Class: Sequel::SQL::WindowFunction

Inherits:

GenericExpression

• Object
• Expression
• GenericExpression
• Sequel::SQL::WindowFunction

Defined in:

lib/sequel/sql.rb

Overview

A WindowFunction is a grouping of a Function with a Window over which it operates.

Instance Attribute Summary

• #function ⇒ Object readonly

  The function to use, should be an SQL::Function.

• #window ⇒ Object readonly

  The window to use, should be an SQL::Window.

Instance Method Summary

• #initialize(function, window) ⇒ WindowFunction constructor

  Set the function and window.

Methods included from SubscriptMethods

#sql_subscript

Methods included from StringMethods

#ilike, #like

Methods included from OrderMethods

#asc, #desc

Methods included from ComplexExpressionMethods

#extract, #sql_boolean, #sql_number, #sql_string

Methods included from CastMethods

#cast, #cast_numeric, #cast_string

Methods included from BooleanMethods

#~

Methods included from AliasMethods

#as

Methods inherited from Expression

#==, attr_reader, comparison_attrs, #eql?, #hash, #inspect, #lit, #sql_literal

Constructor Details

#initialize(function, window) ⇒ WindowFunction

Set the function and window.

# File 'lib/sequel/sql.rb', line 1105

def initialize(function, window)
  @function, @window = function, window
end

Instance Attribute Details

#function ⇒ Object (readonly)

The function to use, should be an SQL::Function.

# File 'lib/sequel/sql.rb', line 1099

def function
  @function
end

#window ⇒ Object (readonly)

The window to use, should be an SQL::Window.

# File 'lib/sequel/sql.rb', line 1102

def window
  @window
end