Module: Babik::QuerySet::Update::Assignment

Defined in:
lib/babik/queryset/lib/update/assignment.rb

Overview

Field assignment module

Defined Under Namespace

Classes: Decrement, Divide, Function, Increment, Multiply, Operation

Class Method Summary collapse

Class Method Details

._escape(str) ⇒ String

Escape a value for database



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# File 'lib/babik/queryset/lib/update/assignment.rb', line 40

def self._escape(str)
  Babik::Database.escape(str)
end

.sql_field(model, field) ⇒ String

Return the field prepared for the UPDATE operation. Used when rendering the SQL template



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# File 'lib/babik/queryset/lib/update/assignment.rb', line 15

def self.sql_field(model, field)
  field = Babik::Table::Field.new(model, field)
  field.real_field
end

.sql_value(update_field_value) ⇒ String

Return the value prepared for the UPDATE operation. Used when rendering the SQL template



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# File 'lib/babik/queryset/lib/update/assignment.rb', line 30

def self.sql_value(update_field_value)
  return update_field_value.sql_value if update_field_value.is_a?(Operation) || update_field_value.is_a?(Function)
  return _escape(update_field_value) if update_field_value.is_a?(String)
  return update_field_value.id if update_field_value.is_a?(ActiveRecord::Base)
  update_field_value
end