citus/src/test/regress/expected/escape_extension_name_0.out

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CREATE SCHEMA "extension'test";
-- use a schema name with escape character
SET search_path TO "extension'test";
-- test if citus can escape the extension name
-- this output will help us to understand why we have alternative outputs for this test
-- print true if uuid-ossp is available false otherwise
SELECT CASE WHEN COUNT(*) > 0
THEN 'CREATE EXTENSION "uuid-ossp"'
ELSE 'SELECT false AS uuid_ossp_present'
END AS uuid_present_command
FROM pg_available_extensions()
WHERE name = 'uuid-ossp'
\gset
:uuid_present_command;
uuid_ossp_present
---------------------------------------------------------------------
f
(1 row)
-- show that the extension is created on both nodes
SELECT run_command_on_workers($$SELECT count(*) FROM pg_extension WHERE extname = 'uuid-ossp'$$);
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)
SET client_min_messages TO WARNING;
DROP EXTENSION "uuid-ossp";
ERROR: extension "uuid-ossp" does not exist
RESET client_min_messages;
-- show that the extension is dropped from both nodes
SELECT run_command_on_workers($$SELECT count(*) FROM pg_extension WHERE extname = 'uuid-ossp'$$);
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)
-- show that extension recreation on new nodes works also fine with extension names that require escaping
SELECT 1 from master_remove_node('localhost', :worker_2_port);
?column?
---------------------------------------------------------------------
1
(1 row)
-- this output will help us to understand why we have alternative outputs for this test
-- print true if uuid-ossp is available false otherwise
SELECT CASE WHEN COUNT(*) > 0
THEN 'CREATE EXTENSION "uuid-ossp"'
ELSE 'SELECT false AS uuid_ossp_present'
END AS uuid_present_command
FROM pg_available_extensions()
WHERE name = 'uuid-ossp'
\gset
:uuid_present_command;
uuid_ossp_present
---------------------------------------------------------------------
f
(1 row)
-- and add the other node
SELECT 1 from master_add_node('localhost', :worker_2_port);
?column?
---------------------------------------------------------------------
1
(1 row)
-- show that the extension exists on both nodes
SELECT run_command_on_workers($$SELECT count(*) FROM pg_extension WHERE extname = 'uuid-ossp'$$);
run_command_on_workers
---------------------------------------------------------------------
(localhost,57637,t,0)
(localhost,57638,t,0)
(2 rows)
SET client_min_messages TO WARNING;
DROP EXTENSION "uuid-ossp";
ERROR: extension "uuid-ossp" does not exist
RESET client_min_messages;
-- drop the schema and all the objects
SET client_min_messages TO WARNING;
DROP SCHEMA "extension'test" CASCADE;