Remove tile_area attribute from tiles

layers/water_name/water_name.sql

@@ -6,7 +6,6 @@ CREATE OR REPLACE FUNCTION layer_water_name(bbox geometry, zoom_level integer)
             (
                 osm_id       bigint,
                 geometry     geometry,
-                tile_area    float,
                 name         text,
                 name_en      text,
                 name_de      text,
@@ -24,7 +23,6 @@ SELECT
         ELSE osm_id * 10 + 1
         END AS osm_id_hash,
     geometry,
-    NULL::float,
     name,
     COALESCE(NULLIF(name_en, ''), name) AS name_en,
     COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
@@ -44,8 +42,6 @@ SELECT
         ELSE osm_id * 10 + 1
         END AS osm_id_hash,
     geometry,
-    -- Percentage of a single tile covered by this feature
-    POWER(4,zoom_level) * earth_area as tile_area,
     name,
     COALESCE(NULLIF(name_en, ''), name) AS name_en,
     COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
@@ -67,7 +63,6 @@ SELECT
     -- etldoc: osm_marine_point ->  layer_water_name:z14_
     osm_id * 10 AS osm_id_hash,
     geometry,
-    NULL::float,
     name,
     COALESCE(NULLIF(name_en, ''), name) AS name_en,
     COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,

layers/water_name/water_name.yaml

@@ -21,7 +21,6 @@ layer:
       - strait
       - sea
       - ocean
-    tile_area: Surface area of the feature, in tiles (1.0 = feature is the size of 1 tile)
     intermittent:
       description: |
         Mark with `1` if it is an [intermittent](http://wiki.openstreetmap.org/wiki/Key:intermittent) lake.
@@ -33,7 +32,7 @@ layer:
     key_field: osm_id
     key_field_as_attribute: no
     srid: 900913
-    query: (SELECT osm_id, geometry, tile_area, name, name_en, name_de, {name_languages}, class, intermittent FROM layer_water_name(!bbox!, z(!scale_denominator!))) AS t
+    query: (SELECT osm_id, geometry, name, name_en, name_de, {name_languages}, class, intermittent FROM layer_water_name(!bbox!, z(!scale_denominator!))) AS t
 schema:
   - ./update_marine_point.sql
   - ./update_water_lakeline.sql