diff options
4 files changed, 24 insertions, 12 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index d52c2f711e..d6044988f0 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,9 @@ +* Add support for `Relation` be passed as parameter on `QueryCache#select_all`. + + Fixes #14361. + + *arthurnn* + * Passing an Active Record object to `find` is now deprecated. Call `.id` on the object first. diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 6eb59cc398..dd1962e4d6 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -20,14 +20,7 @@ module ActiveRecord # Returns an ActiveRecord::Result instance. def select_all(arel, name = nil, binds = []) - if arel.is_a?(Relation) - relation = arel - arel = relation.arel - if !binds || binds.empty? - binds = relation.bind_values - end - end - + arel, binds = binds_from_relation arel, binds select(to_sql(arel, binds), name, binds) end @@ -47,10 +40,7 @@ module ActiveRecord # Returns an array of the values of the first column in a select: # select_values("SELECT id FROM companies LIMIT 3") => [1,2,3] def select_values(arel, name = nil) - binds = [] - if arel.is_a?(Relation) - arel, binds = arel.arel, arel.bind_values - end + arel, binds = binds_from_relation arel select_rows(to_sql(arel, binds), name, binds).map(&:first) end @@ -389,6 +379,13 @@ module ActiveRecord row = result.rows.first row && row.first end + + def binds_from_relation(relation, binds = []) + if relation.is_a?(Relation) && binds.blank? + relation, binds = relation.arel, relation.bind_values + end + [relation, binds] + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb index adc23a6674..4a4506c7f5 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb @@ -63,6 +63,7 @@ module ActiveRecord def select_all(arel, name = nil, binds = []) if @query_cache_enabled && !locked?(arel) + arel, binds = binds_from_relation arel, binds sql = to_sql(arel, binds) cache_sql(sql, binds) { super(sql, name, binds) } else diff --git a/activerecord/test/cases/query_cache_test.rb b/activerecord/test/cases/query_cache_test.rb index da8ae672fe..9d89d6a1e8 100644 --- a/activerecord/test/cases/query_cache_test.rb +++ b/activerecord/test/cases/query_cache_test.rb @@ -118,6 +118,14 @@ class QueryCacheTest < ActiveRecord::TestCase assert ActiveRecord::Base.connection.query_cache.empty?, 'cache should be empty' end + def test_cache_passing_a_relation + post = Post.first + Post.cache do + query = post.categories.select(:post_id) + assert Post.connection.select_all(query).is_a?(ActiveRecord::Result) + end + end + def test_find_queries assert_queries(2) { Task.find(1); Task.find(1) } end |