ddl: support altering the other charset to utf8 or utf8mb4 (#8037)#8951

Merged

jackysp merged 3 commits intopingcap:release-2.1from crazycs520:8037-2.1

Jan 7, 2019

+322-24

Commits on Jan 5, 2019

ddl: support altering the other charset to utf8 or utf8mb4 (pingcap#8037 )

winkyao
authored and
crazycs520
committed
fix error check
crazycs520
committed

Commits on Jan 7, 2019

update go.mod parser
crazycs520
committed