[SPARK-17642] [SQL] support DESC EXTENDED/FORMATTED table column commands#16422

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wzhfy wants to merge 13 commits intoapache:masterfrom

wzhfy:descColumn

Commits on Jun 24, 2017

support desc table column

wzhfy
authored and
wangzhenhua
committed
upper case for command keywords

wzhfy
authored and
wangzhenhua
committed
fix test

wzhfy
authored and
wangzhenhua
committed
minor improve

wzhfy
authored and
wangzhenhua
committed
1. change sql syntax to support complex name but not nested column; 2. use catalogString instead of simpleString
wangzhenhua
committed

Commits on Jul 5, 2017

Merge branch 'master' into descColumn
wangzhenhua
committed

Commits on Jul 7, 2017

Commits on Jul 8, 2017

keep LogicalPlan unchanged and make extended/formatted identical
Zhenhua Wang
committed
also change comment
Zhenhua Wang
committed

Commits on Sep 8, 2017

new output format
Zhenhua Wang
committed

Commits on Sep 10, 2017

fix comment
wzhfy
committed
fix test print
wzhfy
committed