useSortingIdx    11818 ext/sqlite3/libsqlite/sqlite3.c   u8 useSortingIdx;       /* In direct mode, reference the sorting index rather
useSortingIdx    85407 ext/sqlite3/libsqlite/sqlite3.c       }else if( pAggInfo->useSortingIdx ){
useSortingIdx    111685 ext/sqlite3/libsqlite/sqlite3.c         sAggInfo.useSortingIdx = 1;