method
decrement!
v1.1.6 -
Show latest stable
- Class:
ActiveRecord::Base
decrement!(attribute)public
Decrements the attribute and saves the record.
- ==
- []
- []=
- attribute_names
- attribute_present?
- attributes
- attributes=
- attributes_before_type_cast
- clone
- column_for_attribute
- connection
- decrement
- decrement!
- destroy
- eql?
- freeze
- frozen?
- has_attribute?
- hash
- id
- id=
- increment
- increment!
- new_record?
- readonly?
- reload
- respond_to?
- save
- save!
- to_param
- to_xml
- toggle
- toggle!
- update_attribute
- update_attributes
- ===
- abstract_class?
- attr_accessible
- attr_protected
- base_class
- benchmark
- clear_active_connections!
- column_names
- columns
- columns_hash
- connected?
- connection
- connection=
- content_columns
- count_by_sql
- create
- decrement_counter
- delete
- delete_all
- destroy
- destroy_all
- establish_connection
- exists?
- find
- find_by_sql
- increment_counter
- inheritance_column
- new
- primary_key
- remove_connection
- reset_column_information
- serialize
- serialized_attributes
- set_inheritance_column
- set_locking_column
- set_primary_key
- set_sequence_name
- set_table_name
- silence
- table_exists?
- table_name
- update
- update_all
- with_exclusive_scope
- with_scope
-
class_of_active_record_descendant - compute_type
- sanitize_sql
-
add_conditions! - add_joins!
- add_limit!
- all_attributes_exists?
- attribute_condition
- clear_all_cached_connections!
- clear_cache!
- construct_attributes_from_arguments
- construct_conditions_from_arguments
- construct_finder_sql
- define_attr_method
- determine_deprecated_finder
- determine_finder
- extract_attribute_names_from_match
- find_every
- find_from_ids
- find_initial
- find_one
- find_some
- instantiate
- merge_includes
- method_missing
- parse_config!
- remove_stale_cached_threads!
- safe_to_array
- type_condition
- type_name_with_module
- undecorated_table_name
- assign_multiparameter_attributes
- attributes_from_column_definition
- attributes_protected_by_default
- attributes_with_quotes
- clone_attribute_value
- clone_attributes
- comma_pair_list
- convert_number_column_value
- create
- create_or_update
- define_question_method
- define_read_method
- define_read_methods
- ensure_proper_type
- evaluate_read_method
- execute_callstack_for_multiparameter_attributes
- extract_callstack_for_multiparameter_attributes
- find_parameter_position
- interpolate_sql
- method_missing
- object_from_yaml
- query_attribute
- quote
- quote_columns
- quoted_column_names
- quoted_comma_pair_list
- read_attribute
- read_attribute_before_type_cast
- remove_attributes_protected_from_mass_assignment
- type_cast_attribute_value
- unserializable_attribute?
- unserialize_attribute
- update
- write_attribute