diff options
Diffstat (limited to 'isam/test1.c')
| -rw-r--r-- | isam/test1.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/isam/test1.c b/isam/test1.c new file mode 100644 index 00000000000..1ec5d8b0318 --- /dev/null +++ b/isam/test1.c @@ -0,0 +1,183 @@ +/* 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_SKIPP_PRESPACE; + +int main(argc,argv) +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(argc,argv) +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 */ |