sql: enable adding columns which are not written to the current primary index#66599

Merged

craig[bot] merged 2 commits intocockroachdb:masterfrom postamar:primary-index-store-columns-index-format

Jun 22, 2021

+1,454-967

Commits on Jun 22, 2021

sql,tabledesc: add new IndexDescriptorVersion for primary indexes
Marius Posta
committed
row,schemachanger: use StoreColumnIDs/Names in primary index
Marius Posta
committed