class Sequel::SQL::Subscript
Represents an SQL
array access, with multiple possible arguments.
Attributes
expression[R]
The SQL
array column
f[R]
The SQL
array column
sub[R]
The array of subscripts to use (should be an array of numbers)
Public Class Methods
new(expression, sub)
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Set the array column and subscripts to the given arguments
# File lib/sequel/sql.rb 1816 def initialize(expression, sub) 1817 @expression = expression 1818 @sub = sub 1819 freeze 1820 end
Public Instance Methods
[](sub)
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Create a new Subscript
by accessing a subarray of a multidimensional array.
Sequel[:a].sql_subscript(2) # a[2] Sequel[:a].sql_subscript(2)[1] # a[2][1]
# File lib/sequel/sql.rb 1836 def [](sub) 1837 Subscript.new(self, Array(sub)) 1838 end
|(sub)
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Create a new Subscript
appending the given subscript(s) to the current array of subscripts.
Sequel[:a].sql_subscript(2) # a[2] Sequel[:a].sql_subscript(2) | 1 # a[2, 1]
# File lib/sequel/sql.rb 1827 def |(sub) 1828 Subscript.new(@expression, @sub + Array(sub)) 1829 end