class Sequel::LiteralString

LiteralString is used to represent literal SQL expressions. A LiteralString is copied verbatim into an SQL statement. Instances of LiteralString can be created by calling Sequel.lit.

Attributes

source[R]

The string used when creating the literal string (first argument to Sequel::LiteralString.new). This may be nil if no string was provided, or if the litral string was created before this extension was required.

Public Class Methods

new(*a) click to toggle source

Calls superclass method

   # File lib/sequel/extensions/lit_require_frozen.rb
52 def initialize(*a)
53   @source = a.first
54   super
55 end

Public Instance Methods

inspect() click to toggle source

Show that the current string is a literal string in addition to the output.

     # File lib/sequel/sql.rb
2039 def inspect
2040   "#<#{self.class} #{super}>"
2041 end

lit(*args) click to toggle source

Return self if no args are given, otherwise return a SQL::PlaceholderLiteralString with the current string and the given args.

     # File lib/sequel/sql.rb
2045 def lit(*args)
2046   args.empty? ? self : SQL::PlaceholderLiteralString.new(self, args)
2047 end

to_sequel_blob() click to toggle source

Convert a literal string to a SQL::Blob.

     # File lib/sequel/sql.rb
2050 def to_sequel_blob
2051   SQL::Blob.new(self)
2052 end