expression: do not set ParseToJSONFlag to a JSON column#8564

Merged

XuHuaiyu merged 7 commits intopingcap:masterfrom XuHuaiyu:copy_jsonflag

Dec 12, 2018

+19-8

Commits on Dec 4, 2018

Commits on Dec 11, 2018

test
XuHuaiyu
committed