* rename strategy
* Update pkg/tsdb/sqleng/sql_engine.go
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
* more strict constraints
* Fixed so that it works on multi series results
* only apply the logic when original query returns 3 fields
* removed part of comment
* Update mysql test
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
(cherry picked from commit 1d6e99bc95)
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>