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| author | Dmitry Polushkin <dmitry.polushkin@gmail.com> | 2011-12-31 01:10:42 +0000 |
|---|---|---|
| committer | Dmitry Polushkin <dmitry.polushkin@gmail.com> | 2011-12-31 01:10:42 +0000 |
| commit | 04bc40ff501b1bf81bec7ce3937cb06c896ffc69 (patch) | |
| tree | 88a33663195900df8a7307aefa2c9aaa561c3973 /activerecord/test/cases/adapters/mysql2/explain_test.rb | |
| parent | 84eece0a823e9c601ea99a8709f24605a19bcbfd (diff) | |
| parent | ed17983ec56dec689a0311c7f8fcbeba9874e5a4 (diff) | |
| download | rails-04bc40ff501b1bf81bec7ce3937cb06c896ffc69.tar.gz rails-04bc40ff501b1bf81bec7ce3937cb06c896ffc69.tar.bz2 rails-04bc40ff501b1bf81bec7ce3937cb06c896ffc69.zip | |
Merge branch 'master' of git://github.com/rails/rails
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2/explain_test.rb')
| -rw-r--r-- | activerecord/test/cases/adapters/mysql2/explain_test.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/explain_test.rb b/activerecord/test/cases/adapters/mysql2/explain_test.rb new file mode 100644 index 0000000000..68ed361aeb --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/explain_test.rb @@ -0,0 +1,26 @@ +require "cases/helper" +require 'models/developer' + +module ActiveRecord + module ConnectionAdapters + class Mysql2Adapter + class ExplainTest < ActiveRecord::TestCase + fixtures :developers + + def test_explain_for_one_query + explain = Developer.where(:id => 1).explain + assert_match %(EXPLAIN for: SELECT `developers`.* FROM `developers` WHERE `developers`.`id` = 1), explain + assert_match %(developers | const), explain + end + + def test_explain_with_eager_loading + explain = Developer.where(:id => 1).includes(:audit_logs).explain + assert_match %(EXPLAIN for: SELECT `developers`.* FROM `developers` WHERE `developers`.`id` = 1), explain + assert_match %(developers | const), explain + assert_match %(EXPLAIN for: SELECT `audit_logs`.* FROM `audit_logs` WHERE `audit_logs`.`developer_id` IN (1)), explain + assert_match %(audit_logs | ALL), explain + end + end + end + end +end |