Class: ActiveRecord::ConnectionAdapters::CockroachDB::Column

Inherits:
PostgreSQL::Column
  • Object
show all
Defined in:
lib/active_record/connection_adapters/cockroachdb/column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, cast_type, default, sql_type_metadata = nil, null = true, default_function = nil, collation: nil, comment: nil, identity: nil, serial: nil, generated: nil, hidden: nil) ⇒ Column

most functions taken from activerecord-postgis-adapter spatial_column https://github.com/rgeo/activerecord-postgis-adapter/blob/master/lib/active_record/connection_adapters/postgis/spatial_column.rb



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 23

def initialize(name, cast_type, default, sql_type_metadata = nil, null = true,
               default_function = nil, collation: nil, comment: nil, identity: nil,
               serial: nil, generated: nil, hidden: nil)

  super(name, cast_type, default, sql_type_metadata, null, default_function,
    collation: collation, comment: comment, serial: serial, generated: generated, identity: identity)

  @hidden = hidden

  return unless spatial?

  @geographic = sql_type_metadata.sql_type.match?(/geography\(/i)

  if @geographic
    # Geographic type information is embedded in the SQL type
    @srid = 4326
    @has_z = @has_m = false
    build_from_sql_type(sql_type_metadata.sql_type)
  elsif sql_type.match?(/geography|geometry|point|linestring|polygon/i)
    build_from_sql_type(sql_type_metadata.sql_type)
  elsif sql_type_metadata.sql_type.match?(/geography|geometry|point|linestring|polygon/i)
    # A geometry column with no geometry_columns entry.
    # @geometric_type = geo_type_from_sql_type(sql_type)
    build_from_sql_type(sql_type_metadata.sql_type)
  end

  if spatial? && @srid
    @limit = { srid: @srid, type: to_type_name(geometric_type) }
    @limit[:has_z] = true if @has_z
    @limit[:has_m] = true if @has_m
    @limit[:geographic] = true if @geographic
  end
end

Instance Attribute Details

#geographic ⇒ Object (readonly) Also known as: geographic?

Returns the value of attribute geographic.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def geographic
  @geographic
end

#geometric_type ⇒ Object (readonly)

Returns the value of attribute geometric_type.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def geometric_type
  @geometric_type
end

#has_m ⇒ Object (readonly) Also known as: has_m?

Returns the value of attribute has_m.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def has_m
  @has_m
end

#has_z ⇒ Object (readonly) Also known as: has_z?

Returns the value of attribute has_z.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def has_z
  @has_z
end

#hidden ⇒ Object (readonly) Also known as: hidden?

Returns the value of attribute hidden.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def hidden
  @hidden
end

#srid ⇒ Object (readonly)

Returns the value of attribute srid.



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 57

def srid
  @srid
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql?

TODO: add tests (see #390)



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 106

def ==(other)
  other.is_a?(Column) &&
    super &&
    other.geographic == geographic &&
    other.geometric_type == geometric_type &&
    other.has_m == has_m &&
    other.has_z == has_z &&
    other.srid == srid &&
    other.hidden == hidden &&
    other.limit == limit

end

#encode_with(coder) ⇒ Object

TODO: add tests (see #390)



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 94

def encode_with(coder)
  coder["geographic"] = @geographic
  coder["geometric_type"] = @geometric_type
  coder["has_m"] = @has_m
  coder["has_z"] = @has_z
  coder["srid"] = @srid
  coder["hidden"] = @hidden
  coder["limit"] = @limit
  super
end

#hash ⇒ Object

TODO: add tests (see #390)



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 121

def hash
  Column.hash ^
    super.hash ^
    geographic.hash ^
    geometric_type.hash ^
    has_m.hash ^
    has_z.hash ^
    srid.hash ^
    hidden.hash ^
    limit.hash
end

#init_with(coder) ⇒ Object

TODO: add tests (see #390)



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 82

def init_with(coder)
  @geographic = coder["geographic"]
  @geometric_type = coder["geometric_type"]
  @has_m = coder["has_m"]
  @has_z = coder["has_z"]
  @srid = coder["srid"]
  @hidden = coder["hidden"]
  @limit = coder["limit"]
  super
end

#limit ⇒ Object 



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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 69

def limit
  spatial? ? @limit : super
end

#serial? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 77

def serial?
  default_function == 'unique_rowid()'
end

#spatial? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/cockroachdb/column.rb', line 73

def spatial?
  %i[geometry geography].include?(@sql_type_metadata.type)
end