ActiveRecord::AttributeMethods::PrimaryKey (original) (raw)

Active Record Attribute Methods Primary Key

Namespace

• MODULE ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods

Methods

I

• id,
• id=,
• id?,
• id_before_type_cast,
• id_in_database,
• id_was

T

• to_key

Instance Public methods

id()Link

Returns the primary key column’s value. If the primary key is composite, returns an array of the primary key column values.

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def id _read_attribute(@primary_key) end

id=(value)Link

Sets the primary key column’s value. If the primary key is composite, raises TypeError when the set value not enumerable.

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def id=(value) _write_attribute(@primary_key, value) end

id?()Link

Queries the primary key column’s value. If the primary key is composite, all primary key column values must be queryable.

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def id? _query_attribute(@primary_key) end

id_before_type_cast()Link

Returns the primary key column’s value before type cast. If the primary key is composite, returns an array of primary key column values before type cast.

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def id_before_type_cast attribute_before_type_cast(@primary_key) end

id_in_database()Link

Returns the primary key column’s value from the database. If the primary key is composite, returns an array of primary key column values from database.

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def id_in_database attribute_in_database(@primary_key) end

id_was()Link

Returns the primary key column’s previous value. If the primary key is composite, returns an array of primary key column previous values.

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def id_was attribute_was(@primary_key) end

to_key()Link

Returns this record’s primary key value wrapped in an array if one is available.

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def to_key key = id Array(key) if key end