method
connected?
v2.0.3 -
Show latest stable
- Class:
ActiveRecord::Base
connected?()public
Returns true if a connection that’s accessible to this class has already been opened.
- ==
- []
- []=
- attribute_for_inspect
- attribute_names
- attribute_present?
- attributes
- attributes=
- attributes_before_type_cast
- becomes
- clone
- column_for_attribute
- connection
- decrement
- decrement!
- destroy
- eql?
- freeze
- frozen?
- has_attribute?
- hash
- id
- id=
- increment
- increment!
- inspect
- new_record?
- readonly!
- readonly?
- reload
- save
- save!
- to_param
- toggle
- toggle!
- update_attribute
- update_attributes
- update_attributes!
- ===
- abstract_class?
- attr_accessible
- attr_protected
- attr_readonly
- base_class
- benchmark
- clear_active_connections!
- clear_reloadable_connections!
- column_names
- columns
- columns_hash
- connected?
- connection
- content_columns
- count_by_sql
- create
- decrement_counter
- delete
- delete_all
- descends_from_active_record?
- destroy
- destroy_all
- establish_connection
- exists?
- find
- find_by_sql
- increment_counter
- inheritance_column
- inspect
- new
- primary_key
- readonly_attributes
- remove_connection
- require_mysql
- reset_column_information
- serialize
- serialized_attributes
- set_inheritance_column
- set_primary_key
- set_sequence_name
- set_table_name
- silence
- table_exists?
- table_name
- update
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- update_counters
-
class_of_active_record_descendant - compute_type
- sanitize_sql_array
- sanitize_sql_for_assignment
- sanitize_sql_for_conditions
- sanitize_sql_hash_for_assignment
- sanitize_sql_hash_for_conditions
- with_exclusive_scope
- with_scope
-
add_conditions! - add_group!
- add_joins!
- add_limit!
- add_lock!
- add_order!
- all_attributes_exists?
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- clear_cache!
- construct_attributes_from_arguments
- construct_finder_sql
- define_attr_method
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- find_some
- instantiate
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- method_missing
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- quoted_table_name
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- 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
- ensure_proper_type
- execute_callstack_for_multiparameter_attributes
- extract_callstack_for_multiparameter_attributes
- find_parameter_position
- instantiate_time_object
- interpolate_sql
- object_from_yaml
- quote_columns
- quote_value
- quoted_column_names
- quoted_comma_pair_list
- remove_attributes_protected_from_mass_assignment
- remove_readonly_attributes
- type_cast_attribute_value
- update