|
|
|
|
|
by kwillets
311 days ago
|
|
Another chapter of the slowly-reimplementing-Vertica saga. It's becoming clear that merge trees and compaction need to be addressed next, after delete vectors brought them onstage. Vertica will actually look up the equality keys in a relevant projection if it exists, and then use the column values in the matching rows to equality-delete from the other projections; it's fairly good at avoiding table scans. |
|
As an industry, we keep forgetting these things and reinventing the wheel because there is more money to be made squeezing enterprises than providing widely available sustainable software for a fair price and than losing mindshare to the next generation of tool and eventually getting sold for parts. It's a sad dynamic