OBS_GetAvailableGeometries now receives number of geometries from input

We need the number of geometries to pass them to the get score function
in order to get an accurate score for the input in order to suggest
what is the geometry that fits better for the input we have

src/pg/sql/42_observatory_exploration.sql

@@ -323,7 +323,8 @@ CREATE OR REPLACE FUNCTION cdb_observatory.OBS_GetAvailableGeometries(
   filter_tags TEXT[] DEFAULT NULL,
   numer_id TEXT DEFAULT NULL,
   denom_id TEXT DEFAULT NULL,
-  timespan TEXT DEFAULT NULL
+  timespan TEXT DEFAULT NULL,
+  number_geoms INTEGER DEFAULT NULL
 ) RETURNS TABLE (
   geom_id TEXT,
   geom_name TEXT,
@@ -390,15 +391,16 @@ BEGIN
       FROM observatory.obs_meta_geom o
       WHERE %s (geom_tags ?& $4 OR CARDINALITY($4) = 0)
     ), scores AS (
-      SELECT * FROM cdb_observatory._OBS_GetGeometryScores($5,
-        (SELECT ARRAY_AGG(geom_id) FROM available_geoms)
+      SELECT * FROM cdb_observatory._OBS_GetGeometryScores(bounds => $5,
+        filter_geom_ids => (SELECT ARRAY_AGG(geom_id) FROM available_geoms),
+        desired_num_geoms => $6::integer
       )
     ) SELECT DISTINCT ON (geom_id) available_geoms.*, score, numtiles, notnull_percent, numgeoms,
              percentfill, estnumgeoms, meanmediansize
       FROM available_geoms, scores
       WHERE available_geoms.geom_id = scores.column_id
   $string$, geom_clause)
-  USING numer_id, denom_id, timespan, filter_tags, bounds;
+  USING numer_id, denom_id, timespan, filter_tags, bounds, number_geoms;
   RETURN;
 END
 $$ LANGUAGE plpgsql;