[FLASH-617] Make cast when applying DDL#328

Merged

JaySon-Huang merged 4 commits intopingcap:DeltaMergeEnginefrom leiysky:enhance/ddl-default-value-cast

Nov 25, 2019

+105-105

Commits on Nov 22, 2019

make cast when applying DDL
leiysky
committed

Commits on Nov 25, 2019