-/* $Id: trunc.c,v 1.27 2002-08-02 19:26:55 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+/* $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.
#include <stdio.h>
#include <assert.h>
-#define NEW_TRUNC 1
-
#include "index.h"
-#include <rstemp.h>
-#include <rsnull.h>
-#include <rsisams.h>
-#include <rsisam.h>
-#include <rsisamc.h>
-#include <rsisamd.h>
-#include <rsisamb.h>
-#if NEW_TRUNC
-#include <rsm_or.h>
-#endif
+#include <rset.h>
struct trunc_info {
int *ptr;
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, int preserve_position,
- int term_type)
+ 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->res, "setTmpDir");
- parms.rset_term = rset_term_create (term, length, flags, term_type);
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;
rset[rscur] = rset_trunc_r (zi, term, length, flags,
isam_p, i, i+i_add,
merge_chunk, preserve_position,
- term_type);
+ term_type, rset_nmem, kctrl);
else
rset[rscur] = rset_trunc_r (zi, term, length, flags,
isam_p, i, to,
merge_chunk, preserve_position,
- term_type);
+ 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]);
}
}
{
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;
}
xfree (rsfd);
heap_close (ti);
}
- else if (zi->reg->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->reg->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 (preserve_position)
- {
-/* 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;
- }
- }
- }
- }
- heap_close (ti);
- xfree (ispt);
- }
else if (zi->reg->isamc)
{
ISAMC_PP *ispt;
{
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++;
if (preserve_position)
{
heap_delete (ti);
heap_close (ti);
xfree (ispt);
}
-
- else if (zi->reg->isamd)
- {
- ISAMD_PP *ispt;
- int i;
- struct trunc_info *ti;
-
- ispt = (ISAMD_PP *) xmalloc (sizeof(*ispt) * (to-from));
-
- ti = heap_init (to-from, sizeof(struct it_key),
- key_compare_it);
- for (i = to-from; --i >= 0; )
- {
- logf(LOG_FATAL, "isam_d does not (currently) support truncs");
- abort();
- /*ispt[i] = isamd_pp_open (zi->reg->isamd, isam_p[from+i]); */
- if (isamd_pp_read (ispt[i], ti->tmpbuf))
- heap_insert (ti, ti->tmpbuf, i);
- else
- isamd_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 */
- while (1)
- {
- if (!isamd_pp_read (ispt[n], ti->tmpbuf))
- {
- heap_delete (ti);
- isamd_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->reg->isams)
{
ISAMS_PP *ispt;
int i;
struct trunc_info *ti;
+ int nn = 0;
ispt = (ISAMS_PP *) xmalloc (sizeof(*ispt) * (to-from));
{
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 (!isams_pp_read (ispt[n], ti->tmpbuf))
key_compare_it);
for (i = to-from; --i >= 0; )
{
- 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]);
+ 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]]);
+ rset_write (result_rsfd, ti->heap[ti->ptr[1]]);
+ nn++;
if (preserve_position)
{
else
logf (LOG_WARN, "Unknown isam set in rset_trunc_r");
- rset_close (result, result_rsfd);
+ rset_close (result_rsfd);
return result;
}
ISAMS_P i1 = *(ISAMS_P*) p1;
ISAMS_P i2 = *(ISAMS_P*) p2;
- return i1 - i2;
-}
-
-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;
}
RSET rset_trunc (ZebraHandle zi, ISAMS_P *isam_p, int no,
const char *term, int length, const char *flags,
- int preserve_position, int term_type)
+ 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, term_type);
- return rset_create (rset_kind_null, &parms);
- }
+ return rsnull_create (rset_nmem,kctrl);
if (zi->reg->isams)
{
if (no == 1)
- {
- rset_isams_parms parms;
-
- parms.pos = *isam_p;
- parms.is = zi->reg->isams;
- parms.rset_term = rset_term_create (term, length, flags,
- term_type);
- 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);
}
- else if (zi->reg->isam)
- {
- if (no == 1)
- {
- rset_isam_parms parms;
-
- parms.pos = *isam_p;
- parms.is = zi->reg->isam;
- parms.rset_term = rset_term_create (term, length, flags,
- term_type);
- return rset_create (rset_kind_isam, &parms);
- }
- qsort (isam_p, no, sizeof(*isam_p), isam_trunc_cmp);
- }
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->reg->isamc;
- parms.rset_term = rset_term_create (term, length, flags,
- term_type);
- 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->reg->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,
- term_type);
- 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->reg->isamd)
- {
- if (no == 1)
- {
- rset_isamd_parms parms;
-
- logf(LOG_FATAL, "isam_d does not (currently) support truncs");
- abort();
- /* parms.pos = *isam_p; */
- parms.is = zi->reg->isamd;
- parms.rset_term = rset_term_create (term, length, flags,
- term_type);
- 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->reg->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);
- }
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_isamb_parms parms;
-
- parms.key_size = sizeof(struct it_key);
- parms.cmp = key_compare_it;
- parms.pos = *isam_p;
- parms.is = zi->reg->isamb;
- parms.rset_term = rset_term_create (term, length, flags,
- term_type);
- return rset_create (rset_kind_isamb, &parms);
- }
- 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;i<no;i++)
+ rsets[i]=rsisamb_create(rset_nmem, kctrl,
+ zi->reg->isamb, isam_p[i] );
+ r=rsmultior_create( rset_nmem, kctrl, no, rsets);
+ xfree(rsets);
+ }
+ qsort (isam_p, no, sizeof(*isam_p), isamc_trunc_cmp);
}
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,
- preserve_position, term_type);
+ preserve_position, term_type, rset_nmem,kctrl);
}
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