ddl: prohibit modification decimal precision to avoid inconsistency problem (#10433)#10458

Merged

winkyao merged 1 commit intopingcap:release-2.1from crazycs520:10433-2.1

May 14, 2019

+16

Commits on May 14, 2019

ddl: prohibit modification decimal precision to avoid inconsistency problem (pingcap#10433 )
crazycs520
committed