Quite so. The heuristic is only used if, as in this case, both indexes are either covering or non-covering. More completely: [](http://www.sqlite.org/src/artifact/2ea911238674e?ln=1956-1960)
Quite so. The heuristic is only used if, as in this case, both indexes are either covering or non-covering. More completely: [](http://www.sqlite.org/src/artifact/2ea911238674e?ln=1956-1960)