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author | Emilio Tagua <miloops@gmail.com> | 2009-04-24 21:48:45 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2009-04-24 21:48:45 -0300 |
commit | 090539604b7685d838302c1773520622d87bd3d7 (patch) | |
tree | 20d5c72838ab239e7eb67038467016af6848a7df /activerecord/lib/active_record | |
parent | 0e113a040d934958ce3805ce6cda73c655def444 (diff) | |
download | rails-090539604b7685d838302c1773520622d87bd3d7.tar.gz rails-090539604b7685d838302c1773520622d87bd3d7.tar.bz2 rails-090539604b7685d838302c1773520622d87bd3d7.zip |
construct_finder_sql now use Arel
Diffstat (limited to 'activerecord/lib/active_record')
-rwxr-xr-x | activerecord/lib/active_record/base.rb | 107 | ||||
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql_adapter.rb | 2 | ||||
-rw-r--r-- | activerecord/lib/active_record/test_case.rb | 2 |
3 files changed, 88 insertions, 23 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 97c36a675d..8bf92de6d4 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -390,7 +390,7 @@ module ActiveRecord #:nodoc: # So it's possible to assign a logger to the class through <tt>Base.logger=</tt> which will then be used by all # instances in the current object space. class Base - ## + ## # :singleton-method: # Accepts a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class, which is then passed # on to any new database connections made and which can be retrieved on both a class and instance level by calling +logger+. @@ -424,11 +424,11 @@ module ActiveRecord #:nodoc: # as a Hash. # # For example, the following database.yml... - # + # # development: # adapter: sqlite3 # database: db/development.sqlite3 - # + # # production: # adapter: sqlite3 # database: db/production.sqlite3 @@ -1351,7 +1351,7 @@ module ActiveRecord #:nodoc: def self_and_descendants_from_active_record#nodoc: klass = self classes = [klass] - while klass != klass.base_class + while klass != klass.base_class classes << klass = klass.superclass end classes @@ -1385,7 +1385,7 @@ module ActiveRecord #:nodoc: def human_name(options = {}) defaults = self_and_descendants_from_active_record.map do |klass| :"#{klass.name.underscore}" - end + end defaults << self.name.humanize I18n.translate(defaults.shift, {:scope => [:activerecord, :models], :count => 1, :default => defaults}.merge(options)) end @@ -1689,20 +1689,85 @@ module ActiveRecord #:nodoc: def construct_finder_sql(options) scope = scope(:find) - sql = "SELECT #{options[:select] || (scope && scope[:select]) || default_select(options[:joins] || (scope && scope[:joins]))} " - sql << "FROM #{options[:from] || (scope && scope[:from]) || quoted_table_name} " - add_joins!(sql, options[:joins], scope) - add_conditions!(sql, options[:conditions], scope) + # TODO add lock to Arel + Arel(table_name). + join(construct_join(options[:joins], scope)). + where(construct_conditions(options[:conditions], scope)). + project(options[:select] || (scope && scope[:select]) || default_select(options[:joins] || (scope && scope[:joins]))). + group(construct_group(options[:group], options[:having], scope)). + order(construct_order(options[:order], scope)). + take(construct_limit(options, scope)). + skip(construct_offset(options, scope) + ).to_sql + end - add_group!(sql, options[:group], options[:having], scope) - add_order!(sql, options[:order], scope) - add_limit!(sql, options, scope) - add_lock!(sql, options, scope) + def construct_join(joins, scope = :auto) + scope = scope(:find) if :auto == scope + merged_joins = scope && scope[:joins] && joins ? merge_joins(scope[:joins], joins) : (joins || scope && scope[:joins]) + case merged_joins + when Symbol, Hash, Array + if array_of_strings?(merged_joins) + merged_joins.join(' ') + " " + else + join_dependency = ActiveRecord::Associations::ClassMethods::InnerJoinDependency.new(self, merged_joins, nil) + " #{join_dependency.join_associations.collect { |assoc| assoc.association_join }.join} " + end + when String + " #{merged_joins} " + end + end + + def construct_group(group, having, scope = :auto) + sql = '' + if group + sql << group.to_s + sql << " HAVING #{sanitize_sql_for_conditions(having)}" if having + else + scope = scope(:find) if :auto == scope + if scope && (scoped_group = scope[:group]) + sql << scoped_group.to_s + sql << " HAVING #{sanitize_sql_for_conditions(scope[:having])}" if scope[:having] + end + end + sql + end + def construct_order(order, scope = :auto) + sql = '' + scope = scope(:find) if :auto == scope + scoped_order = scope[:order] if scope + if order + sql << order.to_s + if scoped_order && scoped_order != order + sql << ", #{scoped_order}" + end + else + sql << scoped_order.to_s if scoped_order + end sql end + def construct_limit(options, scope = :auto) + scope = scope(:find) if :auto == scope + options[:limit] ||= scope[:limit] if scope + options[:limit] + end + + def construct_offset(options, scope = :auto) + scope = scope(:find) if :auto == scope + options[:offset] ||= scope[:offset] if scope + options[:offset] + end + + def construct_conditions(conditions, scope = :auto) + scope = scope(:find) if :auto == scope + conditions = [conditions] + conditions << scope[:conditions] if scope + conditions << type_condition if finder_needs_type_condition? + merge_conditions(*conditions) + end + # Merges includes so that the result is a valid +include+ def merge_includes(first, second) (safe_to_array(first) + safe_to_array(second)).uniq @@ -1958,7 +2023,7 @@ module ActiveRecord #:nodoc: attributes = construct_attributes_from_arguments( # attributes = construct_attributes_from_arguments( [:#{attribute_names.join(',:')}], args # [:user_name, :password], args ) # ) - # + # scoped(:conditions => attributes) # scoped(:conditions => attributes) end # end }, __FILE__, __LINE__ @@ -2478,7 +2543,7 @@ module ActiveRecord #:nodoc: # name # end # end - # + # # user = User.find_by_name('Phusion') # user_path(user) # => "/users/Phusion" def to_param @@ -2533,12 +2598,12 @@ module ActiveRecord #:nodoc: # If +perform_validation+ is true validations run. If any of them fail # the action is cancelled and +save+ returns +false+. If the flag is # false validations are bypassed altogether. See - # ActiveRecord::Validations for more information. + # ActiveRecord::Validations for more information. # # There's a series of callbacks associated with +save+. If any of the # <tt>before_*</tt> callbacks return +false+ the action is cancelled and # +save+ returns +false+. See ActiveRecord::Callbacks for further - # details. + # details. def save create_or_update end @@ -2550,12 +2615,12 @@ module ActiveRecord #:nodoc: # # With <tt>save!</tt> validations always run. If any of them fail # ActiveRecord::RecordInvalid gets raised. See ActiveRecord::Validations - # for more information. + # for more information. # # There's a series of callbacks associated with <tt>save!</tt>. If any of # the <tt>before_*</tt> callbacks return +false+ the action is cancelled # and <tt>save!</tt> raises ActiveRecord::RecordNotSaved. See - # ActiveRecord::Callbacks for further details. + # ActiveRecord::Callbacks for further details. def save! create_or_update || raise(RecordNotSaved) end @@ -2726,12 +2791,12 @@ module ActiveRecord #:nodoc: # class User < ActiveRecord::Base # attr_protected :is_admin # end - # + # # user = User.new # user.attributes = { :username => 'Phusion', :is_admin => true } # user.username # => "Phusion" # user.is_admin? # => false - # + # # user.send(:attributes=, { :username => 'Phusion', :is_admin => true }, false) # user.is_admin? # => true def attributes=(new_attributes, guard_protected_attributes = true) diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 9300df28ee..8d8df7dece 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -211,7 +211,7 @@ module ActiveRecord def supports_migrations? #:nodoc: true end - + def supports_savepoints? #:nodoc: true end diff --git a/activerecord/lib/active_record/test_case.rb b/activerecord/lib/active_record/test_case.rb index 8c6abaaccb..b790eb4343 100644 --- a/activerecord/lib/active_record/test_case.rb +++ b/activerecord/lib/active_record/test_case.rb @@ -20,7 +20,7 @@ module ActiveRecord patterns_to_match.each do |pattern| failed_patterns << pattern unless $queries_executed.any?{ |sql| pattern === sql } end - assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map(&:inspect).join(', ')} not found." + assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map(&:inspect).join(', ')} not found in #{$queries_executed}" end def assert_queries(num = 1) |