Example #1
0
int main(int argc,char *argv[])
{
  int error=0, subkeys;
  uint keylen, keylen2=0, inx, doc_cnt=0;
  float weight= 1.0;
  double gws, min_gws=0, avg_gws=0;
  MI_INFO *info;
  char buf[MAX_LEN], buf2[MAX_LEN], buf_maxlen[MAX_LEN], buf_min_gws[MAX_LEN];
  ulong total=0, maxlen=0, uniq=0, max_doc_cnt=0;
  struct { MI_INFO *info; } aio0, *aio=&aio0; /* for GWS_IN_USE */

  MY_INIT(argv[0]);

  memset(&main_thread_keycache_var, 0, sizeof(st_keycache_thread_var));
  mysql_cond_init(PSI_NOT_INSTRUMENTED,
                  &main_thread_keycache_var.suspend);

  if ((error= handle_options(&argc, &argv, my_long_options, get_one_option)))
    exit(error);
  if (count || dump)
    verbose=0;
  if (!count && !dump && !lstats && !query)
    stats=1;

  if (verbose)
    setbuf(stdout,NULL);

  if (argc < 2)
    usage();

  {
    char *end;
    inx= (uint) my_strtoll(argv[1], &end, 10);
    if (*end)
      usage();
  }

  init_key_cache(dflt_key_cache,MI_KEY_BLOCK_LENGTH,USE_BUFFER_INIT, 0, 0);

  if (!(info=mi_open(argv[0], O_RDONLY,
                     HA_OPEN_ABORT_IF_LOCKED|HA_OPEN_FROM_SQL_LAYER)))
  {
    error=my_errno();
    goto err;
  }

  *buf2=0;
  aio->info=info;

  if ((inx >= info->s->base.keys) ||
      !(info->s->keyinfo[inx].flag & HA_FULLTEXT))
  {
    printf("Key %d in table %s is not a FULLTEXT key\n", inx, info->filename);
    goto err;
  }

  mi_lock_database(info, F_EXTRA_LCK);

  info->lastpos= HA_OFFSET_ERROR;
  info->update|= HA_STATE_PREV_FOUND;

  while (!(error=mi_rnext(info,NULL,inx)))
  {
    keylen=*(info->lastkey);

    subkeys=ft_sintXkorr(info->lastkey+keylen+1);
    if (subkeys >= 0)
      ft_floatXget(weight, info->lastkey+keylen+1);

    my_snprintf(buf,MAX_LEN,"%.*s",(int) keylen,info->lastkey+1);
    my_casedn_str(default_charset_info,buf);
    total++;
    lengths[keylen]++;

    if (count || stats)
    {
      if (strcmp(buf, buf2))
      {
        if (*buf2)
        {
          uniq++;
          avg_gws+=gws=GWS_IN_USE;
          if (count)
            printf("%9u %20.7f %s\n",doc_cnt,gws,buf2);
          if (maxlen<keylen2)
          {
            maxlen=keylen2;
            my_stpcpy(buf_maxlen, buf2);
          }
          if (max_doc_cnt < doc_cnt)
          {
            max_doc_cnt=doc_cnt;
            my_stpcpy(buf_min_gws, buf2);
            min_gws=gws;
          }
        }
        my_stpcpy(buf2, buf);
        keylen2=keylen;
        doc_cnt=0;
      }
      doc_cnt+= (subkeys >= 0 ? 1 : -subkeys);
    }
    if (dump)
    {
      if (subkeys>=0)
        printf("%9lx %20.7f %s\n", (long) info->lastpos,weight,buf);
      else
        printf("%9lx => %17d %s\n",(long) info->lastpos,-subkeys,buf);
    }
    if (verbose && (total%HOW_OFTEN_TO_WRITE)==0)
      printf("%10ld\r",total);
  }
  mi_lock_database(info, F_UNLCK);

  if (count || stats)
  {
    if (*buf2)
    {
      uniq++;
      avg_gws+=gws=GWS_IN_USE;
      if (count)
        printf("%9u %20.7f %s\n",doc_cnt,gws,buf2);
      if (maxlen<keylen2)
      {
        maxlen=keylen2;
        my_stpcpy(buf_maxlen, buf2);
      }
      if (max_doc_cnt < doc_cnt)
      {
        max_doc_cnt=doc_cnt;
        my_stpcpy(buf_min_gws, buf2);
        min_gws=gws;
      }
    }
  }

  if (stats)
  {
    count=0;
    for (inx=0;inx<256;inx++)
    {
      count+=lengths[inx];
      if ((ulong) count >= total/2)
        break;
    }
    printf("Total rows: %lu\nTotal words: %lu\n"
           "Unique words: %lu\nLongest word: %lu chars (%s)\n"
           "Median length: %u\n"
           "Average global weight: %f\n"
           "Most common word: %lu times, weight: %f (%s)\n",
           (long) info->state->records, total, uniq, maxlen, buf_maxlen,
           inx, avg_gws/uniq, max_doc_cnt, min_gws, buf_min_gws);
  }
  if (lstats)
  {
    count=0;
    for (inx=0; inx<256; inx++)
    {
      count+=lengths[inx];
      if (count && lengths[inx])
        printf("%3u: %10lu %5.2f%% %20lu %4.1f%%\n", inx,
               (ulong) lengths[inx],100.0*lengths[inx]/total,(ulong) count,
               100.0*count/total);
    }
  }

err:
  if (error && error != HA_ERR_END_OF_FILE)
    printf("got error %d\n",my_errno());
  if (info)
    mi_close(info);
  mysql_cond_destroy(&main_thread_keycache_var.suspend);
  return 0;
}
int main(int argc,char *argv[])
{
  int error=0;
  uint keylen, keylen2=0, inx, doc_cnt=0;
  float weight= 1.0;
  double gws, min_gws=0, avg_gws=0;
  MARIA_HA *info;
  char buf[MAX_LEN], buf2[MAX_LEN], buf_maxlen[MAX_LEN], buf_min_gws[MAX_LEN];
  ulong total=0, maxlen=0, uniq=0, max_doc_cnt=0;
  struct { MARIA_HA *info; } aio0, *aio=&aio0; /* for GWS_IN_USE */

  MY_INIT(argv[0]);
  if ((error= handle_options(&argc, &argv, my_long_options, get_one_option)))
    exit(error);
  maria_init();
  if (count || dump)
    verbose=0;
  if (!count && !dump && !lstats && !query)
    stats=1;

  if (verbose)
    setbuf(stdout,NULL);

  if (argc < 2)
    usage();

  {
    char *end;
    inx= (uint) strtoll(argv[1], &end, 10);
    if (*end)
      usage();
  }

  init_pagecache(maria_pagecache, PAGE_BUFFER_INIT, 0, 0,
                 MARIA_KEY_BLOCK_LENGTH, 0, MY_WME);

  if (!(info=maria_open(argv[0], O_RDONLY,
                        HA_OPEN_ABORT_IF_LOCKED|HA_OPEN_FROM_SQL_LAYER)))
  {
    error=my_errno;
    goto err;
  }

  *buf2=0;
  aio->info=info;

  if ((inx >= info->s->base.keys) ||
      !(info->s->keyinfo[inx].flag & HA_FULLTEXT))
  {
    printf("Key %d in table %s is not a FULLTEXT key\n", inx,
           info->s->open_file_name.str);
    goto err;
  }

  maria_lock_database(info, F_EXTRA_LCK);

  info->cur_row.lastpos= HA_OFFSET_ERROR;
  info->update|= HA_STATE_PREV_FOUND;

  while (!(error=maria_rnext(info,NULL,inx)))
  {
    FT_WEIGTH subkeys;
    keylen=*(info->lastkey_buff);

    subkeys.i= ft_sintXkorr(info->lastkey_buff + keylen + 1);
    if (subkeys.i >= 0)
      weight= subkeys.f;

#ifdef HAVE_SNPRINTF
    snprintf(buf,MAX_LEN,"%.*s",(int) keylen,info->lastkey_buff+1);
#else
    sprintf(buf,"%.*s",(int) keylen,info->lastkey_buff+1);
#endif
    my_casedn_str(default_charset_info,buf);
    total++;
    lengths[keylen]++;

    if (count || stats)
    {
      if (strcmp(buf, buf2))
      {
        if (*buf2)
        {
          uniq++;
          avg_gws+=gws=GWS_IN_USE;
          if (count)
            printf("%9u %20.7f %s\n",doc_cnt,gws,buf2);
          if (maxlen<keylen2)
          {
            maxlen=keylen2;
            strmov(buf_maxlen, buf2);
          }
          if (max_doc_cnt < doc_cnt)
          {
            max_doc_cnt=doc_cnt;
            strmov(buf_min_gws, buf2);
            min_gws=gws;
          }
        }
        strmov(buf2, buf);
        keylen2=keylen;
        doc_cnt=0;
      }
      doc_cnt+= (subkeys.i >= 0 ? 1 : -subkeys.i);
    }
    if (dump)
    {
      if (subkeys.i >= 0)
        printf("%9lx %20.7f %s\n", (long) info->cur_row.lastpos,weight,buf);
      else
        printf("%9lx => %17d %s\n",(long) info->cur_row.lastpos,-subkeys.i,
               buf);
    }
    if (verbose && (total%HOW_OFTEN_TO_WRITE)==0)
      printf("%10ld\r",total);
  }
  maria_lock_database(info, F_UNLCK);

  if (count || stats)
  {
    if (*buf2)
    {
      uniq++;
      avg_gws+=gws=GWS_IN_USE;
      if (count)
        printf("%9u %20.7f %s\n",doc_cnt,gws,buf2);
      if (maxlen<keylen2)
      {
        maxlen=keylen2;
        strmov(buf_maxlen, buf2);
      }
      if (max_doc_cnt < doc_cnt)
      {
        max_doc_cnt=doc_cnt;
        strmov(buf_min_gws, buf2);
        min_gws=gws;
      }
    }
  }

  if (stats)
  {
    count=0;
    for (inx=0;inx<256;inx++)
    {
      count+=lengths[inx];
      if ((ulong) count >= total/2)
        break;
    }
    printf("Total rows: %lu\nTotal words: %lu\n"
           "Unique words: %lu\nLongest word: %lu chars (%s)\n"
           "Median length: %u\n"
           "Average global weight: %f\n"
           "Most common word: %lu times, weight: %f (%s)\n",
           (long) info->state->records, total, uniq, maxlen, buf_maxlen,
           inx, avg_gws/uniq, max_doc_cnt, min_gws, buf_min_gws);
  }
  if (lstats)
  {
    count=0;
    for (inx=0; inx<256; inx++)
    {
      count+=lengths[inx];
      if (count && lengths[inx])
        printf("%3u: %10lu %5.2f%% %20lu %4.1f%%\n", inx,
               (ulong) lengths[inx],100.0*lengths[inx]/total,(ulong) count,
               100.0*count/total);
    }
  }

err:
  if (error && error != HA_ERR_END_OF_FILE)
    printf("got error %d\n",my_errno);
  if (info)
    maria_close(info);
  maria_end();
  return 0;
}