Re: Feature wish

2003-11-18 Thread Matt W
al Message - From: "Boehn, Gunnar von" Sent: Tuesday, November 18, 2003 4:23 AM Subject: Feature wish > Hi, > > I wonder if a small enhancement to the > mysql planner/optimizer could be made. > > > The current (mysql4.0) optimizer only uses one index per SELECT. &

Feature wish

2003-11-18 Thread Boehn, Gunnar von
Hi, I wonder if a small enhancement to the mysql planner/optimizer could be made. The current (mysql4.0) optimizer only uses one index per SELECT. Because of this some queries result in a slow fulltable scan even if all used columns are indexed. Example: SELECT * FROM table1 WHERE columnA='x' O