Class: Sequel::SQL::Identifier

Inherits:

GenericExpression

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

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

• #value ⇒ Object readonly

  The table or column to reference.

Instance Method Summary

• #function(*args) ⇒ Object

  Create a Function using this identifier as the functions name, with the given args.

• #initialize(value) ⇒ Identifier constructor

  Set the value to the given argument.

Methods included from QualifyingMethods

#*, #qualify

Methods included from Postgres::HStoreOpMethods

#hstore

Methods included from Postgres::RangeOpMethods

#pg_range

Methods included from Postgres::ArrayOpMethods

#pg_array

Methods included from Postgres::JSONOpMethods

#pg_json, #pg_jsonb

Methods included from Postgres::InetOpMethods

#pg_inet

Methods included from Postgres::PGRowOp::ExpressionMethods

#pg_row

Methods included from SubscriptMethods

#sql_subscript

Methods included from StringMethods

#ilike, #like

Methods included from PatternMatchMethods

#=~

Methods included from OrderMethods

#asc, #desc

Methods included from NumericMethods

#+, #coerce

Methods included from ComplexExpressionMethods

#extract, #sql_boolean, #sql_number, #sql_string

Methods included from CastMethods

#cast, #cast_numeric, #cast_string

Methods included from BooleanMethods

#~

Methods included from AliasMethods

#as

Methods inherited from Expression

#==, attr_reader, #eql?, #hash, inherited, #inspect, #lit, #sql_literal

Constructor Details

#initialize(value) ⇒ Identifier

Set the value to the given argument

# File 'lib/sequel/sql.rb', line 1450

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

The table or column to reference

# File 'lib/sequel/sql.rb', line 1447

def value
  @value
end

Instance Method Details

#function(*args) ⇒ Object

Create a Function using this identifier as the functions name, with the given args.

# File 'lib/sequel/sql.rb', line 1456

def function(*args)
  Function.new(self, *args)
end