infoschema: fix load drop database schema bug and refine db-table api error. (#11573)#11586

Merged

winkyao merged 1 commit intopingcap:release-2.1from crazycs520:11573-2.1

Aug 5, 2019

+28-8

Commits on Aug 2, 2019

infoschema: fix load drop database schema bug and refine db-table api error. (pingcap#11573 )
crazycs520
committed