Пример #1
0
void start_test(int id)
{
  uint i;
  int error,lock_type;
  MI_ISAMINFO isam_info;
  MI_INFO *file,*file1,*file2=0,*lock;

  if (use_log)
    mi_log(1);
  if (!(file1=mi_open(filename,O_RDWR,HA_OPEN_WAIT_IF_LOCKED)) ||
      !(file2=mi_open(filename,O_RDWR,HA_OPEN_WAIT_IF_LOCKED)))
  {
    fprintf(stderr,"Can't open isam-file: %s\n",filename);
    exit(1);
  }
  if (key_cacheing && rnd(2) == 0)
    init_key_cache(dflt_key_cache, KEY_CACHE_BLOCK_SIZE, 65536L, 0, 0);
  printf("Process %d, pid: %d\n",id,getpid()); fflush(stdout);

  for (error=i=0 ; i < tests && !error; i++)
  {
    file= (rnd(2) == 1) ? file1 : file2;
    lock=0 ; lock_type=0;
    if (rnd(10) == 0)
    {
      if (mi_lock_database(lock=(rnd(2) ? file1 : file2),
			   lock_type=(rnd(2) == 0 ? F_RDLCK : F_WRLCK)))
      {
	fprintf(stderr,"%2d: start: Can't lock table %d\n",id,my_errno);
	error=1;
	break;
      }
    }
    switch (rnd(4)) {
    case 0: error=test_read(file,id); break;
    case 1: error=test_rrnd(file,id); break;
    case 2: error=test_write(file,id,lock_type); break;
    case 3: error=test_update(file,id,lock_type); break;
    }
    if (lock)
      mi_lock_database(lock,F_UNLCK);
  }
  if (!error)
  {
    mi_status(file1,&isam_info,HA_STATUS_VARIABLE);
    printf("%2d: End of test.  Records:  %ld  Deleted:  %ld\n",
	   id,(long) isam_info.records, (long) isam_info.deleted);
    fflush(stdout);
  }

  mi_close(file1);
  mi_close(file2);
  if (use_log)
    mi_log(0);
  if (error)
  {
    printf("%2d: Aborted\n",id); fflush(stdout);
    exit(1);
  }
}
Пример #2
0
int main(int argc,char *argv[])
{
  MY_INIT(argv[0]);
  my_init();
  if (key_cacheing)
    init_key_cache(dflt_key_cache,KEY_CACHE_BLOCK_SIZE,IO_SIZE*16,0,0);
  get_options(argc,argv);

  exit(run_test("test1"));
}
Пример #3
0
int 
main(int argc, char *argv[])
{
	MY_INIT(argv[0]);
	my_init();
	if (key_cacheing)
		init_key_cache(IO_SIZE * 16, (uint) IO_SIZE * 4 * 10);
	get_options(argc, argv);

	exit(run_test("test1"));
}
Пример #4
0
int main(int argc, char *argv[])
{
  uint i;
  int j,n1,n2,n3,error,k;
  uint write_count,update,dupp_keys,opt_delete,start,length,blob_pos,
       reclength,ant,found_parts;
  my_off_t lastpos;
  ha_rows range_records,records;
  MI_INFO *file;
  MI_KEYDEF keyinfo[10];
  MI_COLUMNDEF recinfo[10];
  MI_ISAMINFO info;
  const char *filename;
  char *blob_buffer;
  MI_CREATE_INFO create_info;
  MY_INIT(argv[0]);

  filename= "test2";
  get_options(argc,argv);
  if (! async_io)
    my_disable_async_io=1;

  reclength=STANDARD_LENGTH+60+(use_blob ? 8 : 0);
  blob_pos=STANDARD_LENGTH+60;
  keyinfo[0].seg= &glob_keyseg[0][0];
  keyinfo[0].seg[0].start=0;
  keyinfo[0].seg[0].length=6;
  keyinfo[0].seg[0].type=HA_KEYTYPE_TEXT;
  keyinfo[0].seg[0].language= default_charset_info->number;
  keyinfo[0].seg[0].flag=(uint8) pack_seg;
  keyinfo[0].seg[0].null_bit=0;
  keyinfo[0].seg[0].null_pos=0;
  keyinfo[0].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[0].keysegs=1;
  keyinfo[0].flag = pack_type;
  keyinfo[0].block_length= 0;                   /* Default block length */
  keyinfo[1].seg= &glob_keyseg[1][0];
  keyinfo[1].seg[0].start=7;
  keyinfo[1].seg[0].length=6;
  keyinfo[1].seg[0].type=HA_KEYTYPE_BINARY;
  keyinfo[1].seg[0].flag=0;
  keyinfo[1].seg[0].null_bit=0;
  keyinfo[1].seg[0].null_pos=0;
  keyinfo[1].seg[1].start=0;			/* two part key */
  keyinfo[1].seg[1].length=6;
  keyinfo[1].seg[1].type=HA_KEYTYPE_NUM;
  keyinfo[1].seg[1].flag=HA_REVERSE_SORT;
  keyinfo[1].seg[1].null_bit=0;
  keyinfo[1].seg[1].null_pos=0;
  keyinfo[1].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[1].keysegs=2;
  keyinfo[1].flag =0;
  keyinfo[1].block_length= MI_MIN_KEY_BLOCK_LENGTH;  /* Diff blocklength */
  keyinfo[2].seg= &glob_keyseg[2][0];
  keyinfo[2].seg[0].start=12;
  keyinfo[2].seg[0].length=8;
  keyinfo[2].seg[0].type=HA_KEYTYPE_BINARY;
  keyinfo[2].seg[0].flag=HA_REVERSE_SORT;
  keyinfo[2].seg[0].null_bit=0;
  keyinfo[2].seg[0].null_pos=0;
  keyinfo[2].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[2].keysegs=1;
  keyinfo[2].flag =HA_NOSAME;
  keyinfo[2].block_length= 0;                   /* Default block length */
  keyinfo[3].seg= &glob_keyseg[3][0];
  keyinfo[3].seg[0].start=0;
  keyinfo[3].seg[0].length=reclength-(use_blob ? 8 : 0);
  keyinfo[3].seg[0].type=HA_KEYTYPE_TEXT;
  keyinfo[3].seg[0].language=default_charset_info->number;
  keyinfo[3].seg[0].flag=(uint8) pack_seg;
  keyinfo[3].seg[0].null_bit=0;
  keyinfo[3].seg[0].null_pos=0;
  keyinfo[3].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[3].keysegs=1;
  keyinfo[3].flag = pack_type;
  keyinfo[3].block_length= 0;                   /* Default block length */
  keyinfo[4].seg= &glob_keyseg[4][0];
  keyinfo[4].seg[0].start=0;
  keyinfo[4].seg[0].length=5;
  keyinfo[4].seg[0].type=HA_KEYTYPE_TEXT;
  keyinfo[4].seg[0].language=default_charset_info->number;
  keyinfo[4].seg[0].flag=0;
  keyinfo[4].seg[0].null_bit=0;
  keyinfo[4].seg[0].null_pos=0;
  keyinfo[4].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[4].keysegs=1;
  keyinfo[4].flag = pack_type;
  keyinfo[4].block_length= 0;                   /* Default block length */
  keyinfo[5].seg= &glob_keyseg[5][0];
  keyinfo[5].seg[0].start=0;
  keyinfo[5].seg[0].length=4;
  keyinfo[5].seg[0].type=HA_KEYTYPE_TEXT;
  keyinfo[5].seg[0].language=default_charset_info->number;
  keyinfo[5].seg[0].flag=pack_seg;
  keyinfo[5].seg[0].null_bit=0;
  keyinfo[5].seg[0].null_pos=0;
  keyinfo[5].key_alg=HA_KEY_ALG_BTREE;
  keyinfo[5].keysegs=1;
  keyinfo[5].flag = pack_type;
  keyinfo[5].block_length= 0;                   /* Default block length */

  recinfo[0].type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[0].length=7;
  recinfo[0].null_bit=0;
  recinfo[0].null_pos=0;
  recinfo[1].type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[1].length=5;
  recinfo[1].null_bit=0;
  recinfo[1].null_pos=0;
  recinfo[2].type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[2].length=9;
  recinfo[2].null_bit=0;
  recinfo[2].null_pos=0;
  recinfo[3].type=FIELD_NORMAL;
  recinfo[3].length=STANDARD_LENGTH-7-5-9-4;
  recinfo[3].null_bit=0;
  recinfo[3].null_pos=0;
  recinfo[4].type=pack_fields ? FIELD_SKIP_ZERO : 0;
  recinfo[4].length=4;
  recinfo[4].null_bit=0;
  recinfo[4].null_pos=0;
  recinfo[5].type=pack_fields ? FIELD_SKIP_ENDSPACE : 0;
  recinfo[5].length=60;
  recinfo[5].null_bit=0;
  recinfo[5].null_pos=0;
  if (use_blob)
  {
    recinfo[6].type=FIELD_BLOB;
    recinfo[6].length=4+portable_sizeof_char_ptr;
    recinfo[6].null_bit=0;
    recinfo[6].null_pos=0;
  }

  write_count=update=dupp_keys=opt_delete=0;
  blob_buffer=0;

  for (i=1000 ; i>0 ; i--) key1[i]=0;
  for (i=4999 ; i>0 ; i--) key3[i]=0;

  if (!silent)
    printf("- Creating isam-file\n");
  /*  DBUG_PUSH(""); */
  /* my_delete(filename,MYF(0)); */	/* Remove old locks under gdb */
  file= 0;
  bzero((char*) &create_info,sizeof(create_info));
  create_info.max_rows=(ha_rows) (rec_pointer_size ?
				  (1L << (rec_pointer_size*8))/
				  reclength : 0);
  create_info.reloc_rows=(ha_rows) 100;
  if (mi_create(filename,keys,&keyinfo[first_key],
		use_blob ? 7 : 6, &recinfo[0],
		0,(MI_UNIQUEDEF*) 0,
		&create_info,create_flag))
    goto err;
  if (use_log)
    mi_log(1);
  if (!(file=mi_open(filename,2,HA_OPEN_ABORT_IF_LOCKED)))
    goto err;
  if (!silent)
    printf("- Writing key:s\n");
  if (key_cacheing)
    init_key_cache(dflt_key_cache,key_cache_block_size,key_cache_size,0,0);
  if (locking)
    mi_lock_database(file,F_WRLCK);
  if (write_cacheing)
    mi_extra(file,HA_EXTRA_WRITE_CACHE,0);
  if (opt_quick_mode)
    mi_extra(file,HA_EXTRA_QUICK,0);

  for (i=0 ; i < recant ; i++)
  {
    n1=rnd(1000); n2=rnd(100); n3=rnd(5000);
    sprintf((char*) record,"%6d:%4d:%8d:Pos: %4d    ",n1,n2,n3,write_count);
    int4store(record+STANDARD_LENGTH-4,(long) i);
    fix_length(record,(uint) STANDARD_LENGTH+rnd(60));
    put_blob_in_record(record+blob_pos,&blob_buffer);
    DBUG_PRINT("test",("record: %d",i));

    if (mi_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 && first_key <3 && first_key+keys >= 3)
      {
	printf("Error: Didn't get error when writing second key: '%8d'\n",n3);
	goto err;
      }
      write_count++; key1[n1]++; key3[n3]=1;
    }

    /* Check if we can find key without flushing database */
    if (i == recant/2)
    {
      for (j=rnd(1000)+1 ; j>0 && key1[j] == 0 ; j--) ;
      if (!j)
	for (j=999 ; j>0 && key1[j] == 0 ; j--) ;
      sprintf((char*) key,"%6d",j);
      if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      {
	printf("Test in loop: Can't find key: \"%s\"\n",key);
	goto err;
      }
    }
  }
  if (testflag==1) goto end;

  if (write_cacheing)
  {
    if (mi_extra(file,HA_EXTRA_NO_CACHE,0))
    {
      puts("got error from mi_extra(HA_EXTRA_NO_CACHE)");
      goto end;
    }
  }
  if (key_cacheing)
    resize_key_cache(dflt_key_cache,key_cache_block_size,key_cache_size*2,0,0);

  if (!silent)
    printf("- Delete\n");
  for (i=0 ; i<recant/10 ; i++)
  {
    for (j=rnd(1000)+1 ; j>0 && key1[j] == 0 ; j--) ;
    if (j != 0)
    {
      sprintf((char*) key,"%6d",j);
      if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      {
	printf("can't find key1: \"%s\"\n",key);
	goto err;
      }
      if (opt_delete == (uint) remove_count)		/* While testing */
	goto end;
      if (mi_delete(file,read_record))
      {
	printf("error: %d; can't delete record: \"%s\"\n", my_errno,read_record);
	goto err;
      }
      opt_delete++;
      key1[atoi((char*) read_record+keyinfo[0].seg[0].start)]--;
      key3[atoi((char*) read_record+keyinfo[2].seg[0].start)]=0;
    }
    else
      puts("Warning: Skipping delete test because no dupplicate keys");
  }
  if (testflag==2) goto end;

  if (!silent)
    printf("- Update\n");
  for (i=0 ; i<recant/10 ; i++)
  {
    n1=rnd(1000); n2=rnd(100); n3=rnd(5000);
    sprintf((char*) record2,"%6d:%4d:%8d:XXX: %4d     ",n1,n2,n3,update);
    int4store(record2+STANDARD_LENGTH-4,(long) i);
    fix_length(record2,(uint) STANDARD_LENGTH+rnd(60));

    for (j=rnd(1000)+1 ; j>0 && key1[j] == 0 ; j--) ;
    if (j != 0)
    {
      sprintf((char*) key,"%6d",j);
      if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      {
	printf("can't find key1: \"%s\"\n",(char*) key);
	goto err;
      }
      if (use_blob)
      {
	if (i & 1)
	  put_blob_in_record(record+blob_pos,&blob_buffer);
	else
	  bmove(record+blob_pos,read_record+blob_pos,8);
      }
      if (mi_update(file,read_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,read_record,record2);
	  goto err;
	}
	if (verbose)
	  printf("Double key when tried to update:\nFrom: \"%s\"\nTo:   \"%s\"\n",record,record2);
      }
      else
      {
	key1[atoi((char*) read_record+keyinfo[0].seg[0].start)]--;
	key3[atoi((char*) read_record+keyinfo[2].seg[0].start)]=0;
	key1[n1]++; key3[n3]=1;
	update++;
      }
    }
  }
  if (testflag == 3)
    goto end;

  for (i=999, dupp_keys=j=0 ; i>0 ; i--)
  {
    if (key1[i] > dupp_keys)
    {
      dupp_keys=key1[i]; j=i;
    }
  }
  sprintf((char*) key,"%6d",j);
  start=keyinfo[0].seg[0].start;
  length=keyinfo[0].seg[0].length;
  if (dupp_keys)
  {
    if (!silent)
      printf("- Same key: first - next -> last - prev -> first\n");
    DBUG_PRINT("progpos",("first - next -> last - prev -> first"));
    if (verbose) printf("	 Using key: \"%s\"  Keys: %d\n",key,dupp_keys);

    if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      goto err;
    if (mi_rsame(file,read_record2,-1))
      goto err;
    if (memcmp(read_record,read_record2,reclength) != 0)
    {
      printf("mi_rsame didn't find same record\n");
      goto end;
    }
    info.recpos=mi_position(file);
    if (mi_rfirst(file,read_record2,0) ||
	mi_rsame_with_pos(file,read_record2,0,info.recpos) ||
	memcmp(read_record,read_record2,reclength) != 0)
    {
      printf("mi_rsame_with_pos didn't find same record\n");
      goto end;
    }
    {
      int skr=mi_rnext(file,read_record2,0);
      if ((skr && my_errno != HA_ERR_END_OF_FILE) ||
	  mi_rprev(file,read_record2,-1) ||
	  memcmp(read_record,read_record2,reclength) != 0)
      {
	printf("mi_rsame_with_pos lost position\n");
	goto end;
      }
    }
    ant=1;
    while (mi_rnext(file,read_record2,0) == 0 &&
	   memcmp(read_record2+start,key,length) == 0) ant++;
    if (ant != dupp_keys)
    {
      printf("next: Found: %d keys of %d\n",ant,dupp_keys);
      goto end;
    }
    ant=0;
    while (mi_rprev(file,read_record3,0) == 0 &&
	   memcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys)
    {
      printf("prev: Found: %d records of %d\n",ant,dupp_keys);
      goto end;
    }

    /* Check of mi_rnext_same */
    if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      goto err;
    ant=1;
    while (!mi_rnext_same(file,read_record3) && ant < dupp_keys+10)
      ant++;
    if (ant != dupp_keys || my_errno != HA_ERR_END_OF_FILE)
    {
      printf("mi_rnext_same: Found: %d records of %d\n",ant,dupp_keys);
      goto end;
    }
  }

  if (!silent)
    printf("- All keys: first - next -> last - prev -> first\n");
  DBUG_PRINT("progpos",("All keys: first - next -> last - prev -> first"));
  ant=1;
  if (mi_rfirst(file,read_record,0))
  {
    printf("Can't find first record\n");
    goto end;
  }
  while ((error=mi_rnext(file,read_record3,0)) == 0 && ant < write_count+10)
    ant++;
  if (ant != write_count - opt_delete || error != HA_ERR_END_OF_FILE)
  {
    printf("next: I found: %d records of %d (error: %d)\n",
	   ant, write_count - opt_delete, error);
    goto end;
  }
  if (mi_rlast(file,read_record2,0) ||
      memcmp(read_record2,read_record3,reclength))
  {
    printf("Can't find last record\n");
    DBUG_DUMP("record2",(uchar*) read_record2,reclength);
    DBUG_DUMP("record3",(uchar*) read_record3,reclength);
    goto end;
  }
  ant=1;
  while (mi_rprev(file,read_record3,0) == 0 && ant < write_count+10)
    ant++;
  if (ant != write_count - opt_delete)
  {
    printf("prev: I found: %d records of %d\n",ant,write_count);
    goto end;
  }
  if (memcmp(read_record,read_record3,reclength))
  {
    printf("Can't find first record\n");
    goto end;
  }

  if (!silent)
    printf("- Test if: Read first - next - prev - prev - next == first\n");
  DBUG_PRINT("progpos",("- Read first - next - prev - prev - next == first"));
  if (mi_rfirst(file,read_record,0) ||
      mi_rnext(file,read_record3,0) ||
      mi_rprev(file,read_record3,0) ||
      mi_rprev(file,read_record3,0) == 0 ||
      mi_rnext(file,read_record3,0))
      goto err;
  if (memcmp(read_record,read_record3,reclength) != 0)
     printf("Can't find first record\n");

  if (!silent)
    printf("- Test if: Read last - prev - next - next - prev == last\n");
  DBUG_PRINT("progpos",("Read last - prev - next - next - prev == last"));
  if (mi_rlast(file,read_record2,0) ||
      mi_rprev(file,read_record3,0) ||
      mi_rnext(file,read_record3,0) ||
      mi_rnext(file,read_record3,0) == 0 ||
      mi_rprev(file,read_record3,0))
      goto err;
  if (memcmp(read_record2,read_record3,reclength))
     printf("Can't find last record\n");
#ifdef NOT_ANYMORE
  if (!silent)
    puts("- Test read key-part");
  strmov(key2,key);
  for(i=strlen(key2) ; i-- > 1 ;)
  {
    key2[i]=0;

    /* The following row is just to catch some bugs in the key code */
    bzero((char*) file->lastkey,file->s->base.max_key_length*2);
    if (mi_rkey(file,read_record,0,key2,(uint) i,HA_READ_PREFIX))
      goto err;
    if (memcmp(read_record+start,key,(uint) i))
    {
      puts("Didn't find right record");
      goto end;
    }
  }
#endif
  if (dupp_keys > 2)
  {
    if (!silent)
      printf("- Read key (first) - next - delete - next -> last\n");
    DBUG_PRINT("progpos",("first - next - delete - next -> last"));
    if (mi_rkey(file,read_record,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      goto err;
    if (mi_rnext(file,read_record3,0)) goto err;
    if (mi_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    while (mi_rnext(file,read_record3,0) == 0 &&
	   memcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-1)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-1);
      goto end;
    }
  }
  if (dupp_keys>4)
  {
    if (!silent)
      printf("- Read last of key - prev - delete - prev -> first\n");
    DBUG_PRINT("progpos",("last - prev - delete - prev -> first"));
    if (mi_rprev(file,read_record3,0)) goto err;
    if (mi_rprev(file,read_record3,0)) goto err;
    if (mi_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    while (mi_rprev(file,read_record3,0) == 0 &&
	   memcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-2)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-2);
      goto end;
    }
  }
  if (dupp_keys > 6)
  {
    if (!silent)
      printf("- Read first - delete - next -> last\n");
    DBUG_PRINT("progpos",("first - delete - next -> last"));
    if (mi_rkey(file,read_record3,0,key,HA_WHOLE_KEY,HA_READ_KEY_EXACT))
      goto err;
    if (mi_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    if (mi_rnext(file,read_record,0))
      goto err;					/* Skall finnas poster */
    while (mi_rnext(file,read_record3,0) == 0 &&
	   memcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-3)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-3);
      goto end;
    }

    if (!silent)
      printf("- Read last - delete - prev -> first\n");
    DBUG_PRINT("progpos",("last - delete - prev -> first"));
    if (mi_rprev(file,read_record3,0)) goto err;
    if (mi_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=0;
    while (mi_rprev(file,read_record3,0) == 0 &&
	   memcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-4)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-4);
      goto end;
    }
  }

  if (!silent)
    puts("- Test if: Read rrnd - same");
  DBUG_PRINT("progpos",("Read rrnd - same"));
  for (i=0 ; i < write_count ; i++)
  {
    if (mi_rrnd(file,read_record,i == 0 ? 0L : HA_OFFSET_ERROR) == 0)
      break;
  }
  if (i == write_count)
    goto err;

  bmove(read_record2,read_record,reclength);
  for (i=min(2,keys) ; i-- > 0 ;)
  {
    if (mi_rsame(file,read_record2,(int) i)) goto err;
    if (memcmp(read_record,read_record2,reclength) != 0)
    {
      printf("is_rsame didn't find same record\n");
      goto end;
    }
  }
  if (!silent)
    puts("- Test mi_records_in_range");
  mi_status(file,&info,HA_STATUS_VARIABLE);
  for (i=0 ; i < info.keys ; i++)
  {
    key_range min_key, max_key;
    if (mi_rfirst(file,read_record,(int) i) ||
	mi_rlast(file,read_record2,(int) i))
      goto err;
    copy_key(file,(uint) i,(uchar*) read_record,(uchar*) key);
    copy_key(file,(uint) i,(uchar*) read_record2,(uchar*) key2);
    min_key.key= key;
    min_key.keypart_map= HA_WHOLE_KEY;
    min_key.flag= HA_READ_KEY_EXACT;
    max_key.key= key2;
    max_key.keypart_map= HA_WHOLE_KEY;
    max_key.flag= HA_READ_AFTER_KEY;

    range_records= mi_records_in_range(file,(int) i, &min_key, &max_key);
    if (range_records < info.records*8/10 ||
	range_records > info.records*12/10)
    {
      printf("mi_records_range returned %ld; Should be about %ld\n",
	     (long) range_records,(long) info.records);
      goto end;
    }
    if (verbose)
    {
      printf("mi_records_range returned %ld;  Exact is %ld  (diff: %4.2g %%)\n",
	     (long) range_records, (long) info.records,
	     labs((long) range_records - (long) info.records)*100.0/
	     info.records);
    }
  }
  for (i=0 ; i < 5 ; i++)
  {
    for (j=rnd(1000)+1 ; j>0 && key1[j] == 0 ; j--) ;
    for (k=rnd(1000)+1 ; k>0 && key1[k] == 0 ; k--) ;
    if (j != 0 && k != 0)
    {
      key_range min_key, max_key;
      if (j > k)
	swap_variables(int, j, k);
      sprintf((char*) key,"%6d",j);
      sprintf((char*) key2,"%6d",k);

      min_key.key= key;
      min_key.length= USE_WHOLE_KEY;
      min_key.flag= HA_READ_AFTER_KEY;
      max_key.key= key2;
      max_key.length= USE_WHOLE_KEY;
      max_key.flag= HA_READ_BEFORE_KEY;
      range_records= mi_records_in_range(file, 0, &min_key, &max_key);
      records=0;
      for (j++ ; j < k ; j++)
	records+=key1[j];
      if ((long) range_records < (long) records*7/10-2 ||
	  (long) range_records > (long) records*14/10+2)
      {
	printf("mi_records_range for key: %d returned %lu; Should be about %lu\n",
	       i, (ulong) range_records, (ulong) records);
	goto end;
      }
      if (verbose && records)
      {
	printf("mi_records_range returned %lu;  Exact is %lu  (diff: %4.2g %%)\n",
	       (ulong) range_records, (ulong) records,
	       labs((long) range_records-(long) records)*100.0/records);

      }
    }
    }

  if (!silent)
    printf("- mi_info\n");
  mi_status(file,&info,HA_STATUS_VARIABLE | HA_STATUS_CONST);
  if (info.records != write_count-opt_delete || info.deleted > opt_delete + update
      || info.keys != keys)
  {
    puts("Wrong info from mi_info");
    printf("Got: records: %lu  delete: %lu  i_keys: %d\n",
	   (ulong) info.records, (ulong) info.deleted, info.keys);
  }
  if (verbose)
  {
    char buff[80];
    get_date(buff,3,info.create_time);
    printf("info: Created %s\n",buff);
    get_date(buff,3,info.check_time);
    printf("info: checked %s\n",buff);
    get_date(buff,3,info.update_time);
    printf("info: Modified %s\n",buff);
  }

  mi_panic(HA_PANIC_WRITE);
  mi_panic(HA_PANIC_READ);
  if (mi_is_changed(file))
    puts("Warning: mi_is_changed reported that datafile was changed");

  if (!silent)
    printf("- mi_extra(CACHE) + mi_rrnd.... + mi_extra(NO_CACHE)\n");
  if (mi_reset(file) || mi_extra(file,HA_EXTRA_CACHE,0))
  {
    if (locking || (!use_blob && !pack_fields))
    {
      puts("got error from mi_extra(HA_EXTRA_CACHE)");
      goto end;
    }
  }
  ant=0;
  while ((error=mi_rrnd(file,record,HA_OFFSET_ERROR)) != HA_ERR_END_OF_FILE &&
	 ant < write_count + 10)
	ant+= error ? 0 : 1;
  if (ant != write_count-opt_delete)
  {
    printf("rrnd with cache: I can only find: %d records of %d\n",
	   ant,write_count-opt_delete);
    goto end;
  }
  if (mi_extra(file,HA_EXTRA_NO_CACHE,0))
  {
    puts("got error from mi_extra(HA_EXTRA_NO_CACHE)");
    goto end;
  }

  ant=0;
  mi_scan_init(file);
  while ((error=mi_scan(file,record)) != HA_ERR_END_OF_FILE &&
	 ant < write_count + 10)
	ant+= error ? 0 : 1;
  if (ant != write_count-opt_delete)
  {
    printf("scan with cache: I can only find: %d records of %d\n",
	   ant,write_count-opt_delete);
    goto end;
  }

  if (testflag == 4) goto end;

  if (!silent)
    printf("- Removing keys\n");
  DBUG_PRINT("progpos",("Removing keys"));
  lastpos = HA_OFFSET_ERROR;
  /* DBUG_POP(); */
  mi_reset(file);
  found_parts=0;
  while ((error=mi_rrnd(file,read_record,HA_OFFSET_ERROR)) !=
	 HA_ERR_END_OF_FILE)
  {
    info.recpos=mi_position(file);
    if (lastpos >= info.recpos && lastpos != HA_OFFSET_ERROR)
    {
      printf("mi_rrnd didn't advance filepointer; old: %ld, new: %ld\n",
	     (long) lastpos, (long) info.recpos);
      goto err;
    }
    lastpos=info.recpos;
    if (error == 0)
    {
      if (opt_delete == (uint) remove_count)		/* While testing */
	goto end;
      if (mi_rsame(file,read_record,-1))
      {
	printf("can't find record %lx\n",(long) info.recpos);
	goto err;
      }
      if (use_blob)
      {
	ulong blob_length,pos;
	uchar *ptr;
	longget(blob_length,read_record+blob_pos+4);
	ptr=(uchar*) blob_length;
	longget(blob_length,read_record+blob_pos);
	for (pos=0 ; pos < blob_length ; pos++)
	{
	  if (ptr[pos] != (uchar) (blob_length+pos))
	  {
	    printf("found blob with wrong info at %ld\n",(long) lastpos);
	    use_blob=0;
	    break;
	  }
	}
      }
      if (mi_delete(file,read_record))
      {
	printf("can't delete record: %6.6s,  delete_count: %d\n",
	       read_record, opt_delete);
	goto err;
      }
      opt_delete++;
    }
    else
      found_parts++;
  }
  if (my_errno != HA_ERR_END_OF_FILE && my_errno != HA_ERR_RECORD_DELETED)
    printf("error: %d from mi_rrnd\n",my_errno);
  if (write_count != opt_delete)
  {
    printf("Deleted only %d of %d records (%d parts)\n",opt_delete,write_count,
	   found_parts);
    goto err;
  }
end:
  if (mi_close(file))
    goto err;
  mi_panic(HA_PANIC_CLOSE);			/* Should close log */
  if (!silent)
  {
    printf("\nFollowing test have been made:\n");
    printf("Write records: %d\nUpdate records: %d\nSame-key-read: %d\nDelete records: %d\n", write_count,update,dupp_keys,opt_delete);
    if (rec_pointer_size)
      printf("Record pointer size:  %d\n",rec_pointer_size);
    printf("myisam_block_size:    %lu\n", myisam_block_size);
    if (key_cacheing)
    {
      puts("Key cache used");
      printf("key_cache_block_size: %u\n", key_cache_block_size);
      if (write_cacheing)
	puts("Key cache resized");
    }
    if (write_cacheing)
      puts("Write cacheing used");
    if (write_cacheing)
      puts("quick mode");
    if (async_io && locking)
      puts("Asyncron io with locking used");
    else if (locking)
      puts("Locking used");
    if (use_blob)
      puts("blobs used");
    printf("key cache status: \n\
blocks used:%10lu\n\
not flushed:%10lu\n\
w_requests: %10lu\n\
writes:     %10lu\n\
r_requests: %10lu\n\
reads:      %10lu\n",
           dflt_key_cache->blocks_used,
           dflt_key_cache->global_blocks_changed,
           (ulong) dflt_key_cache->global_cache_w_requests,
           (ulong) dflt_key_cache->global_cache_write,
           (ulong) dflt_key_cache->global_cache_r_requests,
           (ulong) dflt_key_cache->global_cache_read);
  }
Пример #5
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;
}
Пример #6
0
int main(int argc, char *argv[])
{
  uint i;
  int j,n1,n2,n3,error,k;
  uint write_count,update,dupp_keys,opt_delete,start,length,blob_pos,
       reclength,ant;
  ulong lastpos,range_records,records;
  N_INFO *file;
  N_KEYDEF keyinfo[10];
  N_RECINFO recinfo[10];
  N_ISAMINFO info;
  char *filename,*blob_buffer;
  MY_INIT(argv[0]);

  filename= (char*) "test2.ISM";
  get_options(argc,argv);
  if (! async_io)
    my_disable_async_io=1;

  reclength=STANDAR_LENGTH+60+(use_blob ? 8 : 0);
  blob_pos=STANDAR_LENGTH+60;
  keyinfo[0].seg[0].base.start=0;
  keyinfo[0].seg[0].base.length=6;
  keyinfo[0].seg[0].base.type=HA_KEYTYPE_TEXT;
  keyinfo[0].seg[0].base.flag=(uint8) pack_type;
  keyinfo[0].seg[1].base.type=0;
  keyinfo[0].base.flag = (uint8) (pack_type ? HA_PACK_KEY : 0);
  keyinfo[1].seg[0].base.start=7;
  keyinfo[1].seg[0].base.length=6;
  keyinfo[1].seg[0].base.type=HA_KEYTYPE_BINARY;
  keyinfo[1].seg[0].base.flag=0;
  keyinfo[1].seg[1].base.start=0;			/* Tv}delad nyckel */
  keyinfo[1].seg[1].base.length=6;
  keyinfo[1].seg[1].base.type=HA_KEYTYPE_NUM;
  keyinfo[1].seg[1].base.flag=HA_REVERSE_SORT;
  keyinfo[1].seg[2].base.type=0;
  keyinfo[1].base.flag =0;
  keyinfo[2].seg[0].base.start=12;
  keyinfo[2].seg[0].base.length=8;
  keyinfo[2].seg[0].base.type=HA_KEYTYPE_BINARY;
  keyinfo[2].seg[0].base.flag=HA_REVERSE_SORT;
  keyinfo[2].seg[1].base.type=0;
  keyinfo[2].base.flag =HA_NOSAME;
  keyinfo[3].seg[0].base.start=0;
  keyinfo[3].seg[0].base.length=reclength-(use_blob ? 8 : 0);
  keyinfo[3].seg[0].base.type=HA_KEYTYPE_TEXT;
  keyinfo[3].seg[0].base.flag=(uint8) pack_type;
  keyinfo[3].seg[1].base.type=0;
  keyinfo[3].base.flag = (uint8) (pack_type ? HA_PACK_KEY : 0);
  keyinfo[4].seg[0].base.start=0;
  keyinfo[4].seg[0].base.length=5;
  keyinfo[4].seg[0].base.type=HA_KEYTYPE_TEXT;
  keyinfo[4].seg[0].base.flag=0;
  keyinfo[4].seg[1].base.type=0;
  keyinfo[4].base.flag = (uint8) (pack_type ? HA_PACK_KEY : 0);
  keyinfo[5].seg[0].base.start=0;
  keyinfo[5].seg[0].base.length=4;
  keyinfo[5].seg[0].base.type=HA_KEYTYPE_TEXT;
  keyinfo[5].seg[0].base.flag=(uint8) pack_type;
  keyinfo[5].seg[1].base.type=0;
  keyinfo[5].base.flag = (uint8) (pack_type ? HA_PACK_KEY : 0);

  recinfo[0].base.type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[0].base.length=7;
  recinfo[1].base.type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[1].base.length=5;
  recinfo[2].base.type=pack_fields ? FIELD_SKIP_PRESPACE : 0;
  recinfo[2].base.length=9;
  recinfo[3].base.type=FIELD_NORMAL;
  recinfo[3].base.length=STANDAR_LENGTH-7-5-9-4;
  recinfo[4].base.type=pack_fields ? FIELD_SKIP_ZERO : 0;
  recinfo[4].base.length=4;
  recinfo[5].base.type=pack_fields ? FIELD_SKIP_ENDSPACE : 0;
  recinfo[5].base.length=60;
  if (use_blob)
  {
    recinfo[6].base.type=FIELD_BLOB;
    recinfo[6].base.length=4+sizeof(char*);	/* 4 byte ptr, 4 byte length */
    recinfo[7].base.type= FIELD_LAST;
  }
  else
    recinfo[6].base.type= FIELD_LAST;

  write_count=update=dupp_keys=opt_delete=0;
  blob_buffer=0;

  for (i=999 ; i>0 ; i--) key1[i]=0;
  for (i=4999 ; i>0 ; i--) key3[i]=0;

  printf("- Creating isam-file\n");
  /*  DBUG_PUSH(""); */
  my_delete(filename,MYF(0));		/* Remove old locks under gdb */
  file= 0;
  if (nisam_create(filename,keys,&keyinfo[first_key],&recinfo[0],
		   (ulong) (rec_pointer_size ? (1L << (rec_pointer_size*8))/
			    reclength : 0),100l,0,0,0L))
    goto err;
  if (use_log)
    nisam_log(1);
  if (!(file=nisam_open(filename,2,HA_OPEN_ABORT_IF_LOCKED)))
    goto err;
  printf("- Writing key:s\n");
  if (key_cacheing)
    init_key_cache(IO_SIZE*16);		/* Use a small cache */
  if (locking)
    nisam_lock_database(file,F_WRLCK);
  if (write_cacheing)
    nisam_extra(file,HA_EXTRA_WRITE_CACHE);

  for (i=0 ; i < recant ; i++)
  {
    n1=rnd(1000); n2=rnd(100); n3=rnd(5000);
    sprintf(record,"%6d:%4d:%8d:Pos: %4d    ",n1,n2,n3,write_count);
    longstore(record+STANDAR_LENGTH-4,(long) i);
    fix_length(record,(uint) STANDAR_LENGTH+rnd(60));
    put_blob_in_record(record+blob_pos,&blob_buffer);
    DBUG_PRINT("test",("record: %d",i));

    if (nisam_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 && first_key <3 && first_key+keys >= 3)
      {
	printf("Error: Didn't get error when writing second key: '%8d'\n",n3);
	goto err;
      }
      write_count++; key1[n1]++; key3[n3]=1;
    }

    /* Check if we can find key without flushing database */
    if (i == recant/2)
    {
      for (j=rnd(1000) ; j>0 && key1[j] == 0 ; j--) ;
      if (!j)
	for (j=999 ; j>0 && key1[j] == 0 ; j--) ;
      sprintf(key,"%6d",j);
      if (nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT))
      {
	printf("Test in loop: Can't find key: \"%s\"\n",key);
	goto err;
      }
    }
  }
  if (testflag==1) goto end;

  if (write_cacheing)
    if (nisam_extra(file,HA_EXTRA_NO_CACHE))
    {
      puts("got error from nisam_extra(HA_EXTRA_NO_CACHE)");
      goto end;
    }

  printf("- Delete\n");
  for (i=0 ; i<recant/10 ; i++)
  {
    for (j=rnd(1000) ; j>0 && key1[j] == 0 ; j--) ;
    if (j != 0)
    {
      sprintf(key,"%6d",j);
      if (nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT))
      {
	printf("can't find key1: \"%s\"\n",key);
	goto err;
      }
      if (nisam_delete(file,read_record))
      {
	printf("error: %d; can't delete record: \"%s\"\n", my_errno,read_record);
	goto err;
      }
      opt_delete++;
      key1[atoi(read_record+keyinfo[0].seg[0].base.start)]--;
      key3[atoi(read_record+keyinfo[2].seg[0].base.start)]=0;
    }
  }
  if (testflag==2) goto end;

  printf("- Update\n");
  for (i=0 ; i<recant/10 ; i++)
  {
    n1=rnd(1000); n2=rnd(100); n3=rnd(5000);
    sprintf(record2,"%6d:%4d:%8d:XXX: %4d     ",n1,n2,n3,update);
    longstore(record2+STANDAR_LENGTH-4,(long) i);
    fix_length(record2,(uint) STANDAR_LENGTH+rnd(60));

    for (j=rnd(1000) ; j>0 && key1[j] == 0 ; j--) ;
    if (j != 0)
    {
      sprintf(key,"%6d",j);
      if (nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT))
      {
	printf("can't find key1: \"%s\"\n",key);
	goto err;
      }
      if (use_blob)
      {
	if (i & 1)
	  put_blob_in_record(record+blob_pos,&blob_buffer);
	else
	  bmove(record+blob_pos,read_record+blob_pos,8);
      }
      if (nisam_update(file,read_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,read_record,record2);
	  goto err;
	}
	if (verbose)
	  printf("Double key when tried to update:\nFrom: \"%s\"\nTo:   \"%s\"\n",record,record2);
      }
      else
      {
	key1[atoi(read_record+keyinfo[0].seg[0].base.start)]--;
	key3[atoi(read_record+keyinfo[2].seg[0].base.start)]=0;
	key1[n1]++; key3[n3]=1;
	update++;
      }
    }
  }
  if (testflag==3) goto end;

  printf("- Same key: first - next -> last - prev -> first\n");
  DBUG_PRINT("progpos",("first - next -> last - prev -> first"));
  for (i=999, dupp_keys=j=0 ; i>0 ; i--)
  {
    if (key1[i] >dupp_keys) { dupp_keys=key1[i]; j=i; }
  }
  sprintf(key,"%6d",j);
  if (verbose) printf("	 Using key: \"%s\"  Keys: %d\n",key,dupp_keys);
  if (nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT)) goto err;
  if (nisam_rsame(file,read_record2,-1)) goto err;
  if (memcmp(read_record,read_record2,reclength) != 0)
  {
    printf("nisam_rsame didn't find same record\n");
    goto end;
  }
  nisam_info(file,&info,0);
  if (nisam_rfirst(file,read_record2,0) ||
      nisam_rsame_with_pos(file,read_record2,0,info.recpos) ||
      memcmp(read_record,read_record2,reclength) != 0)
  {
    printf("nisam_rsame_with_pos didn't find same record\n");
    goto end;
  }
  {
    int skr=nisam_rnext(file,read_record2,0);
    if ((skr && my_errno != HA_ERR_END_OF_FILE) ||
	nisam_rprev(file,read_record2,-1) ||
	memcmp(read_record,read_record2,reclength) != 0)
    {
      printf("nisam_rsame_with_pos lost position\n");
      goto end;
    }
  }
  ant=1;
  start=keyinfo[0].seg[0].base.start; length=keyinfo[0].seg[0].base.length;
  while (nisam_rnext(file,read_record2,0) == 0 &&
	 memcmp(read_record2+start,key,length) == 0) ant++;
  if (ant != dupp_keys)
  {
    printf("next: I can only find: %d keys of %d\n",ant,dupp_keys);
    goto end;
  }
  ant=0;
  while (nisam_rprev(file,read_record3,0) == 0 &&
	 bcmp(read_record3+start,key,length) == 0) ant++;
  if (ant != dupp_keys)
  {
    printf("prev: I can only find: %d records of %d\n",ant,dupp_keys);
    goto end;
  }

  printf("- All keys: first - next -> last - prev -> first\n");
  DBUG_PRINT("progpos",("All keys: first - next -> last - prev -> first"));
  ant=1;
  if (nisam_rfirst(file,read_record,0))
  {
    printf("Can't find first record\n");
    goto end;
  }
  while (nisam_rnext(file,read_record3,0) == 0 && ant < write_count+10)
    ant++;
  if (ant != write_count - opt_delete)
  {
    printf("next: I found: %d records of %d\n",ant,write_count - opt_delete);
    goto end;
  }
  if (nisam_rlast(file,read_record2,0) ||
      bcmp(read_record2,read_record3,reclength))
  {
    printf("Can't find last record\n");
    DBUG_DUMP("record2",(byte*) read_record2,reclength);
    DBUG_DUMP("record3",(byte*) read_record3,reclength);
    goto end;
  }
  ant=1;
  while (nisam_rprev(file,read_record3,0) == 0 && ant < write_count+10)
    ant++;
  if (ant != write_count - opt_delete)
  {
    printf("prev: I found: %d records of %d\n",ant,write_count);
    goto end;
  }
  if (bcmp(read_record,read_record3,reclength))
  {
    printf("Can't find first record\n");
    goto end;
  }

  printf("- Test if: Read first - next - prev - prev - next == first\n");
  DBUG_PRINT("progpos",("- Read first - next - prev - prev - next == first"));
  if (nisam_rfirst(file,read_record,0) ||
      nisam_rnext(file,read_record3,0) ||
      nisam_rprev(file,read_record3,0) ||
      nisam_rprev(file,read_record3,0) == 0 ||
      nisam_rnext(file,read_record3,0))
      goto err;
  if (bcmp(read_record,read_record3,reclength) != 0)
     printf("Can't find first record\n");

  printf("- Test if: Read last - prev - next - next - prev == last\n");
  DBUG_PRINT("progpos",("Read last - prev - next - next - prev == last"));
  if (nisam_rlast(file,read_record2,0) ||
      nisam_rprev(file,read_record3,0) ||
      nisam_rnext(file,read_record3,0) ||
      nisam_rnext(file,read_record3,0) == 0 ||
      nisam_rprev(file,read_record3,0))
      goto err;
  if (bcmp(read_record2,read_record3,reclength))
     printf("Can't find last record\n");

  puts("- Test read key-part");
  strmov(key2,key);
  for(i=strlen(key2) ; i-- > 1 ;)
  {
    key2[i]=0;
    if (nisam_rkey(file,read_record,0,key2,(uint) i,HA_READ_KEY_EXACT)) goto err;
    if (bcmp(read_record+start,key,(uint) i))
    {
      puts("Didn't find right record");
      goto end;
    }
  }
  if (dupp_keys > 2)
  {
    printf("- Read key (first) - next - delete - next -> last\n");
    DBUG_PRINT("progpos",("first - next - delete - next -> last"));
    if (nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT)) goto err;
    if (nisam_rnext(file,read_record3,0)) goto err;
    if (nisam_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    while (nisam_rnext(file,read_record3,0) == 0 &&
	   bcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-1)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-1);
      goto end;
    }
  }
  if (dupp_keys>4)
  {
    printf("- Read last of key - prev - delete - prev -> first\n");
    DBUG_PRINT("progpos",("last - prev - delete - prev -> first"));
    if (nisam_rprev(file,read_record3,0)) goto err;
    if (nisam_rprev(file,read_record3,0)) goto err;
    if (nisam_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    while (nisam_rprev(file,read_record3,0) == 0 &&
	   bcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-2)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-2);
      goto end;
    }
  }
  if (dupp_keys > 6)
  {
    printf("- Read first - delete - next -> last\n");
    DBUG_PRINT("progpos",("first - delete - next -> last"));
    if (nisam_rkey(file,read_record3,0,key,0,HA_READ_KEY_EXACT)) goto err;
    if (nisam_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=1;
    if (nisam_rnext(file,read_record,0))
      goto err;					/* Skall finnas poster */
    while (nisam_rnext(file,read_record3,0) == 0 &&
	   bcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-3)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-3);
      goto end;
    }

    printf("- Read last - delete - prev -> first\n");
    DBUG_PRINT("progpos",("last - delete - prev -> first"));
    if (nisam_rprev(file,read_record3,0)) goto err;
    if (nisam_delete(file,read_record3)) goto err;
    opt_delete++;
    ant=0;
    while (nisam_rprev(file,read_record3,0) == 0 &&
	   bcmp(read_record3+start,key,length) == 0) ant++;
    if (ant != dupp_keys-4)
    {
      printf("next: I can only find: %d keys of %d\n",ant,dupp_keys-4);
      goto end;
    }
  }

  puts("- Test if: Read rrnd - same");
  DBUG_PRINT("progpos",("Read rrnd - same"));
  for (i=0 ; i < write_count ; i++)
  {
    if (nisam_rrnd(file,read_record,i == 0 ? 0L : NI_POS_ERROR) == 0)
      break;
  }
  if (i == write_count)
    goto err;

  bmove(read_record2,read_record,reclength);
  for (i=2 ; i-- > 0 ;)
  {
    if (nisam_rsame(file,read_record2,(int) i)) goto err;
    if (bcmp(read_record,read_record2,reclength) != 0)
    {
      printf("is_rsame didn't find same record\n");
      goto end;
    }
  }
  puts("- Test nisam_records_in_range");
  nisam_info(file,&info,HA_STATUS_VARIABLE);
  for (i=0 ; i < info.keys ; i++)
  {
    if (nisam_rfirst(file,read_record,(int) i) ||
	nisam_rlast(file,read_record2,(int) i))
      goto err;
    copy_key(file,(uint) i,(uchar*) read_record,(uchar*) key);
    copy_key(file,(uint) i,(uchar*) read_record2,(uchar*) key2);
    range_records=nisam_records_in_range(file,(int) i,key,0,HA_READ_KEY_EXACT,
				      key2,0,HA_READ_AFTER_KEY);
    if (range_records < info.records*8/10 ||
	range_records > info.records*12/10)
    {
      printf("ni_records_range returned %lu; Should be about %lu\n",
	     range_records,info.records);
      goto end;
    }
    if (verbose)
    {
      printf("ni_records_range returned %ld;  Exact is %ld  (diff: %4.2g %%)\n",
	     range_records,info.records,
	     labs((long) range_records - (long) info.records)*100.0/
	     info.records);

    }
  }
  for (i=0 ; i < 5 ; i++)
  {
    for (j=rnd(1000) ; j>0 && key1[j] == 0 ; j--) ;
    for (k=rnd(1000) ; k>0 && key1[k] == 0 ; k--) ;
    if (j != 0 && k != 0)
    {
      if (j > k)
	swap(int,j,k);
      sprintf(key,"%6d",j);
      sprintf(key2,"%6d",k);
      range_records=nisam_records_in_range(file,0,key,0,HA_READ_AFTER_KEY,
					key2,0,HA_READ_BEFORE_KEY);
      records=0;
      for (j++ ; j < k ; j++)
	records+=key1[j];
      if ((long) range_records < (long) records*7/10-2 ||
	  (long) range_records > (long) records*13/10+2)
      {
	printf("ni_records_range returned %ld; Should be about %ld\n",
	       range_records,records);
	goto end;
      }
      if (verbose && records)
      {
	printf("ni_records_range returned %ld;  Exact is %ld  (diff: %4.2g %%)\n",
	       range_records,records,
	       labs((long) range_records-(long) records)*100.0/records);

      }
    }
    }

  printf("- nisam_info\n");
  nisam_info(file,&info,0);
  if (info.records != write_count-opt_delete || info.deleted > opt_delete + update
      || info.keys != keys)
  {
    puts("Wrong info from nisam_info");
    printf("Got: records: %ld  opt_delete: %ld  i_keys: %d\n",
	   info.records,info.deleted,info.keys);
  }
  if (verbose)
  {
    char buff[80];
    get_date(buff,3,info.create_time);
    printf("info: Created %s\n",buff);
    get_date(buff,3,info.isamchk_time);
    printf("info: checked %s\n",buff);
    get_date(buff,3,info.update_time);
    printf("info: Modified %s\n",buff);
  }

  nisam_panic(HA_PANIC_WRITE);
  nisam_panic(HA_PANIC_READ);
  if (nisam_is_changed(file))
    puts("Warning: nisam_is_changed reported that datafile was changed");

  printf("- nisam_extra(CACHE) + nisam_rrnd.... + nisam_extra(NO_CACHE)\n");
  if (nisam_extra(file,HA_EXTRA_RESET) || nisam_extra(file,HA_EXTRA_CACHE))
  {
    if (locking || (!use_blob && !pack_fields))
    {
      puts("got error from nisam_extra(HA_EXTRA_CACHE)");
      goto end;
    }
  }
  ant=0;
  while ((error=nisam_rrnd(file,record,NI_POS_ERROR)) >= 0 &&
	 ant < write_count + 10)
	ant+= error ? 0 : 1;
  if (ant != write_count-opt_delete)
  {
    printf("rrnd with cache: I can only find: %d records of %d\n",
	   ant,write_count-opt_delete);
    goto end;
  }
  if (nisam_extra(file,HA_EXTRA_NO_CACHE))
  {
    puts("got error from nisam_extra(HA_EXTRA_NO_CACHE)");
    goto end;
  }

  if (testflag == 4) goto end;

  printf("- Removing keys\n");
  lastpos = NI_POS_ERROR;
  /* DBUG_POP(); */
  nisam_extra(file,HA_EXTRA_RESET);
  while ((error=nisam_rrnd(file,read_record,NI_POS_ERROR)) >=0)
  {
    nisam_info(file,&info,1);
    if (lastpos >= info.recpos && lastpos != NI_POS_ERROR)
    {
      printf("nisam_rrnd didn't advance filepointer; old: %ld, new: %ld\n",
	     lastpos,info.recpos);
      goto err;
    }
    lastpos=info.recpos;
    if (error == 0)
    {
      if (nisam_rsame(file,read_record,-1))
      {
	printf("can't find record %lx\n",info.recpos);
	goto err;
      }
      if (use_blob)
      {
	ulong blob_length,pos;
	uchar *ptr;
	longget(blob_length,read_record+blob_pos+4);
	ptr=(uchar*) blob_length;
	longget(blob_length,read_record+blob_pos);
	for (pos=0 ; pos < blob_length ; pos++)
	{
	  if (ptr[pos] != (uchar) (blob_length+pos))
	  {
	    printf("found blob with wrong info at %ld\n",lastpos);
	    use_blob=0;
	    break;
	  }
	}
      }
      if (nisam_delete(file,read_record))
      {
	printf("can't delete record: %s\n",read_record);
	goto err;
      }
      opt_delete++;
    }
  }
  if (my_errno != HA_ERR_END_OF_FILE && my_errno != HA_ERR_RECORD_DELETED)
    printf("error: %d from nisam_rrnd\n",my_errno);
  if (write_count != opt_delete)
  {
    printf("Deleted only %d of %d records\n",write_count,opt_delete);
    goto err;
  }
end:
  if (nisam_close(file))
    goto err;
  nisam_panic(HA_PANIC_CLOSE);			/* Should close log */
  printf("\nFollowing test have been made:\n");
  printf("Write records: %d\nUpdate records: %d\nSame-key-read: %d\nDelete records: %d\n", write_count,update,dupp_keys,opt_delete);
  if (rec_pointer_size)
    printf("Record pointer size: %d\n",rec_pointer_size);
  if (key_cacheing)
    puts("Key cacheing used");
  if (write_cacheing)
    puts("Write cacheing used");
  if (async_io && locking)
    puts("Asyncron io with locking used");
  else if (locking)
    puts("Locking used");
  if (use_blob)
    puts("blobs used");
  end_key_cache();
  if (blob_buffer)
    my_free(blob_buffer,MYF(0));
  my_end(MY_CHECK_ERROR | MY_GIVE_INFO);
  return(0);
err:
  printf("got error: %d when using NISAM-database\n",my_errno);
  if (file)
    VOID(nisam_close(file));
  return(1);
} /* main */
Пример #7
0
static int examine_log(my_string file_name, char **table_names)
{
  uint command,result,files_open;
  ulong access_time,length;
  my_off_t filepos;
  int lock_command,mi_result;
  char isam_file_name[FN_REFLEN],llbuff[21],llbuff2[21];
  uchar head[20];
  gptr	buff;
  struct test_if_open_param open_param;
  IO_CACHE cache;
  File file;
  FILE *write_file;
  enum ha_extra_function extra_command;
  TREE tree;
  struct file_info file_info,*curr_file_info;
  DBUG_ENTER("examine_log");

  if ((file=my_open(file_name,O_RDONLY,MYF(MY_WME))) < 0)
    DBUG_RETURN(1);
  write_file=0;
  if (write_filename)
  {
    if (!(write_file=my_fopen(write_filename,O_WRONLY,MYF(MY_WME))))
    {
      my_close(file,MYF(0));
      DBUG_RETURN(1);
    }
  }

  init_io_cache(&cache,file,0,READ_CACHE,start_offset,0,MYF(0));
  bzero((gptr) com_count,sizeof(com_count));
  init_tree(&tree,0,0,sizeof(file_info),(qsort_cmp2) file_info_compare,1,
	    (tree_element_free) file_info_free, NULL);
  VOID(init_key_cache(KEY_CACHE_SIZE));

  files_open=0; access_time=0;
  while (access_time++ != number_of_commands &&
	 !my_b_read(&cache,(byte*) head,9))
  {
    isamlog_filepos=my_b_tell(&cache)-9L;
    file_info.filenr= mi_uint2korr(head+1);
    isamlog_process=file_info.process=(long) mi_uint4korr(head+3);
    if (!opt_processes)
      file_info.process=0;
    result= mi_uint2korr(head+7);
    if ((curr_file_info=(struct file_info*) tree_search(&tree,&file_info)))
    {
      curr_file_info->accessed=access_time;
      if (update && curr_file_info->used && curr_file_info->closed)
      {
	if (reopen_closed_file(&tree,curr_file_info))
	{
	  command=sizeof(com_count)/sizeof(com_count[0][0])/3;
	  result=0;
	  goto com_err;
	}
      }
    }
    command=(uint) head[0];
    if (command < sizeof(com_count)/sizeof(com_count[0][0])/3 &&
	(!table_names[0] || (curr_file_info && curr_file_info->used)))
    {
      com_count[command][0]++;
      if (result)
	com_count[command][1]++;
    }
    switch ((enum myisam_log_commands) command) {
    case MI_LOG_OPEN:
      if (!table_names[0])
      {
	com_count[command][0]--;		/* Must be counted explicite */
	if (result)
	  com_count[command][1]--;
      }

      if (curr_file_info)
	printf("\nWarning: %s is opened with same process and filenumber\nMaybe you should use the -P option ?\n",
	       curr_file_info->show_name);
      if (my_b_read(&cache,(byte*) head,2))
	goto err;
      file_info.name=0;
      file_info.show_name=0;
      file_info.record=0;
      if (read_string(&cache,(gptr*) &file_info.name,
		      (uint) mi_uint2korr(head)))
	goto err;
      {
	uint i;
	char *pos,*to;

	/* Fix if old DOS files to new format */
	for (pos=file_info.name; (pos=strchr(pos,'\\')) ; pos++)
	  *pos= '/';

	pos=file_info.name;
	for (i=0 ; i < prefix_remove ; i++)
	{
	  char *next;
	  if (!(next=strchr(pos,'/')))
	    break;
	  pos=next+1;
	}
	to=isam_file_name;
	if (filepath)
	  to=convert_dirname(isam_file_name,filepath,NullS);
	strmov(to,pos);
	fn_ext(isam_file_name)[0]=0;	/* Remove extension */
      }
      open_param.name=file_info.name;
      open_param.max_id=0;
      VOID(tree_walk(&tree,(tree_walk_action) test_if_open,(void*) &open_param,
		     left_root_right));
      file_info.id=open_param.max_id+1;
      /*
       * In the line below +10 is added to accomodate '<' and '>' chars
       * plus '\0' at the end, so that there is place for 7 digits.
       * It is  improbable that same table can have that many entries in 
       * the table cache.
       * The additional space is needed for the sprintf commands two lines
       * below.
       */ 
      file_info.show_name=my_memdup(isam_file_name,
				    (uint) strlen(isam_file_name)+10,
				    MYF(MY_WME));
      if (file_info.id > 1)
	sprintf(strend(file_info.show_name),"<%d>",file_info.id);
      file_info.closed=1;
      file_info.accessed=access_time;
      file_info.used=1;
      if (table_names[0])
      {
	char **name;
	file_info.used=0;
	for (name=table_names ; *name ; name++)
	{
	  if (!strcmp(*name,isam_file_name))
	    file_info.used=1;			/* Update/log only this */
	}
      }
      if (update && file_info.used)
      {
	if (files_open >= max_files)
	{
	  if (close_some_file(&tree))
	    goto com_err;
	  files_open--;
	}
	if (!(file_info.isam= mi_open(isam_file_name,O_RDWR,
				      HA_OPEN_WAIT_IF_LOCKED)))
	  goto com_err;
	if (!(file_info.record=my_malloc(file_info.isam->s->base.reclength,
					 MYF(MY_WME))))
	  goto end;
	files_open++;
	file_info.closed=0;
	if (opt_myisam_with_debug)
	  file_info.isam->s->rnd= 0;
	else
	  file_info.isam->s->rnd= isamlog_process;
      }
      VOID(tree_insert(&tree,(gptr) &file_info,0));
      if (file_info.used)
      {
	if (verbose && !record_pos_file)
	  printf_log("%s: open -> %d",file_info.show_name, file_info.filenr);
	com_count[command][0]++;
	if (result)
	  com_count[command][1]++;
      }
      break;
    case MI_LOG_CLOSE:
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s -> %d",FILENAME(curr_file_info),
	       command_name[command],result);
      if (curr_file_info)
      {
	if (!curr_file_info->closed)
	  files_open--;
	VOID(tree_delete(&tree,(gptr) curr_file_info));
      }
      break;
    case MI_LOG_EXTRA:
      if (my_b_read(&cache,(byte*) head,1))
	goto err;
      extra_command=(enum ha_extra_function) head[0];
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s(%d) -> %d",FILENAME(curr_file_info),
		   command_name[command], (int) extra_command,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_extra(curr_file_info->isam, extra_command, 0) != (int) result)
	{
	  fflush(stdout);
	  VOID(fprintf(stderr,
		       "Warning: error %d, expected %d on command %s at %s\n",
		       my_errno,result,command_name[command],
		       llstr(isamlog_filepos,llbuff)));
	  fflush(stderr);
	}
      }
      break;
    case MI_LOG_DELETE:
      if (my_b_read(&cache,(byte*) head,8))
	goto err;
      filepos=mi_sizekorr(head);
      if (verbose && (!record_pos_file ||
		      ((record_pos == filepos || record_pos == NO_FILEPOS) &&
		       !cmp_filename(curr_file_info,record_pos_file))) &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s at %ld -> %d",FILENAME(curr_file_info),
		   command_name[command],(long) filepos,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos))
	{
	  if (!recover)
	    goto com_err;
	  if (verbose)
	    printf_log("error: Didn't find row to delete with mi_rrnd");
	  com_count[command][2]++;		/* Mark error */
	}
	mi_result=mi_delete(curr_file_info->isam,curr_file_info->record);
	if ((mi_result == 0 && result) ||
	    (mi_result && (uint) my_errno != result))
	{
	  if (!recover)
	    goto com_err;
	  if (mi_result)
	    com_count[command][2]++;		/* Mark error */
	  if (verbose)
	    printf_log("error: Got result %d from mi_delete instead of %d",
		       mi_result, result);
	}
      }
      break;
    case MI_LOG_WRITE:
    case MI_LOG_UPDATE:
      if (my_b_read(&cache,(byte*) head,12))
	goto err;
      filepos=mi_sizekorr(head);
      length=mi_uint4korr(head+8);
      buff=0;
      if (read_string(&cache,&buff,(uint) length))
	goto err;
      if ((!record_pos_file ||
	  ((record_pos == filepos || record_pos == NO_FILEPOS) &&
	   !cmp_filename(curr_file_info,record_pos_file))) &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
      {
	if (write_file &&
	    (my_fwrite(write_file,buff,length,MYF(MY_WAIT_IF_FULL | MY_NABP))))
	  goto end;
	if (verbose)
	  printf_log("%s: %s at %ld, length=%ld -> %d",
		     FILENAME(curr_file_info),
		     command_name[command], filepos,length,result);
      }
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (curr_file_info->isam->s->base.blobs)
	  fix_blob_pointers(curr_file_info->isam,buff);
	if ((enum myisam_log_commands) command == MI_LOG_UPDATE)
	{
	  if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos))
	  {
	    if (!recover)
	    {
	      result=0;
	      goto com_err;
	    }
	    if (verbose)
	      printf_log("error: Didn't find row to update with mi_rrnd");
	    if (recover == 1 || result ||
		find_record_with_key(curr_file_info,buff))
	    {
	      com_count[command][2]++;		/* Mark error */
	      break;
	    }
	  }
	  mi_result=mi_update(curr_file_info->isam,curr_file_info->record,
			      buff);
	  if ((mi_result == 0 && result) ||
	      (mi_result && (uint) my_errno != result))
	  {
	    if (!recover)
	      goto com_err;
	    if (verbose)
	      printf_log("error: Got result %d from mi_update instead of %d",
			 mi_result, result);
	    if (mi_result)
	      com_count[command][2]++;		/* Mark error */
	  }
	}
	else
	{
	  mi_result=mi_write(curr_file_info->isam,buff);
	  if ((mi_result == 0 && result) ||
	      (mi_result && (uint) my_errno != result))
	  {
	    if (!recover)
	      goto com_err;
	    if (verbose)
	      printf_log("error: Got result %d from mi_write instead of %d",
			 mi_result, result);
	    if (mi_result)
	      com_count[command][2]++;		/* Mark error */
	  }
	  if (!recover && filepos != curr_file_info->isam->lastpos)
	  {
	    printf("error: Wrote at position: %s, should have been %s",
		   llstr(curr_file_info->isam->lastpos,llbuff),
		   llstr(filepos,llbuff2));
	    goto end;
	  }
	}
      }
      my_free(buff,MYF(0));
      break;
    case MI_LOG_LOCK:
      if (my_b_read(&cache,(byte*) head,sizeof(lock_command)))
	goto err;
      memcpy_fixed(&lock_command,head,sizeof(lock_command));
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s(%d) -> %d\n",FILENAME(curr_file_info),
		   command_name[command],lock_command,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_lock_database(curr_file_info->isam,lock_command) !=
	    (int) result)
	  goto com_err;
      }
      break;
    case MI_LOG_DELETE_ALL:
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s -> %d\n",FILENAME(curr_file_info),
		   command_name[command],result);
      break;
    default:
      fflush(stdout);
      VOID(fprintf(stderr,
		   "Error: found unknown command %d in logfile, aborted\n",
		   command));
      fflush(stderr);
      goto end;
    }
  }
  end_key_cache();
  delete_tree(&tree);
  VOID(end_io_cache(&cache));
  VOID(my_close(file,MYF(0)));
  if (write_file && my_fclose(write_file,MYF(MY_WME)))
    DBUG_RETURN(1);
  DBUG_RETURN(0);

 err:
  fflush(stdout);
  VOID(fprintf(stderr,"Got error %d when reading from logfile\n",my_errno));
  fflush(stderr);
  goto end;
 com_err:
  fflush(stdout);
  VOID(fprintf(stderr,"Got error %d, expected %d on command %s at %s\n",
	       my_errno,result,command_name[command],
	       llstr(isamlog_filepos,llbuff)));
  fflush(stderr);
 end:
  end_key_cache();
  delete_tree(&tree);
  VOID(end_io_cache(&cache));
  VOID(my_close(file,MYF(0)));
  if (write_file)
    VOID(my_fclose(write_file,MYF(MY_WME)));
  DBUG_RETURN(1);
}