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, line 1742 def initialize(expression, sub) @expression = expression @sub = sub freeze 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, line 1762 def [](sub) Subscript.new(self, Array(sub)) 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, line 1753 def |(sub) Subscript.new(@expression, @sub + Array(sub)) end