Add cql-json support for ES (#723)

Fix starlette event loop


Fix starlette event loop


Fix starlette event loop


Fix starlette event loop


Fix provider regression


Make method public


Make method public


Move function to the helpers utility


Add the CQL lifecycle for development


Add CQL docs


Fix flake8


Isolate import for starlette codepath

docs/source/data-publishing/ogcapi-features.rst

@@ -15,17 +15,17 @@ pygeoapi core feature providers are listed below, along with a matrix of support
 parameters.
 
 .. csv-table::
-   :header: Provider, properties (filters), resulttype, bbox, datetime, sortby, properties (display)
+   :header: Provider, properties (filters), resulttype, bbox, datetime, sortby, properties (display), CQL
    :align: left
 
-   CSV,❌,results/hits,❌,❌,❌,✅
-   Elasticsearch,✅,results/hits,✅,✅,✅,✅
-   GeoJSON,❌,results/hits,❌,❌,❌,❌
-   MongoDB,✅,results,✅,✅,✅,❌
-   OGR,✅,results/hits,✅,❌,❌,❌
-   PostgreSQL,✅,results/hits,✅,❌,❌,❌
-   SQLiteGPKG,✅,results/hits,✅,❌,❌,❌
-   SensorThingsAPI,✅,results/hits,✅,✅,✅,✅
+   CSV,❌,results/hits,❌,❌,❌,✅,❌
+   Elasticsearch,✅,results/hits,✅,✅,✅,✅,✅
+   GeoJSON,❌,results/hits,❌,❌,❌,❌,❌
+   MongoDB,✅,results,✅,✅,✅,❌,❌
+   OGR,✅,results/hits,✅,❌,❌,❌,❌
+   PostgreSQL,✅,results/hits,✅,❌,❌,❌,❌
+   SQLiteGPKG,✅,results/hits,✅,❌,❌,❌,❌
+   SensorThingsAPI,✅,results/hits,✅,✅,✅,✅,❌
 
 
 Below are specific connection examples based on supported providers.
@@ -65,6 +65,7 @@ To publish a GeoJSON file, the file must be a valid GeoJSON FeatureCollection.
          data: tests/data/file.json
          id_field: id
 
+.. _Elasticsearch:
 
 Elasticsearch
 ^^^^^^^^^^^^^
@@ -87,6 +88,11 @@ To publish an Elasticsearch index, the following are required in your index:
          id_field: geonameid
          time_field: datetimefield
 
+This provider has the support for the CQL queries as indicated in the table above.
+
+.. seealso::
+  :ref:`cql` for more details on how to use the Common Query Language to filter the collection with specific queries.
+
 OGR
 ^^^