On 12/30/2013 01:22 AM, Sergey Konoplev wrote:
On Sun, Dec 29, 2013 at 8:44 AM, knizhnik knizh...@garret.ru wrote:
create function volume(r base_table) returns integer as $$ begin return
r.x*r.y; end; $$ language plpgsql strict stable;
create function volume(r derived_table) returns integer as
On Mon, Dec 30, 2013 at 2:03 AM, knizhnik knizh...@garret.ru wrote:
On 12/30/2013 01:22 AM, Sergey Konoplev wrote:
On Sun, Dec 29, 2013 at 8:44 AM, knizhnik knizh...@garret.ru wrote:
But passing direved_table type instead of base_table type to volume()
function for record belonging to
Is there any chance to implement polymorphic calls in PostgreSQL?
Consider the following definitions:
create table base_table (x integer, y integer);
create table derived_table (z integer) inherits (base_table);
create function volume(r base_table) returns integer as $$ begin return
r.x*r.y;
On Sun, Dec 29, 2013 at 8:44 AM, knizhnik knizh...@garret.ru wrote:
create function volume(r base_table) returns integer as $$ begin return
r.x*r.y; end; $$ language plpgsql strict stable;
create function volume(r derived_table) returns integer as $$ begin return
r.x*r.y*r.z; end; $$ language
