1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
-- misc_utils.sql --
--
-- SQL code to define misc functions.
--
-- Copyright (c) 1998, Massimo Dal Zotto <dz@cs.unitn.it>
--
-- This file is distributed under the GNU General Public License
-- either version 2, or (at your option) any later version.
-- Return the pid of the backend.
--
create function backend_pid() returns int4
as 'MODULE_PATHNAME'
language 'C';
-- Unlisten from a relation.
--
create function "unlisten"(name) returns int4
as 'MODULE_PATHNAME'
language 'C';
-- Unlisten from all relations for this backend.
--
create function "unlisten"() returns int4
as 'select "unlisten"(''*'')'
language 'sql';
-- min(x,y)
--
create function min(int4,int4) returns int4
as 'MODULE_PATHNAME'
language 'C';
-- max(x,y)
--
create function max(int4,int4) returns int4
as 'MODULE_PATHNAME'
language 'C';
-- Return the number of active listeners on a relation
--
create function active_listeners(text) returns int4
as 'MODULE_PATHNAME'
language 'C';
-- end of file
|
