test1.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
- /* 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-filen");
- 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:sn");
- 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: %dn", j,error,my_errno);
- }
- if (nisam_close(file)) goto err;
- printf("- Reopening filen");
- if (!(file=nisam_open(filename,2,HA_OPEN_ABORT_IF_LOCKED))) goto err;
- printf("- Removing keysn");
- 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: %3dn",key,error,my_errno);
- }
- else
- {
- error=nisam_delete(file,read_record);
- if (verbose || error)
- printf("key: %s nisam_delete: %3d errno: %3dn",key,error,my_errno);
- flags[j]=0;
- if (! error)
- deleted++;
- }
- }
- printf("- Reading records with keyn");
- 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: %sn",
- key,error,my_errno,record+1);
- }
- }
- printf("- Reading records with positionn");
- 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 recordsn",found,25-deleted);
- break;
- }
- if (!error)
- found++;
- if (verbose || (error != 0 && error != 1))
- {
- printf("pos: %2d nisam_rrnd: %3d errno: %3d record: %sn",
- 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-databasen",my_errno);
- exit(1);
- return 0; /* skip 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 */