\set ECHO none
-- You should write your tests
SELECT jsonrpc.execute('
{
  "jsonrpc": "2.0",
  "method": "subtract",
  "params": {
    "minuend": 42,
    "subtrahend": 23
  },
  "id": 1
}
');
                    execute                     
------------------------------------------------
 {"id" : "1", "jsonrpc" : "2.0", "result" : 19}
(1 row)

SELECT jsonrpc.execute('
{
  "jsonrpc": "2.0",
  "method": "subtract",
  "params": {
    "subtrahend": 23,
    "minuend": 42
  },
  "id": 1
}
');
                    execute                     
------------------------------------------------
 {"id" : "1", "jsonrpc" : "2.0", "result" : 19}
(1 row)

SELECT jsonrpc.execute('
{
  "jsonrpc": "2.0",
  "method": "subtract",
  "params": {
    "minuend": 23,
    "subtrahend": 42
  },
  "id": 1
}
');
                     execute                     
-------------------------------------------------
 {"id" : "1", "jsonrpc" : "2.0", "result" : -19}
(1 row)

SELECT jsonrpc.execute('
{
  "jsonrpc": "2.0",
  "method": "subtract",
  "params": {
    "minuend": 23,
    "subtrahend": 42
  },
  "id": 1
}
');
                     execute                     
-------------------------------------------------
 {"id" : "1", "jsonrpc" : "2.0", "result" : -19}
(1 row)

ROLLBACK;