Module: ActiveRecord::ConnectionAdapters::PostGIS::ColumnDefinitionUtils

Defined in:
lib/active_record/connection_adapters/postgis/spatial_table_definition.rb

Class Method Summary collapse

Class Method Details

.default_srid(options) ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgis/spatial_table_definition.rb', line 53

def default_srid(options)
  options[:geographic] ? 4326 : PostGISAdapter::DEFAULT_SRID
end

.geo_type(type = "GEOMETRY") ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgis/spatial_table_definition.rb', line 38

def geo_type(type = "GEOMETRY")
  g_type = type.to_s.delete("_").upcase
  return "POINT" if g_type == "STPOINT"
  return "POLYGON" if g_type == "STPOLYGON"
  g_type
end

.limit_from_options(type, options = {}) ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgis/spatial_table_definition.rb', line 45

def limit_from_options(type, options = {})
  has_z = options[:has_z] ? 'Z' : ''
  has_m = options[:has_m] ? 'M' : ''
  srid = options[:srid] || default_srid(options)
  field_type = [geo_type(type), has_z, has_m].compact.join
  "#{field_type},#{srid}"
end