Class: Sequel::SQL::WindowFunction

Inherits:
GenericExpression show all
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 collapse

Instance Method Summary collapse

Methods included from Postgres::HStoreOpMethods

#hstore

Methods included from Postgres::RangeOpMethods

#pg_range

Methods included from Postgres::ArrayOpMethods

#pg_array

Methods included from Postgres::JSONOpMethods

#pg_json

Methods included from Postgres::PGRowOp::ExpressionMethods

#pg_row

Methods included from SubscriptMethods

#sql_subscript

Methods included from StringMethods

#ilike, #like

Methods included from OrderMethods

#asc, #desc

Methods included from NumericMethods

#+

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, #eql?, #hash, inherited, #inspect, #lit, #sql_literal

Constructor Details

#initialize(function, window) ⇒ WindowFunction

Set the function and window.



1717
1718
1719
 
# File 'lib/sequel/sql.rb', line 1717

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

Instance Attribute Details

#function ⇒ Object (readonly)

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



1711
1712
1713
 
# File 'lib/sequel/sql.rb', line 1711

def function
  @function
end

#window ⇒ Object (readonly)

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



1714
1715
1716
 
# File 'lib/sequel/sql.rb', line 1714

def window
  @window
end