X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fkinput.c;h=8a9fb0edefbcf3b3c10afbc4b41872b22464f67e;hb=af7bc27d33843a8e667022f24589450c39f907f2;hp=92833bb93afc0c3064c024ab25f82f440a64c4c3;hpb=399fde9960e03d0f0584d5374cf32cfadd8befd2;p=idzebra-moved-to-github.git diff --git a/index/kinput.c b/index/kinput.c index 92833bb..8a9fb0e 100644 --- a/index/kinput.c +++ b/index/kinput.c @@ -4,7 +4,22 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: kinput.c,v $ - * Revision 1.17 1996-05-14 15:47:07 adam + * Revision 1.21 1996-11-08 11:10:23 adam + * Buffers used during file match got bigger. + * Compressed ISAM support everywhere. + * Bug fixes regarding masking characters in queries. + * Redesigned Regexp-2 queries. + * + * Revision 1.20 1996/11/01 08:58:41 adam + * Interface to isamc system now includes update and delete. + * + * Revision 1.19 1996/10/29 14:09:46 adam + * Use of cisam system - enabled if setting isamc is 1. + * + * Revision 1.18 1996/06/04 10:18:59 adam + * Minor changes - removed include of ctype.h. + * + * Revision 1.17 1996/05/14 15:47:07 adam * Cleanup of various buffer size entities. * * Revision 1.16 1996/04/09 10:05:20 adam @@ -69,7 +84,6 @@ #include #include #include -#include #include #include "index.h" @@ -103,7 +117,10 @@ struct key_file { void getFnameTmp (char *fname, int no) { - sprintf (fname, TEMP_FNAME, no); + const char *pre; + + pre = res_get_def (common_resource, "keyTmpDir", "."); + sprintf (fname, "%s/key%d.tmp", pre, no); } void key_file_chunk_read (struct key_file *f) @@ -254,6 +271,9 @@ struct heap_info { int heapnum; int *ptr; int (*cmp)(const void *p1, const void *p2); + Dict dict; + ISAM isam; + ISAMC isamc; }; struct heap_info *key_heap_init (int nkeys, @@ -350,7 +370,94 @@ static int heap_read_one (struct heap_info *hi, char *name, char *key) return 1; } -int heap_inp (Dict dict, ISAM isam, struct heap_info *hi) +struct heap_cread_info { + char prev_name[INP_NAME_MAX]; + char cur_name[INP_NAME_MAX]; + char *key; + struct heap_info *hi; + int mode; + int more; +}; + +int heap_cread_item (void *vp, char **dst, int *insertMode) +{ + struct heap_cread_info *p = vp; + struct heap_info *hi = p->hi; + + if (p->mode == 1) + { + *insertMode = p->key[0]; + memcpy (*dst, p->key+1, sizeof(struct it_key)); + (*dst) += sizeof(struct it_key); + p->mode = 2; + return 1; + } + strcpy (p->prev_name, p->cur_name); + if (!(p->more = heap_read_one (hi, p->cur_name, p->key))) + return 0; + if (*p->cur_name && strcmp (p->cur_name, p->prev_name)) + { + p->mode = 1; + return 0; + } + *insertMode = p->key[0]; + memcpy (*dst, p->key+1, sizeof(struct it_key)); + (*dst) += sizeof(struct it_key); + return 1; +} + +int heap_inpc (struct heap_info *hi) +{ + struct heap_cread_info hci; + ISAMC_I isamc_i = xmalloc (sizeof(*isamc_i)); + + hci.key = xmalloc (KEY_SIZE); + hci.mode = 1; + hci.hi = hi; + hci.more = heap_read_one (hi, hci.cur_name, hci.key); + + isamc_i->clientData = &hci; + isamc_i->read_item = heap_cread_item; + + while (hci.more) + { + char this_name[INP_NAME_MAX]; + ISAMC_P isamc_p, isamc_p2; + char *dict_info; + + strcpy (this_name, hci.cur_name); + logf (LOG_DEBUG, "inserting %s", 1+hci.cur_name); + no_diffs++; + if ((dict_info = dict_lookup (hi->dict, hci.cur_name))) + { + memcpy (&isamc_p, dict_info+1, sizeof(ISAMC_P)); + isamc_p2 = isc_merge (hi->isamc, isamc_p, isamc_i); + if (!isamc_p2) + { + no_deletions++; + if (!dict_delete (hi->dict, this_name)) + abort(); + } + else + { + no_updates++; + if (isamc_p2 != isamc_p) + dict_insert (hi->dict, this_name, + sizeof(ISAMC_P), &isamc_p2); + } + } + else + { + isamc_p = isc_merge (hi->isamc, 0, isamc_i); + no_insertions++; + dict_insert (hi->dict, this_name, sizeof(ISAMC_P), &isamc_p); + } + } + xfree (isamc_i); + return 0; +} + +int heap_inp (struct heap_info *hi) { char *info; char next_name[INP_NAME_MAX]; @@ -389,32 +496,32 @@ int heap_inp (Dict dict, ISAM isam, struct heap_info *hi) no_diffs++; nmemb = key_buf_ptr / KEY_SIZE; assert (nmemb*KEY_SIZE == key_buf_ptr); - if ((info = dict_lookup (dict, cur_name))) + if ((info = dict_lookup (hi->dict, cur_name))) { ISAM_P isam_p, isam_p2; - logf (LOG_DEBUG, "updating %s", cur_name); + logf (LOG_DEBUG, "updating %s", 1+cur_name); memcpy (&isam_p, info+1, sizeof(ISAM_P)); - isam_p2 = is_merge (isam, isam_p, nmemb, key_buf); + isam_p2 = is_merge (hi->isam, isam_p, nmemb, key_buf); if (!isam_p2) { no_deletions++; - if (!dict_delete (dict, cur_name)) + if (!dict_delete (hi->dict, cur_name)) abort (); } else { no_updates++; if (isam_p2 != isam_p) - dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p2); + dict_insert (hi->dict, cur_name, sizeof(ISAM_P), &isam_p2); } } else { ISAM_P isam_p; - logf (LOG_DEBUG, "inserting %s", cur_name); + logf (LOG_DEBUG, "inserting %s", 1+cur_name); no_insertions++; - isam_p = is_merge (isam, 0, nmemb, key_buf); - dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p); + isam_p = is_merge (hi->isam, 0, nmemb, key_buf); + dict_insert (hi->dict, cur_name, sizeof(ISAM_P), &isam_p); } memcpy (key_buf, next_key, KEY_SIZE); strcpy (cur_name, next_name); @@ -453,12 +560,12 @@ void progressFunc (struct key_file *keyp, void *info) p->totalOffset += keyp->buf_size; } -void key_input (const char *dict_fname, const char *isam_fname, - int nkeys, int cache) +void key_input (int nkeys, int cache) { Dict dict; - ISAM isam; + ISAM isam = NULL; + ISAMC isamc = NULL; struct key_file **kf; char rbuf[1024]; int i, r; @@ -479,19 +586,30 @@ void key_input (const char *dict_fname, const char *isam_fname, if (!nkeys) return ; } - dict = dict_open (dict_fname, cache, 1); + dict = dict_open (FNAME_DICT, cache, 1); if (!dict) { - logf (LOG_FATAL, "dict_open fail of `%s'", dict_fname); + logf (LOG_FATAL, "dict_open fail"); exit (1); } - isam = is_open (isam_fname, key_compare, 1, sizeof(struct it_key)); - if (!isam) + if (res_get_match (common_resource, "isam", "c", NULL)) { - logf (LOG_FATAL, "is_open fail of `%s'", isam_fname); - exit (1); + isamc = isc_open (FNAME_ISAMC, 1, key_isamc_m ()); + if (!isamc) + { + logf (LOG_FATAL, "isc_open fail"); + exit (1); + } + } + else + { + isam = is_open (FNAME_ISAM, key_compare, 1, sizeof(struct it_key)); + if (!isam) + { + logf (LOG_FATAL, "is_open fail"); + exit (1); + } } - kf = xmalloc ((1+nkeys) * sizeof(*kf)); progressInfo.totalBytes = 0; progressInfo.totalOffset = 0; @@ -506,13 +624,22 @@ void key_input (const char *dict_fname, const char *isam_fname, progressInfo.totalOffset += kf[i]->buf_size; } hi = key_heap_init (nkeys, key_qsort_compare); + hi->dict = dict; + hi->isam = isam; + hi->isamc = isamc; + for (i = 1; i<=nkeys; i++) if ((r = key_file_read (kf[i], rbuf))) key_heap_insert (hi, rbuf, r, kf[i]); - heap_inp (dict, isam, hi); - + if (isamc) + heap_inpc (hi); + else + heap_inp (hi); dict_close (dict); - is_close (isam); + if (isam) + is_close (isam); + if (isamc) + isc_close (isamc); for (i = 1; i<=nkeys; i++) {