title: Why this stored procedure return an empty result?
body: <p>I have a stored procedure that it works correctly on localhost but when i tried to execute that on my vps server, i give an empty result.</p>
  
  <pre><code>CREATE PROCEDURE `sp_contest_selectContestId`(
  IN _uniquetitle VARCHAR(300))
  BEGIN
      SELECT `id`
      FROM `contest`
      WHERE 
          `uniquetitle` = _uniquetitle
      LIMIT 0, 1
  ;END
  </code></pre>
  
  <p>When i use this part without using procedure with the same data to test, i have not any problem:</p>
  
  <pre><code>SELECT `id`
  FROM `contest`
  WHERE 
      `uniquetitle` = _uniquetitle
  LIMIT 0, 1
  </code></pre>