SQLite

    if( iTermLe>=0 ){
      idxNum |= FTS5_VOCAB_TERM_LE;
      pInfo->aConstraintUsage[iTermLe].argvIndex = ++nArg;
      pInfo->estimatedCost = pInfo->estimatedCost / 2;
    }
  }

  /* This virtual table always delivers results in ascending order of
  ** the "term" column (column 0). So if the user has requested this
  ** specifically - "ORDER BY term" or "ORDER BY term ASC" - set the
  ** sqlite3_index_info.orderByConsumed flag to tell the core the results
  ** are already in sorted order.  */
  if( pInfo->nOrderBy==1 
   && pInfo->aOrderBy[0].iColumn==0 
   && pInfo->aOrderBy[0].desc==0
  ){
    pInfo->orderByConsumed = 1;
  }

  pInfo->idxNum = idxNum;
  return SQLITE_OK;
}

/*
** Implementation of xOpen method.
*/
static int fts5VocabOpenMethod(

} else {
  do_catchsql_test 8.2.2 { 
    SELECT * FROM x1_c 
  } {1 {database disk image is malformed}}
}

sqlite3_fts5_may_be_corrupt 0
}

#-------------------------------------------------------------------------
# Test that both "ORDER BY term" and "ORDER BY term DESC" work.
#
reset_db
do_execsql_test 9.1 {
  CREATE VIRTUAL TABLE x1 USING fts5(x);
  INSERT INTO x1 VALUES('def ABC ghi');
  INSERT INTO x1 VALUES('DEF abc GHI');
}

do_execsql_test 9.2 {
  CREATE VIRTUAL TABLE rrr USING fts5vocab(x1, row);
  SELECT * FROM rrr
} {
  abc 2 2 def 2 2 ghi 2 2
}
do_execsql_test 9.3 {
  SELECT * FROM rrr ORDER BY term ASC
} {
  abc 2 2 def 2 2 ghi 2 2
}
do_execsql_test 9.4 {
  SELECT * FROM rrr ORDER BY term DESC
} {
  ghi 2 2 def 2 2 abc 2 2 
}
do_test 9.5 {
  set e2 [db eval { EXPLAIN SELECT * FROM rrr ORDER BY term ASC }]
  expr [lsearch $e2 SorterSort]<0
} 1
do_test 9.6 {
  set e2 [db eval { EXPLAIN SELECT * FROM rrr ORDER BY term DESC }]
  expr [lsearch $e2 SorterSort]<0
} 0



finish_test