Class: Arel::Take

Inherits:

Compound

• Object
• Compound
• Arel::Take

Defined in:

lib/arel/algebra/relations/operations/take.rb,
lib/arel/engines/memory/relations/operations.rb

Instance Attribute Summary

Attributes inherited from Compound

#relation

Attributes included from Relation

#count

Instance Method Summary

• #eval ⇒ Object
• #externalizable? ⇒ Boolean

Methods inherited from Compound

#attributes, #build_query, #engine, #eql?, #hash, requires, #unoperated_rows

Methods included from Relation

#bind, #call, #christener, #compiler, #exclusion_predicate_sql, #externalize, #inclusion_predicate_sql, #join?, #primary_key, #session, #to_sql

Methods included from Relation::DefaultOperations

#attributes, #groupings, #havings, #inserts, #joins, #locked, #orders, #projections, #skipped, #sources, #taken, #wheres

Methods included from Relation::AttributeAccessable

#[], #find_attribute_matching_attribute, #find_attribute_matching_name, #position_of

Methods included from Relation::Operable

#alias, #join, #lock, #outer_join

Methods included from Relation::Operable::Writable

#delete, #insert, #update

Methods included from Relation::Enumerable

#each, #first

Instance Method Details

#eval ⇒ Object

# File 'lib/arel/engines/memory/relations/operations.rb', line 24

def eval
  unoperated_rows[0, taken]
end

#externalizable? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/arel/algebra/relations/operations/take.rb', line 7

def externalizable?
  true
end