reference/performance: add a use case for SPM evolve explanation (#2327)
reference/performance: add a use case for SPM evolve explanation (#2327)

* reference/performance: add a use case for SPM evolement explanation

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* Update reference/performance/execution-plan-bind.md

Co-Authored-By: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>

* reference: trigger the CI check

Co-authored-by: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>
Co-authored-by: Lilian Lee <c684465c17314189c18707959627e2ec4fdec2d0@pingcap.com>
pingcap/docs,pingcap/docs,pingcap/docs