Module: ActiveRecord::ConnectionAdapters::SchemaStatements

Defined in:
lib/activerecord_constraints.rb

Instance Method Summary collapse

Instance Method Details

#add_column_options_with_constraints!(sql, options) ⇒ Object

When base.add_column_options_with_constraints! is called by ColumnDefinition#add_column_options_with_constraints! it ends up calling SchemaStatements#add_column_options_with_constraints!. We capture that call as well so that we can append the constraint clauses to the sql statement.



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# File 'lib/activerecord_constraints.rb', line 232

def add_column_options_with_constraints!(sql, options)
  ActiveRecord::Base.logger.debug("IN: SchemaStatements#add_column_options_with_constraints!")
  # Add this in if you need the stack trace when this is called.
  # ActiveRecord::Base.logger.debug("#{caller[0 .. 10].join("\n")}")

  # TODO:
  # This needs to dig out the database type of the connection
  # and then extend the database specific set of Constraints
  extend Constraints::Postgresql

  add_column_options_without_constraints!(sql, options)
  if options.has_key? :column
    # This is code that may never have worked.
    column_name = options[:column].name
  else
    raise ArgumentError.new("Can't pasrse SQL #{sql} to find column name") unless
      md = Regexp.new('.* add column[ "]+([^ "]+)[" ]+.*', Regexp::IGNORECASE).match(sql)
    column_name = md[1]
  end
  sql << unique_str(column_name, options, true)
  sql << reference_str(column_name, options, true)
  sql << check_str(column_name, options, true)
  sql << suffix_str(options)
end