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# frozen_string_literal: true
module Gitlab
module Database
module PartitioningMigrationHelpers
class PartitionedForeignKeyValidator < ActiveModel::Validator
def validate(record)
validate_key_part(record, :from_table, :from_column)
validate_key_part(record, :to_table, :to_column)
end
private
def validate_key_part(record, table_field, column_field)
if !connection.table_exists?(record[table_field])
record.errors.add(table_field, 'must be a valid table')
elsif !connection.column_exists?(record[table_field], record[column_field])
record.errors.add(column_field, 'must be a valid column')
end
end
def connection
ActiveRecord::Base.connection
end
end
end
end
end
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