Module: DatastaxRails::AttributeMethods::PrimaryKey::ClassMethods
- Defined in:
- lib/datastax_rails/attribute_methods/primary_key.rb
Constant Summary collapse
- ID_ATTRIBUTE_METHODS =
%w(id id= id? id_before_type_cast).to_set
Instance Method Summary collapse
- #define_method_attribute(attr_name) ⇒ Object
-
#primary_key ⇒ Object
Defines the primary key field – can be overridden in subclasses.
-
#primary_key=(value) ⇒ Object
Sets the name of the primary key column.
-
#quoted_primary_key ⇒ Object
Returns a quoted version of the primary key name, used to construct CQL statements.
Instance Method Details
#define_method_attribute(attr_name) ⇒ Object
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# File 'lib/datastax_rails/attribute_methods/primary_key.rb', line 42 def define_method_attribute(attr_name) super if attr_name == primary_key && attr_name != 'id' generated_attribute_methods.send(:alias_method, :id, primary_key) end end |
#primary_key ⇒ Object
Defines the primary key field – can be overridden in subclasses. Overwriting will negate any effect of the primary_key_prefix_type
setting, though.
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# File 'lib/datastax_rails/attribute_methods/primary_key.rb', line 55 def primary_key @primary_key || 'id' end |
#primary_key=(value) ⇒ Object
Sets the name of the primary key column.
class Project < DatastaxRails::Base
self.primary_key = 'sysid'
end
You can also define the primary_key
method yourself:
class Project < DatastaxRails::Base
def self.primary_key
'foo_' + super
end
end
Project.primary_key # => "foo_id"
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# File 'lib/datastax_rails/attribute_methods/primary_key.rb', line 80 def primary_key=(value) @primary_key = value && value.to_s @quoted_primary_key = nil end |
#quoted_primary_key ⇒ Object
Returns a quoted version of the primary key name, used to construct CQL statements.
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# File 'lib/datastax_rails/attribute_methods/primary_key.rb', line 61 def quoted_primary_key @quoted_primary_key ||= connection.quote_column_name(primary_key) end |