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Size: 1.21 KB
Versions: 12
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Stored size: 1.21 KB
Contents
# frozen_string_literal: true
require 'set'
module ROM
module SQL
class Schema < ROM::Schema
# @api public
class IndexDSL # < BasicObject
extend Initializer
option :attr_class
attr_reader :registry
# @api private
def initialize(*, &block)
super
@registry = []
instance_exec(&block)
end
ruby2_keywords(:initialize) if respond_to?(:ruby2_keywords, true)
# @api public
def index(*attributes, **options)
registry << [attributes, options]
end
# @api private
def call(schema_name, attrs)
attributes = attrs.map do |attr|
attr_class.new(attr[:type], **(attr[:options] || {})).meta(source: schema_name)
end
registry.map { |attr_names, options|
build_index(attributes, attr_names, options)
}.to_set
end
private
# @api private
def build_index(attributes, attr_names, options)
index_attributes = attr_names.map do |name|
attributes.find { |a| a.name == name }.unwrap
end
Index.new(index_attributes, **options)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems