Class: Sequel::SQL::Blob

Inherits:

String

• Object
• String
• Sequel::SQL::Blob

Includes:

AliasMethods, CastMethods

Defined in:

lib/sequel/sql.rb

Overview

Blob is used to represent binary data in the Ruby environment that is stored as a blob type in the database. Sequel represents binary data as a Blob object because most database engines require binary data to be escaped differently than regular strings.

Instance Method Summary

• #lit(*args) ⇒ Object

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

• #to_sequel_blob ⇒ Object

  Returns self, since it is already a blob.

Methods included from CastMethods

#cast, #cast_numeric, #cast_string

Methods included from AliasMethods

#as

Methods inherited from String

#blank?, #camelize, #classify, #constantize, #dasherize, #demodulize, #foreign_key, #humanize, inflections, #pluralize, #singularize, #tableize, #titleize, #to_date, #to_datetime, #to_sequel_time, #to_time, #underscore

Instance Method Details

#lit(*args) ⇒ Object

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

# File 'lib/sequel/sql.rb', line 1033

def lit(*args)
  args.empty? ? LiteralString.new(self) : SQL::PlaceholderLiteralString.new(self, args)
end

#to_sequel_blob ⇒ Object

Returns self, since it is already a blob.

# File 'lib/sequel/sql.rb', line 1038

def to_sequel_blob
  self
end