Class: Sequel::SQL::Identifier

Inherits:

GenericExpression

• Object
• Expression
• GenericExpression
• Sequel::SQL::Identifier

Includes:

QualifyingMethods

Defined in:

lib/sequel_core/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

• #value ⇒ Object readonly

  The table and column to reference.

Instance Method Summary

• #initialize(value) ⇒ Identifier constructor

  Set the value to the given argument.

• #to_s(ds) ⇒ Object

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

Methods included from QualifyingMethods

#qualify

Methods included from ComplexExpressionMethods

#extract, #sql_boolean, #sql_number, #sql_string

Methods included from StringMethods

#ilike, #like

Methods included from BooleanMethods

#~

Methods included from OrderMethods

#asc, #desc

Methods included from CastMethods

#cast, #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

# File 'lib/sequel_core/sql.rb', line 585

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

The table and column to reference

# File 'lib/sequel_core/sql.rb', line 582

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.

# File 'lib/sequel_core/sql.rb', line 591

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