ddl: fix panic when add index of generated column. (#8620)#8676

Merged

zimulala merged 6 commits intopingcap:release-2.1from crazycs520:8620-2.1

Dec 18, 2018

+86-118

Commits on Dec 13, 2018

admin: refine admin check decoder (pingcap#7862 )
crazycs520
committed
ddl: fix panic when add index of generated column. (pingcap#8620 )

winkyao
authored and
crazycs520
committed