SQLite

  }

  /* If one value is a number and the other is not, the number is less.
  ** If both are numbers, compare as reals if one is a real, or as integers
  ** if both values are integers.
  */
  if( combined_flags&(MEM_Int|MEM_Real) ){
    double r1, r2;
    LONGDOUBLE_TYPE r1, r2;
    if( (f1 & f2 & MEM_Int)!=0 ){
      if( pMem1->u.i < pMem2->u.i ) return -1;
      if( pMem1->u.i > pMem2->u.i ) return 1;
      return 0;
    }
    if( (f1&MEM_Real)!=0 ){
      r1 = pMem1->u.r;
    }else if( (f1&MEM_Int)!=0 ){
      r1 = (double)pMem1->u.i;
      r1 = (LONGDOUBLE_TYPE)pMem1->u.i;
    }else{
      return 1;
    }
    if( (f2&MEM_Real)!=0 ){
      r2 = pMem2->u.r;
    }else if( (f2&MEM_Int)!=0 ){
      r2 = (double)pMem2->u.i;
      r2 = (LONGDOUBLE_TYPE)pMem2->u.i;
    }else{
      return -1;
    }
    if( r1<r2 ) return -1;
    if( r1>r2 ) return 1;
    return 0;
  }

      serial_type = aKey1[idx1];
      testcase( serial_type==12 );
      if( serial_type>=10 ){
        rc = +1;
      }else if( serial_type==0 ){
        rc = -1;
      }else if( serial_type==7 ){
        double rhs = (double)pRhs->u.i;
        LONGDOUBLE_TYPE rhs = (LONGDOUBLE_TYPE)pRhs->u.i;
        sqlite3VdbeSerialGet(&aKey1[d1], serial_type, &mem1);
        if( mem1.u.r<rhs ){
          rc = -1;
        }else if( mem1.u.r>rhs ){
          rc = +1;
        }
      }else{

        ** numbers). Types 10 and 11 are currently "reserved for future 
        ** use", so it doesn't really matter what the results of comparing
        ** them to numberic values are.  */
        rc = +1;
      }else if( serial_type==0 ){
        rc = -1;
      }else{
        double rhs = pRhs->u.r;
        double lhs;
        LONGDOUBLE_TYPE rhs = pRhs->u.r;
        LONGDOUBLE_TYPE lhs;
        sqlite3VdbeSerialGet(&aKey1[d1], serial_type, &mem1);
        if( serial_type==7 ){
          lhs = mem1.u.r;
        }else{
          lhs = (double)mem1.u.i;
          lhs = (LONGDOUBLE_TYPE)mem1.u.i;
        }
        if( lhs<rhs ){
          rc = -1;
        }else if( lhs>rhs ){
          rc = +1;
        }
      }