Module Sequel::SQL::StringConcatenationMethods
In: lib/sequel/sql.rb

This module includes the + method. It is included in StringExpression and can be included elsewhere to allow the use of the + operator to represent concatenation of SQL Strings:

Methods

+  

Public Instance methods

+(ce)

Return a StringExpression representing the concatenation of the receiver with the given argument. 

  Sequel[:x].sql_string + :y # => "x" || "y"

[Source]

     # File lib/sequel/sql.rb, line 953
953:       def +(ce)
954:         StringExpression.new('||''||', self, ce)
955:       end

[Validate]