method
column_names
v3.1.0 -
Show latest stable
- Class:
ActiveRecord::Base
column_names()public
Returns an array of column names as strings.
- <=>
- ==
- assign_attributes
- attribute_for_inspect
- attribute_names
- attribute_present?
- attributes
- attributes=
- cache_key
- column_for_attribute
- connection
- dup
- encode_with
- eql?
- freeze
- frozen?
- has_attribute?
- hash
- init_with
- initialize_dup
- inspect
- quoted_id
- readonly!
- readonly?
- to_param
- ===
- abstract_class?
- arel_engine
- arel_table
- attr_readonly
- attribute_method?
- attribute_names
- base_class
- before_remove_const
- clear_active_connections!
- clear_cache!
- column_defaults
- column_methods_hash
- column_names
- columns
- columns_hash
- configurations
- connected?
- connection
- connection_config
- connection_handler
- connection_pool
- content_columns
- count_by_sql
- create
- default_timezone
- descends_from_active_record?
- establish_connection
- find_by_sql
- finder_needs_type_condition?
- full_table_name_prefix
- i18n_scope
- inheritance_column
- inheritance_column=
- inspect
- instantiate
- logger
- lookup_ancestors
- mysql2_connection
- mysql_connection
- new
- pluralize_table_names
- postgresql_connection
- primary_key_prefix_type
- quote_value
- quoted_table_name
- readonly_attributes
- remove_connection
- reset_column_information
- reset_sequence_name
- reset_table_name
- respond_to?
- retrieve_connection
- sanitize
- schema_format
- sequence_name
- sequence_name=
- serialize
- set_inheritance_column
- set_sequence_name
- set_table_name
- sqlite3_connection
- sti_name
- symbolized_base_class
- symbolized_sti_name
- table_exists?
- table_name
- table_name=
- table_name_prefix
- table_name_suffix
- timestamped_migrations
- unscoped
-
aggregate_mapping - build_default_scope
- class_of_active_record_descendant
- compute_type
- current_scope
- current_scope=
- default_scope
- encode_quoted_value
- evaluate_default_scope
- expand_hash_conditions_for_aggregates
- expand_range_bind_variables
- ignore_default_scope=
- ignore_default_scope?
- quote_bound_value
- raise_if_bind_arity_mismatch
- replace_bind_variables
- replace_named_bind_variables
- sanitize_conditions
- sanitize_sql
- sanitize_sql_array
- sanitize_sql_for_assignment
- sanitize_sql_for_conditions
- sanitize_sql_hash
- sanitize_sql_hash_for_assignment
- sanitize_sql_hash_for_conditions
- with_exclusive_scope
- with_scope
- clone_attribute_value
- clone_attributes
- mass_assignment_options
- mass_assignment_role
-
all_attributes_exists? - attributes_protected_by_default
- compute_table_name
- construct_finder_arel
- expand_attribute_names_for_aggregates
- find_sti_class
- method_missing
- relation
- type_condition
- undecorated_table_name
- arel_attributes_values
- assign_multiparameter_attributes
- clear_timestamp_attributes
- comma_pair_list
- convert_number_column_value
- ensure_proper_type
- execute_callstack_for_multiparameter_attributes
- extract_callstack_for_multiparameter_attributes
- extract_max_param_for_multiparameter_attributes
- find_parameter_position
- instantiate_time_object
- populate_with_current_scope_attributes
- quote_columns
- quote_value
- quoted_comma_pair_list
- read_date_parameter_value
- read_other_parameter_value
- read_time_parameter_value
- read_value_from_parameter
- set_serialized_attributes
- to_ary
- type_cast_attribute_value