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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2018 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
int
RANGE_NAME (col_pos_t * cpo, db_buf_t ce_first, int n_values, int n_bytes)
{
it_cursor_t *itc = cpo->cpo_itc;
search_spec_t *sp = itc->itc_col_spec;
dtp_t min_op = sp->sp_min_op, max_op = sp->sp_max_op;
ELT_T lower;
ELT_T upper;
int mfill = itc->itc_match_out, ce_row = cpo->cpo_ce_row_no, inx;
dtp_t dtp;
int last = MIN (n_values, cpo->cpo_to - ce_row);
switch (sp->sp_cl.cl_sqt.sqt_col_dtp)
{
case DV_DOUBLE_FLOAT:
case DV_SINGLE_FLOAT:
return 0;
case DV_LONG_INT:
case DV_SHORT_INT:
case DV_INT64:
if (DTP != DV_LONG_INT)
return 0;
if (CMP_NONE != min_op)
{
dtp = DV_TYPE_OF (cpo->cpo_cmp_min);
if (DV_LONG_INT != dtp)
return 0;
lower = unbox (cpo->cpo_cmp_min);
}
else
lower = DTP_MIN;
if (CMP_NONE != max_op)
{
dtp = DV_TYPE_OF (cpo->cpo_cmp_max);
if (DV_LONG_INT != dtp)
return 0;
upper = unbox (cpo->cpo_cmp_max);
}
else
upper = DTP_MAX;
break;
case DV_IRI_ID:
case DV_IRI_ID_8:
if (DTP != DV_IRI_ID)
return 0;
if (CMP_NONE != min_op)
{
dtp = DV_TYPE_OF (cpo->cpo_cmp_min);
if (DV_IRI_ID != dtp)
return 0;
lower = unbox_iri_id (cpo->cpo_cmp_min);
}
else
lower = 0;
if (CMP_NONE != max_op)
{
dtp = DV_TYPE_OF (cpo->cpo_cmp_max);
if (DV_IRI_ID != dtp)
return 0;
upper = unbox_iri_id (cpo->cpo_cmp_max);
}
else
upper = 0xffffffffffffffff;
break;
case DV_ANY:
if (min_op != CMP_NONE)
{
lower = dv_int ((db_buf_t) cpo->cpo_cmp_min, &dtp);
if (DTP != dtp_canonical[dtp])
return 0;
}
else
lower = DTP_MIN;
if (max_op != CMP_NONE)
{
upper = dv_int ((db_buf_t) cpo->cpo_cmp_max, &dtp);
if (DTP != dtp_canonical[dtp])
return 0;
}
else
upper = DTP_MAX;
break;
default:
return 0;
}
if (CMP_EQ == min_op)
upper = lower;
if (CMP_LT == max_op)
upper--;
if (CMP_GT == min_op)
lower++;
for (inx = cpo->cpo_skip; inx < last; inx++)
{
ELT_T elt = REF ((ce_first + sizeof (VEC_ELT_T) * inx));
if (elt >= lower && elt <= upper)
itc->itc_matches[mfill++] = ce_row + inx;
}
itc->itc_match_out = mfill;
return ce_row + n_values;
}
#undef RANGE_NAME
#undef ELT_T
#undef VEC_ELT_T
#undef REF
#undef DTP_MIN
#undef DTP_MAX
#undef DTP
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