Module: Sequel::SQL::OrderMethods

Included in:
Dataset, LiteralString, ComplexExpression, GenericExpression, StringAgg, Symbol
Defined in:
lib/sequel/sql.rb

Overview

Methods that create OrderedExpressions, used for sorting by columns or more complex expressions.

Instance Method Summary collapse

Instance Method Details

#asc(opts = OPTS) ⇒ Object

Mark the receiving SQL column as sorting in an ascending fashion (generally a no-op). Options:

:nulls

Set to :first to use NULLS FIRST (so NULL values are ordered before other values), or :last to use NULLS LAST (so NULL values are ordered after other values).



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# File 'lib/sequel/sql.rb', line 915

def asc(opts=OPTS)
  OrderedExpression.new(self, false, opts)
end

#desc(opts = OPTS) ⇒ Object

Mark the receiving SQL column as sorting in a descending fashion. Options:

:nulls

Set to :first to use NULLS FIRST (so NULL values are ordered before other values), or :last to use NULLS LAST (so NULL values are ordered after other values).



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# File 'lib/sequel/sql.rb', line 925

def desc(opts=OPTS)
  OrderedExpression.new(self, true, opts)
end