Module: Sequel

Defined in:
lib/sequel/model.rb,
lib/sequel/model.rb,
lib/sequel/schema.rb,
lib/sequel/worker.rb,
lib/sequel/core_ext.rb,
lib/sequel/database.rb,
lib/sequel/array_keys.rb,
lib/sequel/model/base.rb,
lib/sequel/model/hooks.rb,
lib/sequel/model/record.rb,
lib/sequel/model/schema.rb,
lib/sequel/model/caching.rb,
lib/sequel/model/plugins.rb,
lib/sequel/connection_pool.rb,
lib/sequel/model/relations.rb,
lib/sequel/adapters/odbc_mssql.rb,
lib/sequel/schema/schema_generator.rb

Defined Under Namespace

Modules: NumericExtensions, ODBC, Plugins, Schema Classes: ConnectionPool, Database, Model, SingleThreadedPool, Worker

Class Method Summary collapse

Class Method Details

.Model(source) ⇒ Object

Lets you create a Model class with its table name already set or reopen an existing Model.

Makes given dataset inherited.

Example:

class Comment < Sequel::Model(:comments)
  table_name # => :comments

  # ...

end



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# File 'lib/sequel/model/base.rb', line 88

def self.Model(source)
  @models ||= {}
  @models[source] ||= Class.new(Sequel::Model) do
    meta_def(:inherited) do |c|
      c.set_dataset(source.is_a?(Dataset) ? source : c.db[source])
    end
  end
end

.use_array_tuples ⇒ Object

Modifies all dataset classes to fetch records as arrays with keys. By default records are fetched as hashes.



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# File 'lib/sequel/array_keys.rb', line 260

def self.use_array_tuples
  Dataset.dataset_classes.each do |c|
    c.class_eval do
      if method_defined?(:array_tuples_fetch_rows)
        alias_method :hash_tuples_fetch_rows, :fetch_rows
        alias_method :fetch_rows, :array_tuples_fetch_rows
      else
        alias_method :orig_each, :each
        alias_method :orig_update_each_method, :update_each_method
        include ArrayKeys::DatasetExtensions
        alias_method :each, :array_tuples_each
        alias_method :update_each_method, :array_tuples_update_each_method
      end
    end
  end
end

.use_hash_tuples ⇒ Object

Modifies all dataset classes to fetch records as hashes.



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# File 'lib/sequel/array_keys.rb', line 278

def self.use_hash_tuples
  Dataset.dataset_classes.each do |c|
    c.class_eval do
      if method_defined?(:hash_tuples_fetch_rows)
        alias_method :fetch_rows, :hash_tuples_fetch_rows
      else
        if method_defined?(:orig_each)
          alias_method :each, :orig_each
          undef_method :orig_each
        end
        if method_defined?(:orig_update_each_method)
          alias_method :update_each_method, :orig_update_each_method
          undef_method :orig_update_each_method
        end
      end
    end
  end
end