title: How does "deterministic" affect how MySQL executes a defined function?
body: <p>MySQL has to know the deterministic of a defined function, official document says:</p>
  
  <blockquote>
    <p>Several characteristics provide information about the nature of data use by the routine. In MySQL, these characteristics are advisory only.</p>
  </blockquote>
  
  <p>Does that mean deterministic of a function does not affect how the function is executed?</p>