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-rw-r--r--activerecord/lib/active_record/relation.rb50
1 files changed, 38 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 709edbee88..cef40be7ce 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -1,4 +1,5 @@
# -*- coding: utf-8 -*-
+require 'arel/collectors/bind'
module ActiveRecord
# = Active Record Relation
@@ -11,6 +12,7 @@ module ActiveRecord
SINGLE_VALUE_METHODS = [:limit, :offset, :lock, :readonly, :from, :reordering,
:reverse_order, :distinct, :create_with, :uniq]
+ INVALID_METHODS_FOR_DELETE_ALL = [:limit, :distinct, :offset, :group, :having]
VALUE_METHODS = MULTI_VALUE_METHODS + SINGLE_VALUE_METHODS
@@ -72,7 +74,14 @@ module ActiveRecord
def _update_record(values, id, id_was) # :nodoc:
substitutes, binds = substitute_values values
- um = @klass.unscoped.where(@klass.arel_table[@klass.primary_key].eq(id_was || id)).arel.compile_update(substitutes, @klass.primary_key)
+
+ scope = @klass.unscoped
+
+ if @klass.finder_needs_type_condition?
+ scope.unscope!(where: @klass.inheritance_column)
+ end
+
+ um = scope.where(@klass.arel_table[@klass.primary_key].eq(id_was || id)).arel.compile_update(substitutes, @klass.primary_key)
@klass.connection.update(
um,
@@ -223,6 +232,7 @@ module ActiveRecord
# Please see further details in the
# {Active Record Query Interface guide}[http://guides.rubyonrails.org/active_record_querying.html#running-explain].
def explain
+ #TODO: Fix for binds.
exec_explain(collecting_queries_for_explain { exec_queries })
end
@@ -323,7 +333,8 @@ module ActiveRecord
stmt.wheres = arel.constraints
end
- @klass.connection.update stmt, 'SQL', bind_values
+ bvs = bind_values + arel.bind_values
+ @klass.connection.update stmt, 'SQL', bvs
end
# Updates an object (or multiple objects) and saves it to the database, if validations pass.
@@ -427,12 +438,21 @@ module ActiveRecord
# If you need to destroy dependent associations or call your <tt>before_*</tt> or
# +after_destroy+ callbacks, use the +destroy_all+ method instead.
#
- # If a limit scope is supplied, +delete_all+ raises an ActiveRecord error:
+ # If an invalid method is supplied, +delete_all+ raises an ActiveRecord error:
#
# Post.limit(100).delete_all
- # # => ActiveRecord::ActiveRecordError: delete_all doesn't support limit scope
+ # # => ActiveRecord::ActiveRecordError: delete_all doesn't support limit
def delete_all(conditions = nil)
- raise ActiveRecordError.new("delete_all doesn't support limit scope") if self.limit_value
+ invalid_methods = INVALID_METHODS_FOR_DELETE_ALL.select { |method|
+ if MULTI_VALUE_METHODS.include?(method)
+ send("#{method}_values").any?
+ else
+ send("#{method}_value")
+ end
+ }
+ if invalid_methods.any?
+ raise ActiveRecordError.new("delete_all doesn't support #{invalid_methods.join(', ')}")
+ end
if conditions
where(conditions).delete_all
@@ -516,11 +536,11 @@ module ActiveRecord
find_with_associations { |rel| relation = rel }
end
- ast = relation.arel.ast
- binds = relation.bind_values.dup
- visitor.accept(ast) do
- connection.quote(*binds.shift.reverse)
- end
+ arel = relation.arel
+ binds = (arel.bind_values + relation.bind_values).dup
+ binds.map! { |bv| connection.quote(*bv.reverse) }
+ collect = visitor.accept(arel.ast, Arel::Collectors::Bind.new)
+ collect.substitute_binds(binds).join
end
end
@@ -537,7 +557,13 @@ module ActiveRecord
Hash[equalities.map { |where|
name = where.left.name
- [name, binds.fetch(name.to_s) { where.right }]
+ [name, binds.fetch(name.to_s) {
+ case where.right
+ when Array then where.right.map(&:val)
+ else
+ where.right.val
+ end
+ }]
}]
end
@@ -601,7 +627,7 @@ module ActiveRecord
private
def exec_queries
- @records = eager_loading? ? find_with_associations : @klass.find_by_sql(arel, bind_values)
+ @records = eager_loading? ? find_with_associations : @klass.find_by_sql(arel, arel.bind_values + bind_values)
preload = preload_values
preload += includes_values unless eager_loading?