int main()

in storage/heap/hp_test2.cc [60:507]


int main(int argc, char *argv[]) {
  uint i, j;
  uint ant, n1, n2, n3;
  uint write_count, update, opt_delete, check2, dupp_keys, found_key;
  int error;
  ulong pos;
  unsigned long key_check;
  uchar record[128], record2[128], record3[128], key[10];
  const char *filename, *filename2;
  HP_INFO *file, *file2;
  HP_SHARE *tmp_share;
  HP_KEYDEF keyinfo[MAX_KEYS];
  HA_KEYSEG keyseg[MAX_KEYS * 5];
  HP_HEAP_POSITION position;
  HP_CREATE_INFO hp_create_info;
  CHARSET_INFO *cs = &my_charset_latin1;
  bool unused;
  MY_INIT(argv[0]); /* init my_sys library & pthreads */

  filename = "test2";
  filename2 = "test2_2";
  file = file2 = nullptr;
  get_options(argc, argv);

  memset(&hp_create_info, 0, sizeof(hp_create_info));
  hp_create_info.max_table_size = 1024L * 1024L * 2;
  hp_create_info.keys = keys;
  hp_create_info.keydef = keyinfo;
  hp_create_info.reclength = reclength;
  hp_create_info.max_records = (ulong)flag * 100000L;
  hp_create_info.min_records = (ulong)recant / 2;

  write_count = update = opt_delete = 0;
  key_check = 0;

  keyinfo[0].seg = keyseg;
  keyinfo[0].keysegs = 1;
  keyinfo[0].flag = 0;
  keyinfo[0].algorithm = HA_KEY_ALG_HASH;
  keyinfo[0].seg[0].type = HA_KEYTYPE_BINARY;
  keyinfo[0].seg[0].start = 0;
  keyinfo[0].seg[0].length = 6;
  keyinfo[0].seg[0].null_bit = 0;
  keyinfo[0].seg[0].charset = cs;
  keyinfo[1].seg = keyseg + 1;
  keyinfo[1].keysegs = 2;
  keyinfo[1].flag = 0;
  keyinfo[1].algorithm = HA_KEY_ALG_HASH;
  keyinfo[1].seg[0].type = HA_KEYTYPE_BINARY;
  keyinfo[1].seg[0].start = 7;
  keyinfo[1].seg[0].length = 6;
  keyinfo[1].seg[0].null_bit = 0;
  keyinfo[1].seg[0].charset = cs;
  keyinfo[1].seg[1].type = HA_KEYTYPE_TEXT;
  keyinfo[1].seg[1].start = 0; /* key in two parts */
  keyinfo[1].seg[1].length = 6;
  keyinfo[1].seg[1].null_bit = 0;
  keyinfo[1].seg[1].charset = cs;
  keyinfo[2].seg = keyseg + 3;
  keyinfo[2].keysegs = 1;
  keyinfo[2].flag = HA_NOSAME;
  keyinfo[2].algorithm = HA_KEY_ALG_HASH;
  keyinfo[2].seg[0].type = HA_KEYTYPE_BINARY;
  keyinfo[2].seg[0].start = 12;
  keyinfo[2].seg[0].length = 8;
  keyinfo[2].seg[0].null_bit = 0;
  keyinfo[2].seg[0].charset = cs;
  keyinfo[3].seg = keyseg + 4;
  keyinfo[3].keysegs = 1;
  keyinfo[3].flag = HA_NOSAME;
  keyinfo[3].algorithm = HA_KEY_ALG_HASH;
  keyinfo[3].seg[0].type = HA_KEYTYPE_BINARY;
  keyinfo[3].seg[0].start = 37;
  keyinfo[3].seg[0].length = 1;
  keyinfo[3].seg[0].null_bit = 1;
  keyinfo[3].seg[0].null_pos = 38;
  keyinfo[3].seg[0].charset = cs;

  memset(key1, 0, sizeof(key1));
  memset(key3, 0, sizeof(key3));

  printf("- Creating heap-file\n");
  if (heap_create(filename, &hp_create_info, &tmp_share, &unused) ||
      !(file = heap_open(filename, 2)))
    goto err;
  signal(SIGINT, endprog);

  printf("- Writing records:s\n");
  my_stpcpy((char *)record, "          ..... key");

  for (i = 0; i < recant; i++) {
    n1 = rnd(1000);
    n2 = rnd(100);
    n3 = rnd(std::min(recant * 5, MAX_RECORDS));
    make_record(record, n1, n2, n3, "Pos", write_count);

    if (heap_write(file, record)) {
      if (my_errno() != HA_ERR_FOUND_DUPP_KEY || key3[n3] == 0) {
        printf("Error: %d in write at record: %d\n", my_errno(), i);
        goto err;
      }
      if (verbose) printf("   Double key: %d\n", n3);
    } else {
      if (key3[n3] == 1) {
        printf("Error: Didn't get error when writing second key: '%8d'\n", n3);
        goto err;
      }
      write_count++;
      key1[n1]++;
      key3[n3] = true;
      key_check += n1;
    }
    if (testflag == 1 && heap_check_heap(file, false)) {
      puts("Heap keys crashed");
      goto err;
    }
  }
  if (testflag == 1) goto end;
  if (heap_check_heap(file, false)) {
    puts("Heap keys crashed");
    goto err;
  }

  printf("- Delete\n");
  for (i = 0; i < write_count / 10; i++) {
    for (j = rnd(1000) + 1; j > 0 && key1[j] == 0; j--)
      ;
    if (j != 0) {
      sprintf((char *)key, "%6d", j);
      if (heap_rkey(file, record, 0, key, 6, HA_READ_KEY_EXACT)) {
        printf("can't find key1: \"%s\"\n", (char *)key);
        goto err;
      }
      if (heap_delete(file, record)) {
        printf("error: %d; can't delete record: \"%s\"\n", my_errno(),
               (char *)record);
        goto err;
      }
      opt_delete++;
      key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
      key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
      key_check -= atoi((char *)record);
      if (testflag == 2 && heap_check_heap(file, false)) {
        puts("Heap keys crashed");
        goto err;
      }
    } else
      puts("Warning: Skipping delete test because no dupplicate keys");
  }
  if (testflag == 2) goto end;
  if (heap_check_heap(file, false)) {
    puts("Heap keys crashed");
    goto err;
  }

  printf("- Update\n");
  for (i = 0; i < write_count / 10; i++) {
    n1 = rnd(1000);
    n2 = rnd(100);
    n3 = rnd(std::min(recant * 2, MAX_RECORDS));
    make_record(record2, n1, n2, n3, "XXX", update);
    if (rnd(2) == 1) {
      if (heap_scan_init(file)) goto err;
      j = rnd(write_count - opt_delete);
      while ((error = heap_scan(file, record) == HA_ERR_RECORD_DELETED) ||
             (!error && j)) {
        if (!error) j--;
      }
      if (error) goto err;
    } else {
      for (j = rnd(1000) + 1; j > 0 && key1[j] == 0; j--)
        ;
      if (!key1[j]) continue;
      sprintf((char *)key, "%6d", j);
      if (heap_rkey(file, record, 0, key, 6, HA_READ_KEY_EXACT)) {
        printf("can't find key1: \"%s\"\n", (char *)key);
        goto err;
      }
    }
    if (heap_update(file, record, record2)) {
      if (my_errno() != HA_ERR_FOUND_DUPP_KEY || key3[n3] == 0) {
        printf("error: %d; can't update:\nFrom: \"%s\"\nTo:   \"%s\"\n",
               my_errno(), (char *)record, (char *)record2);
        goto err;
      }
      if (verbose)
        printf("Double key when tried to update:\nFrom: \"%s\"\nTo:   \"%s\"\n",
               (char *)record, (char *)record2);
    } else {
      key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
      key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
      key1[n1]++;
      key3[n3] = true;
      update++;
      key_check = key_check - atoi((char *)record) + n1;
    }
    if (testflag == 3 && heap_check_heap(file, false)) {
      puts("Heap keys crashed");
      goto err;
    }
  }
  if (testflag == 3) goto end;
  if (heap_check_heap(file, false)) {
    puts("Heap keys crashed");
    goto err;
  }

  for (i = 999, dupp_keys = found_key = 0; i > 0; i--) {
    if (key1[i] > dupp_keys) {
      dupp_keys = key1[i];
      found_key = i;
    }
    sprintf((char *)key, "%6d", found_key);
  }

  if (dupp_keys > 3) {
    if (!silent) printf("- Read first key - next - delete - next -> last\n");
    DBUG_PRINT("progpos", ("first - next - delete - next -> last"));

    if (heap_rkey(file, record, 0, key, 6, HA_READ_KEY_EXACT)) goto err;
    if (heap_rnext(file, record3)) goto err;
    if (heap_delete(file, record3)) goto err;
    key_check -= atoi((char *)record3);
    key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
    key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
    opt_delete++;
    ant = 2;
    while ((error = heap_rnext(file, record3)) == 0 ||
           error == HA_ERR_RECORD_DELETED)
      if (!error) ant++;
    if (ant != dupp_keys) {
      printf("next: I can only find: %d records of %d\n", ant, dupp_keys);
      goto end;
    }
    dupp_keys--;
    if (heap_check_heap(file, false)) {
      puts("Heap keys crashed");
      goto err;
    }

    if (!silent)
      printf(
          "- Read last key - delete - prev - prev - opt_delete - prev -> "
          "first\n");

    if (heap_rlast(file, record3, 0)) goto err;
    if (heap_delete(file, record3)) goto err;
    key_check -= atoi((char *)record3);
    key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
    key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
    opt_delete++;
    if (heap_rprev(file, record3) || heap_rprev(file, record3)) goto err;
    if (heap_delete(file, record3)) goto err;
    key_check -= atoi((char *)record3);
    key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
    key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
    opt_delete++;
    ant = 3;
    while ((error = heap_rprev(file, record3)) == 0 ||
           error == HA_ERR_RECORD_DELETED) {
      if (!error) ant++;
    }
    if (ant != dupp_keys) {
      printf("next: I can only find: %d records of %d\n", ant, dupp_keys);
      goto end;
    }
    dupp_keys -= 2;
    if (heap_check_heap(file, false)) {
      puts("Heap keys crashed");
      goto err;
    }
  } else
    puts("Warning: Not enough duplicated keys:  Skipping delete key check");

  if (!silent) printf("- Read (first) - next - delete - next -> last\n");
  DBUG_PRINT("progpos", ("first - next - delete - next -> last"));

  if (heap_scan_init(file)) goto err;
  while ((error = heap_scan(file, record3) == HA_ERR_RECORD_DELETED))
    ;
  if (error) goto err;
  if (heap_delete(file, record3)) goto err;
  key_check -= atoi((char *)record3);
  opt_delete++;
  key1[atoi((char *)record + keyinfo[0].seg[0].start)]--;
  key3[atoi((char *)record + keyinfo[2].seg[0].start)] = false;
  ant = 0;
  while ((error = heap_scan(file, record3)) == 0 ||
         error == HA_ERR_RECORD_DELETED)
    if (!error) ant++;
  if (ant != write_count - opt_delete) {
    printf("next: Found: %d records of %d\n", ant, write_count - opt_delete);
    goto end;
  }
  if (heap_check_heap(file, false)) {
    puts("Heap keys crashed");
    goto err;
  }

  puts("- Test if: Read rrnd - same - rkey - same");
  DBUG_PRINT("progpos", ("Read rrnd - same"));
  pos = rnd(write_count - opt_delete - 5) + 5;
  heap_scan_init(file);
  i = 5;
  while ((error = heap_scan(file, record)) == HA_ERR_RECORD_DELETED ||
         (error == 0 && pos)) {
    if (!error) pos--;
    if (!error && (i-- == 0)) {
      memmove(record3, record, reclength);
      heap_position(file, &position);
    }
  }
  if (error) goto err;
  memmove(record2, record, reclength);
  if (heap_rsame(file, record, -1) || heap_rsame(file, record2, 2)) goto err;
  if (memcmp(record2, record, reclength) != 0) {
    puts("heap_rsame didn't find right record");
    goto end;
  }

  puts("- Test of read through position");
  if (heap_rrnd(file, record, &position)) goto err;
  if (memcmp(record3, record, reclength) != 0) {
    puts("heap_frnd didn't find right record");
    goto end;
  }

  printf("- heap_info\n");
  {
    HEAPINFO info;
    heap_info(file, &info, 0);
    /* We have to test with opt_delete +1 as this may be the case if the last
       inserted row was a duplicate key */
    if (info.records != write_count - opt_delete ||
        (info.deleted != opt_delete && info.deleted != opt_delete + 1)) {
      puts("Wrong info from heap_info");
      printf("Got: records: %ld(%d)  deleted: %ld(%d)\n", info.records,
             write_count - opt_delete, info.deleted, opt_delete);
    }
  }

  printf("- Read through all records with scan\n");
  ant = check2 = 0;
  heap_scan_init(file);
  while ((error = heap_scan(file, record)) != HA_ERR_END_OF_FILE &&
         ant < write_count + 10) {
    if (!error) {
      ant++;
      check2 += calc_check(record, reclength);
    }
  }
  if (ant != write_count - opt_delete) {
    printf("scan: I can only find: %d records of %d\n", ant,
           write_count - opt_delete);
    goto end;
  }

  for (i = 999, dupp_keys = found_key = 0; i > 0; i--) {
    if (key1[i] > dupp_keys) {
      dupp_keys = key1[i];
      found_key = i;
    }
    sprintf((char *)key, "%6d", found_key);
  }
  printf("- Read through all keys with first-next-last-prev\n");
  ant = 0;
  for (error = heap_rkey(file, record, 0, key, 6, HA_READ_KEY_EXACT); !error;
       error = heap_rnext(file, record))
    ant++;
  if (ant != dupp_keys) {
    printf("first-next: I can only find: %d records of %d\n", ant, dupp_keys);
    goto end;
  }

  ant = 0;
  for (error = heap_rlast(file, record, 0); !error;
       error = heap_rprev(file, record)) {
    ant++;
    check2 += calc_check(record, reclength);
  }
  if (ant != dupp_keys) {
    printf("last-prev: I can only find: %d records of %d\n", ant, dupp_keys);
    goto end;
  }

  if (testflag == 4) goto end;

  printf("- Reading through all rows through keys\n");
  if (!(file2 = heap_open(filename, 2))) goto err;
  if (heap_scan_init(file)) goto err;
  while ((error = heap_scan(file, record)) != HA_ERR_END_OF_FILE) {
    if (error == 0) {
      if (heap_rkey(file2, record2, 2, record + keyinfo[2].seg[0].start, 8,
                    HA_READ_KEY_EXACT)) {
        printf("can't find key3: \"%.8s\"\n", record + keyinfo[2].seg[0].start);
        goto err;
      }
    }
  }
  heap_close(file2);

  printf("- Creating output heap-file 2\n");
  hp_create_info.keys = 1;
  hp_create_info.max_records = 0;
  hp_create_info.min_records = 0;
  if (heap_create(filename2, &hp_create_info, &tmp_share, &unused) ||
      !(file2 = heap_open_from_share_and_register(tmp_share, 2)))
    goto err;

  printf("- Copying and removing records\n");
  if (heap_scan_init(file)) goto err;
  while ((error = heap_scan(file, record)) != HA_ERR_END_OF_FILE) {
    if (error == 0) {
      if (heap_write(file2, record)) goto err;
      key_check -= atoi((char *)record);
      write_count++;
      if (heap_delete(file, record)) goto err;
      opt_delete++;
    }
    pos++;
  }
  printf("- Checking heap tables\n");
  if (heap_check_heap(file, true) || heap_check_heap(file2, true)) {
    puts("Heap keys crashed");
    goto err;
  }

  if (my_errno() != HA_ERR_END_OF_FILE)
    printf("error: %d from heap_rrnd\n", my_errno());
  if (key_check)
    printf("error: Some read got wrong: check is %ld\n", (long)key_check);

end:
  printf("\nFollowing test have been made:\n");
  printf("Write records: %d\nUpdate records: %d\nDelete records: %d\n",
         write_count, update, opt_delete);
  heap_clear(file);
  heap_clear(file2);
  if (heap_close(file) || (file2 && heap_close(file2))) goto err;
  heap_delete_table(filename2);
  hp_panic(HA_PANIC_CLOSE);
  my_end(MY_GIVE_INFO);
  return (0);
err:
  printf("Got error: %d when using heap-database\n", my_errno());
  (void)heap_close(file);
  return (1);
} /* main */