Ctrl+C for linux or Ctrl+BREAK for windows is the mother of all features. STOP THE EXECUTION OF YOUR WRONG QUERY.
This is draw back from 2.51 version where the limit was 50 by default… and in 3.03 is 5000. Try not to do this on a dial-up connection 😎 . Or just edit your SQLyog.ini and add
LowLimit=0
HighLimit=50
or the values that suites you.
Thank you for your attention.