On Wed, Nov 22, 2023 at 11:09 AM Laurenz Albe <laurenz.a...@cybertec.at> wrote:
> On Wed, 2023-11-22 at 16:41 +0100, Hans Schou wrote: > > Similar to pg_get_viewdef() and pg_get_functiondef() it would be useful > with a pg_get_tabledef() to get a full description of how a table is > defined. > > This has been requested before: > > https://www.postgresql.org/message-id/flat/CAFEN2wxsDSSuOvrU03CE33ZphVLqtyh9viPp6huODCDx2UQkYA%40mail.gmail.com > > One of the problems is what should be included. > Indexes? Policies? Constraints? > > Another problem is that while a function or view definition is a single > SQL statement, a table definition could consist of more than a single > statement, depending on the answer to the previous question. > > No unsurmountable questions, but someone would have to come up with a > clear design and implement it. > Because you can already get all the other DDL relevant to creating a table (like indices, primary and foreign keys, grants), ISTM that just a plain CREATE TABLE with column DEFAULT clauses is what pg_get_tabledef() should create. A comprehensive "recreate everything related to a table" function should be left as an exercise for the DBA.
