Hi, Igor! Am 29.12.2017 um 01:47 schrieb IgorBabaev:

revision-id: de215264682a9f3291ca028fb3ae052ecb191ca3 (mariadb-10.3.3-4-gde21526) parent(s): 7a66e0ab8f52f3bd32850463daa05f9a2401e6b1 author: Igor Babaev committer: Igor Babaev timestamp: 2017-12-28 16:47:25 -0800 message:

This is a full cost-based implementation of the optimization that employs splitting technique for equi-joins of materialized derived tables/views/CTEs. (see mdev-13369 and mdev-13389).

I have to make special mention of really good description. As we agreed OK to push after adding test of double execution. [skip]