Class: ROM::SQL::Postgres::Types::ArrayTypes Private

Inherits:
Object
  • Object
show all
Defined in:
lib/rom/sql/extensions/postgres/types/array_types.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

API:

  • private

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base_write_type, base_read_type) ⇒ ArrayTypes

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of ArrayTypes.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 19

def initialize(base_write_type, base_read_type)
  @elements = {}
  @base_write_type = base_write_type
  @base_read_type = base_read_type
  @constructor = proc { |db_type, member|
    if member
      -> arr { Sequel.pg_array(arr.map { |v| member[v] }, db_type) }
    else
      -> arr { Sequel.pg_array(arr, db_type) }
    end
  }
end

Instance Attribute Details

#base_read_type ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 17

def base_read_type
  @base_read_type
end

#base_write_type ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 15

def base_write_type
  @base_write_type
end

#constructor ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 13

def constructor
  @constructor
end

#elements ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 11

def elements
  @elements
end

Instance Method Details

#[](db_type, member_type = nil) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/rom/sql/extensions/postgres/types/array_types.rb', line 32

def [](db_type, member_type = nil)
  elements.fetch(db_type) do
    name = "#{db_type}[]"

    write_type = build_write_type(db_type, member_type)
    read_type = build_read_type(db_type, member_type)

    array_type = Types.Type(name, write_type).meta(type: db_type, read: read_type)

    register_extension(array_type)

    elements[db_type] = array_type
  end
end