class Dbsketch::Comparison::ColumnComparator

Public Class Methods

new(options: {}) click to toggle source
# File lib/dbsketch/comparison/column_comparator.rb, line 36
def initialize options: {}
        @options = { :compare_order => true }.merge options
        @type_comparator = TypeComparator.new
end

Public Instance Methods

are_equivalent?(old_column, new_column) click to toggle source
# File lib/dbsketch/comparison/column_comparator.rb, line 41
def are_equivalent? old_column, new_column
        ### Preconditions
        raise ArgumentError, "old_column is not a Dbsketch::Model::Column" unless nil == old_column or old_column.is_a? Dbsketch::Model::Column
        raise ArgumentError, "new_column is not a Dbsketch::Model::Column" unless nil == new_column or new_column.is_a? Dbsketch::Model::Column
        ###
        (nil != old_column and nil != new_column) and
                @type_comparator.are_equivalent?(old_column.type, new_column.type) and
                old_column.identity == new_column.identity and
                old_column.default == new_column.default and
                old_column.nullable == new_column.nullable and
                (not @options[:compare_order] or old_column.order == new_column.order)
end
compare(old_column, new_column) click to toggle source
# File lib/dbsketch/comparison/column_comparator.rb, line 54
def compare old_column, new_column
        ### Preconditions
        raise ArgumentError, "old_column is not a Dbsketch::Model::Column" unless nil == old_column or old_column.is_a? Dbsketch::Model::Column
        raise ArgumentError, "new_column is not a Dbsketch::Model::Column" unless nil == new_column or new_column.is_a? Dbsketch::Model::Column
        ###
        ColumnDiff.new(old_column, new_column, @type_comparator, @options) if not are_equivalent? old_column, new_column
end