Class: SQLiteTypes::Array

Inherits:
ActiveRecord::Type::Json
  • Object
show all
Defined in:
lib/sqlite_types/array.rb

Constant Summary collapse

SUPPORTED_SUBTYPES = 
%i[integer string text hash json jsonb datetime].freeze
POSTGRESQL_TIMESTAMP_JSON_FORMAT = 
"%Y-%m-%dT%H:%M:%S.%6N"

Instance Method Summary collapse

Constructor Details

#initialize(subtype, nested: false) ⇒ Array

Returns a new instance of Array.

Raises:

  • (ArgumentError) 


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# File 'lib/sqlite_types/array.rb', line 10

def initialize(subtype, nested: false)
  subtype = subtype.to_sym if subtype.respond_to?(:to_sym)
  raise ArgumentError, "Unsupported subtype: #{subtype}" unless SUPPORTED_SUBTYPES.include?(subtype)

  @subtype = subtype
  @nested = nested
  super()
end

Instance Method Details

#deserialize(value) ⇒ Object 



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# File 'lib/sqlite_types/array.rb', line 19

def deserialize(value)
  return if value.nil?

  array = parse_array(value)

  if @nested
    array.map do |nested_array|
      parse_array(nested_array, nested: true).map { |element| cast_element(element) }
    end
  else
    array.map { |element| cast_element(element) }
  end
end

#force_equality?(value) ⇒ Boolean

Use “=” instead of “IN” in WHERE clause, to match PostgreSQL arrays

Returns:

  • (Boolean) 


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# File 'lib/sqlite_types/array.rb', line 44

def force_equality?(value)
  value.is_a?(::Array)
end

#serialize(value) ⇒ Object 



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# File 'lib/sqlite_types/array.rb', line 33

def serialize(value)
  return super if value.nil?

  # Normalize through the same cast path as reads so persisted values and equality queries
  # use one canonical JSON representation for the declared subtype.
  array = deserialize(value)
  array = serialize_datetime_array(array) if @subtype == :datetime
  super(array)
end