po 2. 3. 2020 v 19:59 odesÃlatel stan <st...@panix.com> napsal: > I need to implement a fairly fine grained security model. Probably a bit > finer that I can do with the standard ownership functionality. > > My thinking on this is to create a table that contains the users, and a > "permission bit" for each function that they may want to do, vis a vi > altering an existing row,or rows, or inserting new rows. > > Looks relatively straight forward, if fairly time consuming to do. But I > would need to know which column(s) a given query would add..alter from the > function to implement this via a trigger. looks like I see most of what I > need t do this in the docs, but I can't quite figure out if I can get this > down to what column(s) a given trigger will modify. Is this possible? >
You can compare NEW and OLD record. It is pretty hard in PLpgSQL, but easy with hstore or jsonb, or with PLPerl or PLPythonu Regards Pavel > > > -- > "They that would give up essential liberty for temporary safety deserve > neither liberty nor safety." > -- Benjamin Franklin > > >
