On 1/3/16, Simon Slavin <slavins at bigfraud.org> wrote: > > On 3 Jan 2016, at 5:49pm, Richard Hipp <drh at sqlite.org> wrote: > >> /* Make sure every column of the PRIMARY KEY is NOT NULL. (Except, >> ** do not enforce this for imposter tables.) */ > > I've seen references to imposter tables in the SQLite comments. What is an > imposter table ? >
An undocumented and unsupported feature that allows two or tables in the schema to refer to the same b-tree. This is used by the RBU extension in order to update indexes and table independently of one another. -- D. Richard Hipp drh at sqlite.org
