X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Ftrunc.c;h=391a64e07f8e2ef419779d2dd3096d807b8f8152;hp=954302cc44f7f6b864e1f1389da0e5a303f1ff68;hb=13bf0c380e98816595127291b64368dd9b8ca639;hpb=f1a944fbdac20e88bf55918f2a4f66c301d684e2 diff --git a/index/trunc.c b/index/trunc.c index 954302c..391a64e 100644 --- a/index/trunc.c +++ b/index/trunc.c @@ -1,93 +1,31 @@ -/* - * Copyright (C) 1994-1999, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: trunc.c,v $ - * Revision 1.20 2002-03-20 20:24:29 adam - * Hits per term. Returned in SearchResult-1 - * - * Revision 1.19 2001/01/16 16:56:15 heikki - * Searching in my isam-d - * - * Revision 1.18 2000/05/18 12:01:36 adam - * System call times(2) used again. More 64-bit fixes. - * - * Revision 1.17 2000/03/15 15:00:30 adam - * First work on threaded version. - * - * Revision 1.16 1999/11/30 13:48:03 adam - * Improved installation. Updated for inclusion of YAZ header files. - * - * Revision 1.15 1999/07/20 13:59:18 adam - * Fixed bug that occurred when phrases had 0 hits. - * - * Revision 1.14 1999/05/26 07:49:13 adam - * C++ compilation. - * - * Revision 1.13 1999/05/12 13:08:06 adam - * First version of ISAMS. - * - * Revision 1.12 1999/02/02 14:51:10 adam - * Updated WIN32 code specific sections. Changed header. - * - * Revision 1.11 1998/03/25 13:48:02 adam - * Fixed bug in rset_trunc_r. - * - * Revision 1.10 1998/03/05 08:45:13 adam - * New result set model and modular ranking system. Moved towards - * descent server API. System information stored as "SGML" records. - * - * Revision 1.9 1998/01/12 15:04:09 adam - * The test option (-s) only uses read-lock (and not write lock). - * - * Revision 1.8 1997/10/31 12:34:27 adam - * Bug fix: memory leak. - * - * Revision 1.7 1997/09/29 09:07:29 adam - * Minor change. - * - * Revision 1.6 1997/09/22 12:39:06 adam - * Added get_pos method for the ranked result sets. - * - * Revision 1.5 1997/09/17 12:19:17 adam - * Zebra version corresponds to YAZ version 1.4. - * Changed Zebra server so that it doesn't depend on global common_resource. - * - * Revision 1.4 1996/12/23 15:30:44 adam - * Work on truncation. - * Bug fix: result sets weren't deleted after server shut down. - * - * Revision 1.3 1996/12/20 11:07:14 adam - * Multi-or result set. - * - * Revision 1.2 1996/11/08 11:10:28 adam - * Buffers used during file match got bigger. - * Compressed ISAM support everywhere. - * Bug fixes regarding masking characters in queries. - * Redesigned Regexp-2 queries. - * - * Revision 1.1 1996/11/04 14:07:40 adam - * Moved truncation code to trunc.c. - * - */ +/* $Id: trunc.c,v 1.43 2004-09-03 14:59:49 heikki Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 + Index Data Aps + +This file is part of the Zebra server. + +Zebra 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, or (at your option) any later +version. + +Zebra 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 Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ + + #include #include -#define NEW_TRUNC 1 - -#include "zserver.h" -#include -#include -#include -#if ZMBOL -#include -#include -#include -#if NEW_TRUNC -#include -#endif -#endif +#include "index.h" +#include struct trunc_info { int *ptr; @@ -186,25 +124,30 @@ static void heap_close (struct trunc_info *ti) } static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, - const char *flags, ISAMS_P *isam_p, int from, int to, - int merge_chunk) + const char *flags, ISAMS_P *isam_p, int from, int to, + int merge_chunk, int preserve_position, + int term_type, NMEM rset_nmem, + const struct key_control *kctrl) { RSET result; RSFD result_rsfd; - rset_temp_parms parms; + int nn = 0; + /* + rset_temp_parms parms; parms.cmp = key_compare_it; parms.key_size = sizeof(struct it_key); - parms.temp_path = res_get (zi->service->res, "setTmpDir"); - parms.rset_term = rset_term_create (term, length, flags); + parms.temp_path = res_get (zi->res, "setTmpDir"); result = rset_create (rset_kind_temp, &parms); + */ + result=rstemp_create( rset_nmem,kctrl, + res_get (zi->res, "setTmpDir")); result_rsfd = rset_open (result, RSETF_WRITE); if (to - from > merge_chunk) { RSFD *rsfd; RSET *rset; - int term_index; int i, i_add = (to-from)/merge_chunk + 1; struct trunc_info *ti; int rscur = 0; @@ -217,21 +160,25 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, { if (i_add <= to - i) rset[rscur] = rset_trunc_r (zi, term, length, flags, - isam_p, i, i+i_add, merge_chunk); + isam_p, i, i+i_add, + merge_chunk, preserve_position, + term_type, rset_nmem, kctrl); else rset[rscur] = rset_trunc_r (zi, term, length, flags, - isam_p, i, to, merge_chunk); + isam_p, i, to, + merge_chunk, preserve_position, + term_type, rset_nmem, kctrl); rscur++; } ti = heap_init (rscur, sizeof(struct it_key), key_compare_it); for (i = rscur; --i >= 0; ) { rsfd[i] = rset_open (rset[i], RSETF_READ); - if (rset_read (rset[i], rsfd[i], ti->tmpbuf, &term_index)) + if (rset_read(rsfd[i], ti->tmpbuf)) heap_insert (ti, ti->tmpbuf, i); else { - rset_close (rset[i], rsfd[i]); + rset_close (rsfd[i]); rset_delete (rset[i]); } } @@ -239,14 +186,15 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, { int n = ti->indx[ti->ptr[1]]; - rset_write (result, result_rsfd, ti->heap[ti->ptr[1]]); + rset_write (result_rsfd, ti->heap[ti->ptr[1]]); + nn++; while (1) { - if (!rset_read (rset[n], rsfd[n], ti->tmpbuf, &term_index)) + if (!rset_read (rsfd[n], ti->tmpbuf)) { heap_delete (ti); - rset_close (rset[n], rsfd[n]); + rset_close (rsfd[n]); rset_delete (rset[n]); break; } @@ -262,60 +210,7 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, xfree (rsfd); heap_close (ti); } -#if ZMBOL - else if (zi->service->isam) - { - ISPT *ispt; - int i; - struct trunc_info *ti; - - ispt = (ISPT *) xmalloc (sizeof(*ispt) * (to-from)); - - ti = heap_init (to-from, sizeof(struct it_key), - key_compare_it); - for (i = to-from; --i >= 0; ) - { - ispt[i] = is_position (zi->service->isam, isam_p[from+i]); - if (is_readkey (ispt[i], ti->tmpbuf)) - heap_insert (ti, ti->tmpbuf, i); - else - is_pt_free (ispt[i]); - } - while (ti->heapnum) - { - int n = ti->indx[ti->ptr[1]]; - - rset_write (result, result_rsfd, ti->heap[ti->ptr[1]]); -#if 1 -/* section that preserve all keys */ - heap_delete (ti); - if (is_readkey (ispt[n], ti->tmpbuf)) - heap_insert (ti, ti->tmpbuf, n); - else - is_pt_free (ispt[n]); -#else -/* section that preserve all keys with unique sysnos */ - while (1) - { - if (!is_readkey (ispt[n], ti->tmpbuf)) - { - heap_delete (ti); - is_pt_free (ispt[n]); - break; - } - if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) - { - heap_delete (ti); - heap_insert (ti, ti->tmpbuf, n); - break; - } - } -#endif - } - heap_close (ti); - xfree (ispt); - } - else if (zi->service->isamc) + else if (zi->reg->isamc) { ISAMC_PP *ispt; int i; @@ -327,7 +222,7 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, key_compare_it); for (i = to-from; --i >= 0; ) { - ispt[i] = isc_pp_open (zi->service->isamc, isam_p[from+i]); + ispt[i] = isc_pp_open (zi->reg->isamc, isam_p[from+i]); if (isc_pp_read (ispt[i], ti->tmpbuf)) heap_insert (ti, ti->tmpbuf, i); else @@ -337,75 +232,69 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, { int n = ti->indx[ti->ptr[1]]; - rset_write (result, result_rsfd, ti->heap[ti->ptr[1]]); -#if 0 -/* section that preserve all keys */ - heap_delete (ti); - if (isc_pp_read (ispt[n], ti->tmpbuf)) - heap_insert (ti, ti->tmpbuf, n); - else - isc_pp_close (ispt[n]); -#else -/* section that preserve all keys with unique sysnos */ - while (1) + rset_write (result_rsfd, ti->heap[ti->ptr[1]]); + nn++; + if (preserve_position) { - if (!isc_pp_read (ispt[n], ti->tmpbuf)) - { - heap_delete (ti); + heap_delete (ti); + if (isc_pp_read (ispt[n], ti->tmpbuf)) + heap_insert (ti, ti->tmpbuf, n); + else isc_pp_close (ispt[n]); - break; - } - if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) + } + else + { + while (1) { - heap_delete (ti); - heap_insert (ti, ti->tmpbuf, n); - break; + if (!isc_pp_read (ispt[n], ti->tmpbuf)) + { + heap_delete (ti); + isc_pp_close (ispt[n]); + break; + } + if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) + { + heap_delete (ti); + heap_insert (ti, ti->tmpbuf, n); + break; + } } } -#endif } heap_close (ti); xfree (ispt); } - - else if (zi->service->isamd) + else if (zi->reg->isams) { - ISAMD_PP *ispt; + ISAMS_PP *ispt; int i; struct trunc_info *ti; + int nn = 0; - ispt = (ISAMD_PP *) xmalloc (sizeof(*ispt) * (to-from)); + ispt = (ISAMS_PP *) xmalloc (sizeof(*ispt) * (to-from)); ti = heap_init (to-from, sizeof(struct it_key), key_compare_it); for (i = to-from; --i >= 0; ) { - ispt[i] = isamd_pp_open (zi->service->isamd, isam_p[from+i]); - if (isamd_pp_read (ispt[i], ti->tmpbuf)) + ispt[i] = isams_pp_open (zi->reg->isams, isam_p[from+i]); + if (isams_pp_read (ispt[i], ti->tmpbuf)) heap_insert (ti, ti->tmpbuf, i); else - isamd_pp_close (ispt[i]); + isams_pp_close (ispt[i]); } while (ti->heapnum) { int n = ti->indx[ti->ptr[1]]; - rset_write (result, result_rsfd, ti->heap[ti->ptr[1]]); -#if 0 -/* section that preserve all keys */ - heap_delete (ti); - if (isamd_pp_read (ispt[n], ti->tmpbuf)) - heap_insert (ti, ti->tmpbuf, n); - else - isamd_pp_close (ispt[n]); -#else -/* section that preserve all keys with unique sysnos */ + rset_write (result_rsfd, ti->heap[ti->ptr[1]]); + nn++; while (1) { - if (!isamd_pp_read (ispt[n], ti->tmpbuf)) + if (!isams_pp_read (ispt[n], ti->tmpbuf)) { heap_delete (ti); - isamd_pp_close (ispt[n]); + isams_pp_close (ispt[n]); break; } if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) @@ -415,49 +304,61 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, break; } } -#endif } heap_close (ti); xfree (ispt); } - -#endif - else if (zi->service->isams) + else if (zi->reg->isamb) { - ISAMS_PP *ispt; + ISAMB_PP *ispt; int i; struct trunc_info *ti; - ispt = (ISAMS_PP *) xmalloc (sizeof(*ispt) * (to-from)); + ispt = (ISAMB_PP *) xmalloc (sizeof(*ispt) * (to-from)); ti = heap_init (to-from, sizeof(struct it_key), key_compare_it); for (i = to-from; --i >= 0; ) { - ispt[i] = isams_pp_open (zi->service->isams, isam_p[from+i]); - if (isams_pp_read (ispt[i], ti->tmpbuf)) - heap_insert (ti, ti->tmpbuf, i); - else - isams_pp_close (ispt[i]); + if (isam_p[from+i]) { + ispt[i] = isamb_pp_open (zi->reg->isamb, isam_p[from+i]); + if (isamb_pp_read (ispt[i], ti->tmpbuf)) + heap_insert (ti, ti->tmpbuf, i); + else + isamb_pp_close (ispt[i]); + } } while (ti->heapnum) { int n = ti->indx[ti->ptr[1]]; - rset_write (result, result_rsfd, ti->heap[ti->ptr[1]]); - while (1) + rset_write (result_rsfd, ti->heap[ti->ptr[1]]); + nn++; + + if (preserve_position) { - if (!isams_pp_read (ispt[n], ti->tmpbuf)) - { - heap_delete (ti); - isams_pp_close (ispt[n]); - break; - } - if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) - { - heap_delete (ti); + heap_delete (ti); + if (isamb_pp_read (ispt[n], ti->tmpbuf)) heap_insert (ti, ti->tmpbuf, n); - break; + else + isamb_pp_close (ispt[n]); + } + else + { + while (1) + { + if (!isamb_pp_read (ispt[n], ti->tmpbuf)) + { + heap_delete (ti); + isamb_pp_close (ispt[n]); + break; + } + if ((*ti->cmp)(ti->tmpbuf, ti->heap[ti->ptr[1]]) > 1) + { + heap_delete (ti); + heap_insert (ti, ti->tmpbuf, n); + break; + } } } } @@ -467,7 +368,7 @@ static RSET rset_trunc_r (ZebraHandle zi, const char *term, int length, else logf (LOG_WARN, "Unknown isam set in rset_trunc_r"); - rset_close (result, result_rsfd); + rset_close (result_rsfd); return result; } @@ -476,148 +377,75 @@ static int isams_trunc_cmp (const void *p1, const void *p2) ISAMS_P i1 = *(ISAMS_P*) p1; ISAMS_P i2 = *(ISAMS_P*) p2; - return i1 - i2; -} - -#if ZMBOL -static int isam_trunc_cmp (const void *p1, const void *p2) -{ - ISAM_P i1 = *(ISAM_P*) p1; - ISAM_P i2 = *(ISAM_P*) p2; - int d; - - d = is_type (i1) - is_type (i2); - if (d) - return d; - return is_block (i1) - is_block (i2); + if (i1 > i2) + return 1; + else if (i1 < i2) + return -1; + return 0; } static int isamc_trunc_cmp (const void *p1, const void *p2) { ISAMC_P i1 = *(ISAMC_P*) p1; ISAMC_P i2 = *(ISAMC_P*) p2; - int d; - - d = isc_type (i1) - isc_type (i2); - if (d) - return d; - return isc_block (i1) - isc_block (i2); -} -static int isamd_trunc_cmp (const void *p1, const void *p2) -{ - ISAMD_P i1 = *(ISAMD_P*) p1; - ISAMD_P i2 = *(ISAMD_P*) p2; - int d; - - d = isamd_type (i1) - isamd_type (i2); - if (d) - return d; - return isamd_block (i1) - isamd_block (i2); + zint d; + + d = (isc_type (i1) - isc_type (i2)); + if (d == 0) + d = isc_block (i1) - isc_block (i2); + if (d > 0) + return 1; + else if (d < 0) + return -1; + return 0; } -#endif RSET rset_trunc (ZebraHandle zi, ISAMS_P *isam_p, int no, - const char *term, int length, const char *flags) + const char *term, int length, const char *flags, + int preserve_position, int term_type, NMEM rset_nmem, + const struct key_control *kctrl) { logf (LOG_DEBUG, "rset_trunc no=%d", no); if (no < 1) - { - rset_null_parms parms; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_null, &parms); - } - if (zi->service->isams) + return rsnull_create (rset_nmem,kctrl); + if (zi->reg->isams) { if (no == 1) - { - rset_isams_parms parms; - - parms.pos = *isam_p; - parms.is = zi->service->isams; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_isams, &parms); - } + return rsisams_create(rset_nmem, kctrl, + zi->reg->isams, *isam_p); qsort (isam_p, no, sizeof(*isam_p), isams_trunc_cmp); } -#if ZMBOL - else if (zi->service->isam) - { - if (no == 1) - { - rset_isam_parms parms; - - parms.pos = *isam_p; - parms.is = zi->service->isam; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_isam, &parms); - } - qsort (isam_p, no, sizeof(*isam_p), isam_trunc_cmp); - } - else if (zi->service->isamc) + else if (zi->reg->isamc) { if (no == 1) - { - rset_isamc_parms parms; - - parms.key_size = sizeof(struct it_key); - parms.cmp = key_compare_it; - parms.pos = *isam_p; - parms.is = zi->service->isamc; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_isamc, &parms); - } -#if NEW_TRUNC - else if (no < 10000) - { - rset_m_or_parms parms; - - parms.key_size = sizeof(struct it_key); - parms.cmp = key_compare_it; - parms.isc = zi->service->isamc; - parms.isam_positions = isam_p; - parms.no_isam_positions = no; - parms.no_save_positions = 100000; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_m_or, &parms); - } -#endif + return rsisamc_create(rset_nmem, kctrl, + zi->reg->isamc, *isam_p); qsort (isam_p, no, sizeof(*isam_p), isamc_trunc_cmp); } - else if (zi->service->isamd) + else if (zi->reg->isamb) { if (no == 1) + return rsisamb_create(rset_nmem,kctrl, + zi->reg->isamb, *isam_p); + else if (no <10000 ) /* FIXME - hardcoded number */ { - rset_isamd_parms parms; - - parms.pos = *isam_p; - parms.is = zi->service->isamd; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_isamd, &parms); - } -#if NEW_TRUNC_NOT_DONE_FOR_ISAM_D - else if (no < 10000) - { - rset_m_or_parms parms; - - parms.key_size = sizeof(struct it_key); - parms.cmp = key_compare_it; - parms.isc = 0; - parms.isamd=zi->service->isamd; - parms.isam_positions = isam_p; - parms.no_isam_positions = no; - parms.no_save_positions = 100000; - parms.rset_term = rset_term_create (term, length, flags); - return rset_create (rset_kind_m_or, &parms); - } -#endif - qsort (isam_p, no, sizeof(*isam_p), isamd_trunc_cmp); + RSET r; + RSET *rsets=xmalloc(no*sizeof(RSET)); /* use nmem! */ + int i; + for (i=0;ireg->isamb, isam_p[i] ); + r=rsmultior_create( rset_nmem, kctrl, no, rsets); + xfree(rsets); + } + qsort (isam_p, no, sizeof(*isam_p), isamc_trunc_cmp); } -#endif else { logf (LOG_WARN, "Unknown isam set in rset_trunc"); - return rset_create (rset_kind_null, NULL); + return rsnull_create (rset_nmem, kctrl); } - return rset_trunc_r (zi, term, length, flags, isam_p, 0, no, 100); + return rset_trunc_r (zi, term, length, flags, isam_p, 0, no, 100, + preserve_position, term_type, rset_nmem,kctrl); }