module ActiveRecord::Enum
Public Instance Methods
pg_enum(column_name)
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Define a PostgreSQL enum type.
@param column_name [String, Symbol] The name of a column representing an enum.
# File lib/enum_kit/active_record_patches/enum.rb, line 30 def pg_enum(column_name) values = pg_enum_values(column_name).map { |v| [v.to_sym, v.to_s] } enum(column_name => Hash[values]) end
pg_enum_values(column_name)
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Retrieve the acceptable values for the enum type associated with the given column.
@param column_name [String, Symbol] The name of a column representing an enum. @return [Array] The acceptable values for the enum type associated with the column.
# File lib/enum_kit/active_record_patches/enum.rb, line 14 def pg_enum_values(column_name) type = columns_hash[column_name.to_s]&.sql_type raise "Unable to determine '#{table_name}.#{column_name}' type. Did you forget to db:migrate?" if type.blank? enums = connection.enums[type.to_sym] raise "Unable to retrieve enums for type '#{type}'. Did you forget to db:migrate?" if enums.nil? enums end