGeoJSONSync(0));
assert.equal(layer0.name, 'layer0');
assert.equal(layer0.features[0].type, 'Feature');
assert.equal(layer0.features[0].geometry.type, 'Point');
assert.deepEqual(body, {
errors: [
'Unsupported geometry type (ST_Polygon) for aggregation.' +
' Aggregation is available only for points.'
],
errors_with_context:[{
type: 'unknown',
message: 'Unsupported geometry type (ST_Polygon) for aggregation.' +
' Aggregation is available only for points.'
}]
});
done();
});
});
});
});
});