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|
\set VERBOSITY terse
set client_min_messages = 'warning';
create server modcluster1 foreign data wrapper plproxy
options (
partition_0 'dbname=test_part0 host=localhost',
partition_1 'dbname=test_part1 host=localhost',
partition_2 'dbname=test_part2 host=localhost',
modular_mapping '1'
);
drop user if exists test_user_mod;
create user test_user_mod;
create user mapping for public server modcluster1 options (user 'test_user_mod');
grant usage on foreign server modcluster1 to test_user_mod;
create or replace function mod1_test(hash int) returns setof text as $$
cluster 'modcluster1';
run on hash;
select 'plproxy: user=' || current_user || ' dbname=' || current_database();
$$ language plproxy;
set session authorization test_user_mod;
select mod1_test(0);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part0
(1 row)
select mod1_test(1);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part1
(1 row)
select mod1_test(2);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part2
(1 row)
select mod1_test(3);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part0
(1 row)
select mod1_test(4);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part1
(1 row)
select mod1_test(-1);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part1
(1 row)
select mod1_test(-2);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part2
(1 row)
select mod1_test(-3);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part0
(1 row)
select mod1_test(-4);
mod1_test
-----------------------------------------------
plproxy: user=test_user_mod dbname=test_part1
(1 row)
reset session authorization;
|
