A render's cache tags, as the one string a page row carries.
[] rather than NULL for a page that declares none, so a scoped purge can tell "depends on nothing" from "stored before the column existed" (only the latter is unsafe to scope against).
[]
A render's cache tags, as the one string a page row carries.
[]rather than NULL for a page that declares none, so a scoped purge can tell "depends on nothing" from "stored before the column existed" (only the latter is unsafe to scope against).