Add pg_depend.refobjversion.
Provide a place for the version of referenced database objects to be
recorded. A follow-up commit will use this to record dependencies on
collation versions for indexes, but similar ideas for other kinds of
objects have also been mooted.
Author: Thomas Munro <
[email protected]>
Reviewed-by: Julien Rouhaud <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/CAEepm%3D0uEQCpfq_%2BLYFBdArCe4Ot98t1aR4eYiYTe%3DyavQygiQ%40mail.gmail.com