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Contents
# frozen_string_literal: true
# This file contains extensions, overrides, and monkey patches to core parts
# of active record to allow SQL Server work properly.
#
module ActiveRecord
module ConnectionAdapters
module MSSQL
module AttributeMethods
private
# Overrides the original attributes_for_update merthod to reject
# primary keys because SQL Server does not allow updates
# of identity columns.
# NOTE: rails 4.1 used to reject primary keys but later changes broke
# this behaviour, even the current comments for that method says that
# it rejects primary key but it doesn't (maybe a rails bug?)
def attributes_for_update(attribute_names)
attribute_names &= self.class.column_names
attribute_names.delete_if do |name|
# It seems is only required to check if column in identity or not.
# This allows to update rails custom primary keys
next true if self.class.readonly_attribute?(name)
column = self.class.columns_hash[name]
column && column.identity?
end
end
end
end
end
end
module ActiveRecord
class Base
include ActiveRecord::ConnectionAdapters::MSSQL::AttributeMethods
end
end
Version data entries
14 entries across 14 versions & 1 rubygems