Class: Sequel::SQL::Identifier

Inherits:
GenericExpression show all
Includes:
QualifyingMethods
Defined in:
lib/sequel/sql.rb

Overview

Represents an identifier (column or table). Can be used to specify a Symbol with multiple underscores should not be split, or for creating an identifier without using a symbol.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from QualifyingMethods

#qualify

Methods included from StringMethods

#ilike, #like

Methods included from BooleanMethods

#~

Methods included from ComplexExpressionMethods

#extract, #sql_boolean, #sql_number, #sql_string

Methods included from OrderMethods

#asc, #desc

Methods included from CastMethods

#cast, #cast_as, #cast_numeric, #cast_string

Methods included from AliasMethods

#as

Methods inherited from Expression

#lit

Constructor Details

#initialize(value) ⇒ Identifier

Set the value to the given argument



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# File 'lib/sequel/sql.rb', line 580

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

The table and column to reference



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# File 'lib/sequel/sql.rb', line 577

def value
  @value
end

Instance Method Details

#to_s(ds) ⇒ Object

Delegate the creation of the resulting SQL to the given dataset, since it may be database dependent.



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# File 'lib/sequel/sql.rb', line 586

def to_s(ds)
  ds.quote_identifier(@value)
end