-- create extension
SET client_min_messages TO 'error'; 
DROP EXTENSION IF EXISTS polar_parameter_check;
RESET client_min_messages;
CREATE EXTENSION polar_parameter_check;
-- name check
-- positive case
select * from polar_parameter_name_check('enable_hashjoin');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_name_check('max_connections');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_name_check('synchronous_standby_names');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_name_check('wal_level');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_name_check('.');
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_name_check('xxxx');
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_name_check('0');
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_name_check('');
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_name_check(NULL);
 parameter_valid 
-----------------
 f
(1 row)

-- value check
-- test grammar valid case
-- 1. PGC_BOOL
-- positive case
select * from polar_parameter_value_check('enable_hashjoin', 'true');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', 'false');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', '0');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', 'on');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', 'off');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('enable_hashjoin', 'xx');
WARNING:  parameter "enable_hashjoin" requires a Boolean value
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', '2');
WARNING:  parameter "enable_hashjoin" requires a Boolean value
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', '..');
WARNING:  parameter "enable_hashjoin" requires a Boolean value
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('enable_hashjoin', '-1');
WARNING:  parameter "enable_hashjoin" requires a Boolean value
 parameter_valid 
-----------------
 f
(1 row)

-- 2. PGC_INT
-- positive case
select * from polar_parameter_value_check('max_connections', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '2');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '10');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '100');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '100000');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('max_connections', '0');
WARNING:  0 is outside the valid range for parameter "max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('max_connections', '9999999');
WARNING:  9999999 is outside the valid range for parameter "max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('max_connections', '-1');
WARNING:  -1 is outside the valid range for parameter "max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('max_connections', 'xx');
WARNING:  invalid value for parameter "max_connections": "xx"
 parameter_valid 
-----------------
 f
(1 row)

-- 3. PGC_REAL
-- positive case
select * from polar_parameter_value_check('jit_above_cost', '1.0');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('jit_above_cost', '3.14');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('jit_above_cost', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('jit_above_cost', '20.9');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('jit_above_cost', 'xx');
WARNING:  parameter "jit_above_cost" requires a numeric value
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('jit_above_cost', 'test_case');
WARNING:  parameter "jit_above_cost" requires a numeric value
 parameter_valid 
-----------------
 f
(1 row)

-- 4. PGC_STRING
-- positive case
select * from polar_parameter_value_check('synchronous_standby_names', 'xxx');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('synchronous_standby_names', '123');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('synchronous_standby_names', '_standby');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('synchronous_standby_names', 'WhUhKhSn');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('log_line_prefix', '%m [%p]');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('log_line_prefix', 'xxxxx');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('log_line_prefix', '%s');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('TimeZone', 'GMT');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('TimeZone', 'America/Atikokan');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('TimeZone', 'Europe/Dublin');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('TimeZone', 'Asia/Jerusalem');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('TimeZone', 'xxxx');
WARNING:  invalid value for parameter "TimeZone": "xxxx"
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('TimeZone', 'beijing');
WARNING:  invalid value for parameter "TimeZone": "beijing"
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('TimeZone', '090909');
WARNING:  invalid value for parameter "TimeZone": "090909"
DETAIL:  UTC timezone offset is out of range.
 parameter_valid 
-----------------
 f
(1 row)

-- 5. PGC_ENUM
-- positive case
select * from polar_parameter_value_check('backslash_quote', 'safe_encoding');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'on');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'off');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'true');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'false');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('backslash_quote', '2');
WARNING:  invalid value for parameter "backslash_quote": "2"
HINT:  Available values: safe_encoding, on, off.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'xx');
WARNING:  invalid value for parameter "backslash_quote": "xx"
HINT:  Available values: safe_encoding, on, off.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('backslash_quote', '234');
WARNING:  invalid value for parameter "backslash_quote": "234"
HINT:  Available values: safe_encoding, on, off.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('backslash_quote', '.');
WARNING:  invalid value for parameter "backslash_quote": "."
HINT:  Available values: safe_encoding, on, off.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('backslash_quote', 'yueo');
WARNING:  invalid value for parameter "backslash_quote": "yueo"
HINT:  Available values: safe_encoding, on, off.
 parameter_valid 
-----------------
 f
(1 row)

-- positive case
select * from polar_parameter_value_check('wal_level', 'minimal');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('wal_level', 'replica');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('wal_level', 'archive');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('wal_level', 'hot_standby');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('wal_level', 'logical');
 parameter_valid 
-----------------
 t
(1 row)

-- negetive case
select * from polar_parameter_value_check('wal_level', '0');
WARNING:  invalid value for parameter "wal_level": "0"
HINT:  Available values: minimal, replica, logical.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('wal_level', 'x');
WARNING:  invalid value for parameter "wal_level": "x"
HINT:  Available values: minimal, replica, logical.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('wal_level', '234');
WARNING:  invalid value for parameter "wal_level": "234"
HINT:  Available values: minimal, replica, logical.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('wal_level', '.');
WARNING:  invalid value for parameter "wal_level": "."
HINT:  Available values: minimal, replica, logical.
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('wal_level', 'yueo');
WARNING:  invalid value for parameter "wal_level": "yueo"
HINT:  Available values: minimal, replica, logical.
 parameter_valid 
-----------------
 f
(1 row)

-- 6. nonexistent variable
select * from polar_parameter_value_check('abc', 'true');
ERROR:  unrecognized configuration parameter "abc"
select * from polar_parameter_value_check('123', 'false');
ERROR:  unrecognized configuration parameter "123"
-- test poar_ or rds_ case
select * from polar_parameter_value_check('max_connections', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('polar_max_connections', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('rds_max_connections', '1');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '9999');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('polar_max_connections', '9999');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('rds_max_connections', '9999');
 parameter_valid 
-----------------
 t
(1 row)

select * from polar_parameter_value_check('max_connections', '1000000000');
WARNING:  1000000000 is outside the valid range for parameter "max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('polar_max_connections', '1000000000');
WARNING:  1000000000 is outside the valid range for parameter "polar_max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('rds_max_connections', '1000000000');
WARNING:  1000000000 is outside the valid range for parameter "rds_max_connections" (1 .. 262143)
 parameter_valid 
-----------------
 f
(1 row)

-- test grammar invalid case
select * from polar_parameter_value_check('max_connections', 1111);
ERROR:  function polar_parameter_value_check(unknown, integer) does not exist
LINE 1: select * from polar_parameter_value_check('max_connections',...
                      ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
select * from polar_parameter_value_check('max_connections', 123);
ERROR:  function polar_parameter_value_check(unknown, integer) does not exist
LINE 1: select * from polar_parameter_value_check('max_connections',...
                      ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
select * from polar_parameter_value_check(123, 'xx');
ERROR:  function polar_parameter_value_check(integer, unknown) does not exist
LINE 1: select * from polar_parameter_value_check(123, 'xx');
                      ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
select * from polar_parameter_value_check(123, 123);
ERROR:  function polar_parameter_value_check(integer, integer) does not exist
LINE 1: select * from polar_parameter_value_check(123, 123);
                      ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
-- test special case
select * from polar_parameter_value_check('max_connections', NULL);
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check(NULL, NULL);
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check(NULL, '1');
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('max_connections', '');
WARNING:  invalid value for parameter "max_connections": ""
 parameter_valid 
-----------------
 f
(1 row)

select * from polar_parameter_value_check('', '1');
ERROR:  unrecognized configuration parameter ""
select * from polar_parameter_value_check('', '');
ERROR:  unrecognized configuration parameter ""