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# frozen_string_literal: true
module ClickHouse
module MigrationSupport
class MigrationError < StandardError
def initialize(message = nil)
message = "\n\n#{message}\n\n" if message
super
end
end
class IllegalMigrationNameError < MigrationError
def initialize(name = nil)
if name
super("Illegal name for migration file: #{name}\n\t(only lower case letters, numbers, and '_' allowed).")
else
super('Illegal name for migration.')
end
end
end
IrreversibleMigration = Class.new(MigrationError)
class DuplicateMigrationVersionError < MigrationError
def initialize(version = nil)
if version
super("Multiple migrations have the version number #{version}.")
else
super('Duplicate migration version error.')
end
end
end
class DuplicateMigrationNameError < MigrationError
def initialize(name = nil)
if name
super("Multiple migrations have the name #{name}.")
else
super('Duplicate migration name.')
end
end
end
class UnknownMigrationVersionError < MigrationError
def initialize(version = nil)
if version
super("No migration with version number #{version}.")
else
super('Unknown migration version.')
end
end
end
end
end
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