54 lines
2.3 KiB
Ruby
54 lines
2.3 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2011 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module ActiveRecord
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class Base
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def self.find_ids(options={})
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find_ids_with_associations(options)
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end
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end
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module Associations
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module ClassMethods
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def find_ids_with_associations(options = {})
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catch :invalid_query do
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join_dependency = ActiveRecord::Associations::ClassMethods::JoinDependency.new(self, merge_includes(scope(:find, :include), options[:include]), options[:joins])
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return connection.select_values(construct_ids_finder_sql_with_included_associations(options, join_dependency)).map(&:to_i)
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end
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[]
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end
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def construct_ids_finder_sql_with_included_associations(options, join_dependency)
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scope = scope(:find)
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sql = "SELECT #{table_name}.id FROM #{(scope && scope[:from]) || options[:from] || quoted_table_name} "
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sql << join_dependency.join_associations.collect{|join| join.association_join }.join
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add_joins!(sql, options[:joins], scope)
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add_conditions!(sql, options[:conditions], scope)
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add_limited_ids_condition!(sql, options, join_dependency) if !using_limitable_reflections?(join_dependency.reflections) && ((scope && scope[:limit]) || options[:limit])
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add_group!(sql, options[:group], options[:having], scope)
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add_order!(sql, options[:order], scope)
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add_limit!(sql, options, scope) if using_limitable_reflections?(join_dependency.reflections)
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add_lock!(sql, options, scope)
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return sanitize_sql(sql)
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end
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end
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end
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end
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