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author | Ryuta Kamizono <kamipo@gmail.com> | 2015-02-26 11:14:23 +0900 |
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committer | Ryuta Kamizono <kamipo@gmail.com> | 2015-03-01 00:32:34 +0900 |
commit | d2bf188bcf87b9dc8f6dda533aa8a24a18b2e166 (patch) | |
tree | 2767ab481a6da434467ac0c98352df69b3d75a7c /activerecord/test/cases/adapters/mysql | |
parent | 433d439b799be83ecafb4ebd0ed4c183fc28294c (diff) | |
download | rails-d2bf188bcf87b9dc8f6dda533aa8a24a18b2e166.tar.gz rails-d2bf188bcf87b9dc8f6dda533aa8a24a18b2e166.tar.bz2 rails-d2bf188bcf87b9dc8f6dda533aa8a24a18b2e166.zip |
Move `explain` into `AbstractMysqlAdapter`
Common methods in both mysql adapters are should be added to
`AbstractMysqlAdapter`, but some methods had been added to
`Mysql2Adapter`. (8744632f, 0306f82e, #14359)
Some methods already moved from `Mysql2Adapter` to
`AbstractMysqlAdapter`. (#17601, #17998)
Common methods in both mysql adapters are remaining only the `explain`
method in `Mysql2Adapter`.
Diffstat (limited to 'activerecord/test/cases/adapters/mysql')
-rw-r--r-- | activerecord/test/cases/adapters/mysql/explain_test.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql/explain_test.rb b/activerecord/test/cases/adapters/mysql/explain_test.rb new file mode 100644 index 0000000000..f75386abb9 --- /dev/null +++ b/activerecord/test/cases/adapters/mysql/explain_test.rb @@ -0,0 +1,27 @@ +require "cases/helper" +require 'models/developer' +require 'models/computer' + +module ActiveRecord + module ConnectionAdapters + class MysqlAdapter + 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 %r(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 %r(developers |.* const), explain + assert_match %(EXPLAIN for: SELECT `audit_logs`.* FROM `audit_logs` WHERE `audit_logs`.`developer_id` = 1), explain + assert_match %r(audit_logs |.* ALL), explain + end + end + end + end +end |