Those aren’t the project docs, they’re datastax’s docs, but that line makes no sense.
I assume they meant that once a column reaches its TTL it is treated as a tombstone. That’s per column and not the entire table. -- Jeff Jirsa > On Feb 1, 2019, at 1:47 AM, Enrico Cavallin <cavallin.enr...@gmail.com> wrote: > > Hi all, > I cannot understand what this statement means: > > <<Use CREATE TABLE or ALTER TABLE to define the default_time_to_live property > for all columns in a table. If any column exceeds TTL, the entire table is > tombstoned.>> > > in https://docs.datastax.com/en/dse/6.7/cql/cql/cql_using/useExpire.html > > I have already done some tests with TTL set on columns, rows and default on > table and all seems in line with the logic: an already written row/value > maintains its TTL unless updated; a new default_ttl will not change TTL on > already existing rows. > What do they mean with "If any column exceeds TTL, the entire table is > tombstoned" ? > > Thank you, > Enrico