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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "isamdef.h"
static void get_options(int argc, char *argv[]);
static int rec_pointer_size=0,verbose=0,remove_ant=0,pack_keys=1,flags[50],
packed_field=FIELD_SKIP_PRESPACE;
int main(int argc, char *argv[])
{
N_INFO *file;
int i,j,error,deleted,found;
char record[128],key[32],*filename,read_record[128];
N_KEYDEF keyinfo[10];
N_RECINFO recinfo[10];
MY_INIT(argv[0]);
filename= (char*) "test1";
my_init();
get_options(argc,argv);
keyinfo[0].seg[0].base.type=HA_KEYTYPE_NUM;
keyinfo[0].seg[0].base.flag=(uint8) (pack_keys ?
HA_PACK_KEY | HA_SPACE_PACK : 0);
keyinfo[0].seg[0].base.start=0;
keyinfo[0].seg[0].base.length=6;
keyinfo[0].seg[1].base.type=HA_KEYTYPE_END;
keyinfo[0].base.flag = (uint8) (pack_keys ?
HA_NOSAME | HA_PACK_KEY : HA_NOSAME);
recinfo[0].base.type=packed_field; recinfo[0].base.length=6;
recinfo[1].base.type=FIELD_NORMAL; recinfo[1].base.length=24;
recinfo[2].base.type=FIELD_LAST;
deleted=0;
bzero((byte*) flags,sizeof(flags));
printf("- Creating isam-file\n");
if (nisam_create(filename,1,keyinfo,recinfo,
(ulong) (rec_pointer_size ? (1L << (rec_pointer_size*8))/40 :
0),10l,0,0,0L))
goto err;
if (!(file=nisam_open(filename,2,HA_OPEN_ABORT_IF_LOCKED)))
goto err;
printf("- Writing key:s\n");
strmov(record," ..... key"); strappend(record,30,' ');
my_errno=0;
for (i=49 ; i>=1 ; i-=2 )
{
j=i%25 +1;
sprintf(key,"%6d",j);
bmove(record,key,6);
error=nisam_write(file,record);
flags[j]=1;
if (verbose || error)
printf("J= %2d nisam_write: %d errno: %d\n", j,error,my_errno);
}
if (nisam_close(file)) goto err;
printf("- Reopening file\n");
if (!(file=nisam_open(filename,2,HA_OPEN_ABORT_IF_LOCKED))) goto err;
printf("- Removing keys\n");
for (i=1 ; i<=10 ; i++)
{
if (i == remove_ant) { VOID(nisam_close(file)) ; exit(0) ; }
sprintf(key,"%6d",(j=(int) ((rand() & 32767)/32767.*25)));
my_errno=0;
if ((error = nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT)))
{
if (verbose || (flags[j] == 1 ||
(error && my_errno != HA_ERR_KEY_NOT_FOUND)))
printf("key: %s nisam_rkey: %3d errno: %3d\n",key,error,my_errno);
}
else
{
error=nisam_delete(file,read_record);
if (verbose || error)
printf("key: %s nisam_delete: %3d errno: %3d\n",key,error,my_errno);
flags[j]=0;
if (! error)
deleted++;
}
}
printf("- Reading records with key\n");
for (i=1 ; i<=25 ; i++)
{
sprintf(key,"%6d",i);
bmove(record,key,6);
my_errno=0;
error=nisam_rkey(file,read_record,0,key,0,HA_READ_KEY_EXACT);
if (verbose ||
(error == 0 && flags[i] != 1) ||
(error && (flags[i] != 0 || my_errno != HA_ERR_KEY_NOT_FOUND)))
{
printf("key: %s nisam_rkey: %3d errno: %3d record: %s\n",
key,error,my_errno,record+1);
}
}
printf("- Reading records with position\n");
for (i=1,found=0 ; i <= 30 ; i++)
{
my_errno=0;
if ((error=nisam_rrnd(file,read_record,i == 1 ? 0L : NI_POS_ERROR)) == -1)
{
if (found != 25-deleted)
printf("Found only %d of %d records\n",found,25-deleted);
break;
}
if (!error)
found++;
if (verbose || (error != 0 && error != 1))
{
printf("pos: %2d nisam_rrnd: %3d errno: %3d record: %s\n",
i-1,error,my_errno,read_record+1);
}
}
if (nisam_close(file)) goto err;
my_end(MY_CHECK_ERROR);
exit(0);
err:
printf("got error: %3d when using nisam-database\n",my_errno);
exit(1);
return 0; /* skipp warning */
} /* main */
/* l{ser optioner */
/* OBS! intierar endast DEBUG - ingen debuggning h{r ! */
static void get_options(int argc, char *argv[])
{
char *pos;
while (--argc >0 && *(pos = *(++argv)) == '-' ) {
switch(*++pos) {
case 'R': /* Length of record pointer */
rec_pointer_size=atoi(++pos);
if (rec_pointer_size > 3)
rec_pointer_size=0;
break;
case 'P':
pack_keys=0; /* Don't use packed key */
break;
case 'S':
packed_field=FIELD_NORMAL; /* static-size record*/
break;
case 'v': /* verbose */
verbose=1;
break;
case 'm':
remove_ant=atoi(++pos);
break;
case 'V':
printf("isamtest1 Ver 1.0 \n");
exit(0);
case '#':
DEBUGGER_ON;
DBUG_PUSH (++pos);
break;
}
}
return;
} /* get options */
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