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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 */
/* Written by Sergei A. Golubchik, who has a shared copyright to this code */
#include "ftdefs.h"
#include <getopt.h>
static void get_options(int argc,char *argv[]);
static void usage(char *argv[]);
static void complain(int val);
static int count=0, stats=0, dump=0, verbose=0, lstats=0;
static char *query=NULL;
static uint lengths[256];
#define MAX (HA_FT_MAXLEN+10)
#define HOW_OFTEN_TO_WRITE 10000
int main(int argc,char *argv[])
{
int error=0;
uint keylen, keylen2, inx, doc_cnt=0;
float weight;
double gws, min_gws=0, avg_gws=0;
MI_INFO *info;
char buf[MAX], buf2[MAX], buf_maxlen[MAX], buf_min_gws[MAX];
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]);
get_options(argc,argv);
if (count || dump)
verbose=0;
if (!count && !dump && !lstats && !query)
stats=1;
if (verbose)
setbuf(stdout,NULL);
if (argc-optind < 2)
usage(argv);
if (!(info=mi_open(argv[optind],2,HA_OPEN_ABORT_IF_LOCKED)))
goto err;
inx=atoi(argv[optind+1]);
*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;
}
if (query)
{
#if 0
FT_DOCLIST *result;
int i;
ft_init_stopwords(ft_precompiled_stopwords);
result=ft_nlq_init_search(info,inx,query,strlen(query),1);
if(!result)
goto err;
if (verbose)
printf("%d rows matched\n",result->ndocs);
for(i=0 ; i<result->ndocs ; i++)
printf("%9qx %20.7f\n",result->doc[i].dpos,result->doc[i].weight);
ft_nlq_close_search(result);
#else
printf("-e option is disabled\n");
#endif
}
else
{
info->lastpos= HA_OFFSET_ERROR;
info->update|= HA_STATE_PREV_FOUND;
while (!(error=mi_rnext(info,NULL,inx)))
{
keylen=*(info->lastkey);
#if HA_FT_WTYPE == HA_KEYTYPE_FLOAT
mi_float4get(weight,info->lastkey+keylen+1);
#else
#error
#endif
snprintf(buf,MAX,"%.*s",(int) keylen,info->lastkey+1);
casedn_str(buf);
total++;
lengths[keylen]++;
if (count || stats)
{
doc_cnt++;
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;
strcpy(buf_maxlen, buf2);
}
if (max_doc_cnt < doc_cnt)
{
max_doc_cnt=doc_cnt;
strcpy(buf_min_gws, buf2);
min_gws=gws;
}
}
strcpy(buf2, buf);
keylen2=keylen;
doc_cnt=0;
}
}
if (dump)
printf("%9qx %20.7f %s\n",info->lastpos,weight,buf);
if(verbose && (total%HOW_OFTEN_TO_WRITE)==0)
printf("%10ld\r",total);
}
if (stats)
{
count=0;
for (inx=0;inx<256;inx++)
{
count+=lengths[inx];
if (count >= total/2)
break;
}
printf("Total rows: %qu\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",
(ulonglong)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,
lengths[inx],100.0*lengths[inx]/total,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);
return 0;
}
const char *options="dslcvh";
static void get_options(int argc, char *argv[])
{
int c;
while ((c=getopt(argc,argv,options)) != -1)
{
switch(c) {
case 'd': dump=1; complain(count || query); break;
case 's': stats=1; complain(query!=0); break;
case 'v': verbose=1; break;
case 'c': count=1; complain(dump || query); break;
case 'l': lstats=1; complain(query!=0); break;
case 'e': query=my_strdup(optarg,MYF(MY_FAE)); complain(dump || count || stats); break;
case '?':
case 'h':
default:
usage(argv);
}
}
return;
} /* get options */
static void usage(char *argv[])
{
printf("\n\
Use: %s [-%s] <table_name> <index_no>\n\
\n\
-d Dump index (incl. data offsets and word weights)\n\
-s Report global stats\n\
-c Calculate per-word stats (counts and global weights)\n\
-l Report length distribution\n\
-v Be verbose\n\
-h This text\n\
", *argv, options);
exit(1);
}
static void complain(int val) /* Kinda assert :-) */
{
if (val)
{
printf("You cannot use these options together!\n");
exit(1);
}
}
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