hi community,
since we already have many rmdb sqls scripts,we don't want to change them too
much when migrating to carbon.
suppose we already have sql script like:
"create table (c1,c2,...c7")",
If we want to change column order to shift most often used column ahead when
query data,i think it's better change it this way like:
"create table(c1,c2,c7,c4..c6,c3)
rather
"create table(c1...c7) tblproperties('sort_columns' = 'c7,c3')"
because the former way just reordering columns without adding extra
settings,which is more readable to thos who is familiar with rmdb but not with
carbon.
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