Class: Sequel::SQL::Subscript

Inherits:

GenericExpression

• Object
• Expression
• GenericExpression
• Sequel::SQL::Subscript

Defined in:

lib/sequel/sql.rb

Overview

Represents an SQL array access, with multiple possible arguments.

Instance Attribute Summary

• #f ⇒ Object readonly

  The SQL array column.

• #sub ⇒ Object readonly

  The array of subscripts to use (should be an array of numbers).

Instance Method Summary

• #initialize(f, sub) ⇒ Subscript constructor

  Set the array column and subscripts to the given arguments.

• #|(sub) ⇒ Object

  Create a new Subscript appending the given subscript(s) the the current array of subscripts.

Methods included from SubscriptMethods

#sql_subscript

Methods included from StringMethods

#ilike, #like

Methods included from OrderMethods

#asc, #desc

Methods included from NumericMethods

#+

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, comparison_attrs, #eql?, #hash, #inspect, #lit, #sql_literal

Constructor Details

#initialize(f, sub) ⇒ Subscript

Set the array column and subscripts to the given arguments

# File 'lib/sequel/sql.rb', line 1020

def initialize(f, sub)
  @f, @sub = f, sub
end

Instance Attribute Details

#f ⇒ Object (readonly)

The SQL array column

# File 'lib/sequel/sql.rb', line 1014

def f
  @f
end

#sub ⇒ Object (readonly)

The array of subscripts to use (should be an array of numbers)

# File 'lib/sequel/sql.rb', line 1017

def sub
  @sub
end

Instance Method Details

#|(sub) ⇒ Object

Create a new Subscript appending the given subscript(s) the the current array of subscripts.

# File 'lib/sequel/sql.rb', line 1026

def |(sub)
  Subscript.new(@f, @sub + Array(sub))
end