diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb | 72 |
1 files changed, 44 insertions, 28 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index 1a633dcc00..d318e07750 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -48,22 +48,38 @@ module ActiveRecord # Casts value (which is a String) to an appropriate instance. def type_cast(value) - if value.nil? then return nil end + return nil if value.nil? case type when :string then value when :text then value when :integer then value.to_i rescue value ? 1 : 0 when :float then value.to_f - when :datetime then string_to_time(value) - when :timestamp then string_to_time(value) - when :time then string_to_dummy_time(value) - when :date then string_to_date(value) - when :binary then binary_to_string(value) + when :datetime then self.class.string_to_time(value) + when :timestamp then self.class.string_to_time(value) + when :time then self.class.string_to_dummy_time(value) + when :date then self.class.string_to_date(value) + when :binary then self.class.binary_to_string(value) when :boolean then value == true or (value =~ /^t(rue)?$/i) == 0 or value.to_s == '1' else value end end + def type_cast_code(var_name) + case type + when :string then nil + when :text then nil + when :integer then "(#{var_name}.to_i rescue #{var_name} ? 1 : 0)" + when :float then "#{var_name}.to_f" + when :datetime then "#{self.class.name}.string_to_time(#{var_name})" + when :timestamp then "#{self.class.name}.string_to_time(#{var_name})" + when :time then "#{self.class.name}.string_to_dummy_time(#{var_name})" + when :date then "#{self.class.name}.string_to_date(#{var_name})" + when :binary then "#{self.class.name}.binary_to_string(#{var_name})" + when :boolean then "(#{var_name} == true or (#{var_name} =~ /^t(?:true)?$/i) == 0 or #{var_name}.to_s == '1')" + else nil + end + end + # Returns the human name of the column name. # # ===== Examples @@ -73,38 +89,38 @@ module ActiveRecord end # Used to convert from Strings to BLOBs - def string_to_binary(value) + def self.string_to_binary(value) value end # Used to convert from BLOBs to Strings - def binary_to_string(value) + def self.binary_to_string(value) value end - private - def string_to_date(string) - return string unless string.is_a?(String) - date_array = ParseDate.parsedate(string) - # treat 0000-00-00 as nil - Date.new(date_array[0], date_array[1], date_array[2]) rescue nil - end + def self.string_to_date(string) + return string unless string.is_a?(String) + date_array = ParseDate.parsedate(string) + # treat 0000-00-00 as nil + Date.new(date_array[0], date_array[1], date_array[2]) rescue nil + end - def string_to_time(string) - return string unless string.is_a?(String) - time_array = ParseDate.parsedate(string)[0..5] - # treat 0000-00-00 00:00:00 as nil - Time.send(Base.default_timezone, *time_array) rescue nil - end + def self.string_to_time(string) + return string unless string.is_a?(String) + time_array = ParseDate.parsedate(string)[0..5] + # treat 0000-00-00 00:00:00 as nil + Time.send(Base.default_timezone, *time_array) rescue nil + end - def string_to_dummy_time(string) - return string unless string.is_a?(String) - time_array = ParseDate.parsedate(string) - # pad the resulting array with dummy date information - time_array[0] = 2000; time_array[1] = 1; time_array[2] = 1; - Time.send(Base.default_timezone, *time_array) rescue nil - end + def self.string_to_dummy_time(string) + return string unless string.is_a?(String) + time_array = ParseDate.parsedate(string) + # pad the resulting array with dummy date information + time_array[0] = 2000; time_array[1] = 1; time_array[2] = 1; + Time.send(Base.default_timezone, *time_array) rescue nil + end + private def extract_limit(sql_type) $1.to_i if sql_type =~ /\((.*)\)/ end |