expression: deep copy the string when setting user variable from Chunk (#11041)#11043

Merged

zz-jason merged 2 commits intopingcap:release-2.1from zz-jason:2.1-deepcopy-for-setvar

Jul 3, 2019

+45-1

Commits on Jul 3, 2019

expression: deep copy the string when setting user variable from Chunk (pingcap#11041 )
zz-jason
committed
Merge branch 'release-2.1' into 2.1-deepcopy-for-setvar
zz-jason
authored