[improvement](show) Support that user can use show data skew statement instead of admin#7914

Merged

caiconghui merged 3 commits intoapache:masterfrom caiconghui:show_data_skew

Jan 29, 2022

+72-72

Commits on Jan 27, 2022

[improvement](show) Support that user can use show data skew statement instead of admin
caiconghui1
committed
fix ut failed
caiconghui1
committed

Commits on Jan 28, 2022

fix doc
caiconghui1
committed