generalized_tables:
  # etldoc: imposm3 -> osm_aeroway_linestring_gen3
  aeroway_linestring_gen3:
    source: aeroway_linestring_gen2
    tolerance: ZRES11

  # etldoc: imposm3 -> osm_aeroway_linestring_gen2
  aeroway_linestring_gen2:
    source: aeroway_linestring_gen1
    tolerance: ZRES12

  # etldoc: imposm3 -> osm_aeroway_linestring_gen1
  aeroway_linestring_gen1:
    source: aeroway_linestring
    sql_filter: ST_IsValid(geometry)
    tolerance: ZRES13

  # etldoc: imposm3 -> osm_aeroway_polygon_gen3
  aeroway_polygon_gen3:
    source: aeroway_polygon_gen2
    sql_filter: area>power(ZRES10,2)
    tolerance: ZRES11

  # etldoc: imposm3 -> osm_aeroway_polygon_gen2
  aeroway_polygon_gen2:
    source: aeroway_polygon_gen1
    sql_filter: area>power(ZRES11,2)
    tolerance: ZRES12

  # etldoc: imposm3 -> osm_aeroway_polygon_gen1
  aeroway_polygon_gen1:
    source: aeroway_polygon
    sql_filter: area>power(ZRES12,2) AND ST_IsValid(geometry)
    tolerance: ZRES13

ref_field: &ref
  key: ref
  name: ref
  type: string

def_aeroway_polygon_mapping: &aeroway_polygon_mapping
  - aerodrome
  - heliport
  - runway
  - helipad
  - taxiway
  - apron

tables:
  # etldoc: imposm3 -> osm_aeroway_polygon
  aeroway_polygon:
    type: polygon
    columns:
    - *ref
    - name: osm_id
      type: id
    - name: geometry
      type: geometry
    - name: aeroway
      type: mapping_value
    - name: area
      type: area
    mapping:
      aeroway: *aeroway_polygon_mapping
      "area:aeroway": *aeroway_polygon_mapping

  # etldoc: imposm3 -> osm_aeroway_linestring
  aeroway_linestring:
    type: linestring
    columns:
    - *ref
    - name: osm_id
      type: id
    - name: geometry
      type: geometry
    - name: aeroway
      key: aeroway
      type: string
    mapping:
      aeroway:
      - runway
      - taxiway