Class: Sequel::SQL::Window

Inherits:
Expression show all
Defined in:
lib/sequel/sql.rb

Overview

A Window is part of a window function specifying the window over which a window function operates.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Expression

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

Constructor Details

#initialize(opts = OPTS) ⇒ Window

Set the options to the options given



1815
1816
1817
# File 'lib/sequel/sql.rb', line 1815

def initialize(opts=OPTS)
  @opts = opts
end

Instance Attribute Details

#optsObject (readonly)

The options for this window. Options currently supported:

:frame

if specified, should be :all, :rows, or a String that is used literally. :all always operates over all rows in the partition, while :rows excludes the current row's later peers. The default is to include all previous rows in the partition up to the current row's last peer.

:order

order on the column(s) given

:partition

partition/group on the column(s) given

:window

base results on a previously specified named window



1812
1813
1814
# File 'lib/sequel/sql.rb', line 1812

def opts
  @opts
end