X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzrpn.c;h=710a6999de9ca763f56adcb0cd1a98ddc532be55;hb=e5b0bb88921b593c89dd6ae9077c6566bc8a6a91;hp=5a1b42a140637161897e963013a6d780f2413734;hpb=55a5cde7eb23fb9aa5a8386d34bb1b6e131c19d8;p=idzebra-moved-to-github.git diff --git a/index/zrpn.c b/index/zrpn.c index 5a1b42a..710a699 100644 --- a/index/zrpn.c +++ b/index/zrpn.c @@ -1,10 +1,28 @@ /* - * Copyright (C) 1995-1998, Index Data I/S + * Copyright (C) 1995-1998, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zrpn.c,v $ - * Revision 1.81 1998-06-24 12:16:14 adam + * Revision 1.86 1998-09-22 10:48:20 adam + * Minor changes in search API. + * + * Revision 1.85 1998/09/22 10:03:43 adam + * Changed result sets to be persistent in the sense that they can + * be re-searched if needed. + * Fixed memory leak in rsm_or. + * + * Revision 1.84 1998/09/18 12:41:00 adam + * Fixed bug with numerical relations. + * + * Revision 1.83 1998/09/02 13:53:19 adam + * Extra parameter decode added to search routines to implement + * persistent queries. + * + * Revision 1.82 1998/06/26 11:16:40 quinn + * Added support (un-optimised) for left and left/right truncation + * + * Revision 1.81 1998/06/24 12:16:14 adam * Support for relations on text operands. Open range support in * DFA module (i.e. [-j], [g-]). * @@ -644,7 +662,7 @@ static void gen_regular_rel (char *dst, int val, int islt) } else { - strcpy (dst, "((-"); + strcpy (dst, "(-("); islt = 0; } val = -val; @@ -1006,8 +1024,24 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, dict_lookup_grep (zh->dict, term_dict, 0, grep_info, &max_pos, 0, grep_handle); break; - case 2: /* left truncation */ + case 2: /* keft truncation */ + term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*'; + if (!term_100 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ")"); + dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + break; case 3: /* left&right truncation */ + term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*'; + if (!term_100 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ".*)"); + dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + break; zh->errCode = 120; return -1; case 101: /* process # in term */ @@ -1729,7 +1763,7 @@ static RSET rpn_search_APT_local (ZebraHandle zh, Z_AttributesPlusTerm *zapt, } static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - oid_value attributeSet, ODR stream, + oid_value attributeSet, NMEM stream, Z_SortKeySpecList *sort_sequence, const char *rank_type) { @@ -1754,8 +1788,8 @@ static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, if (!sort_sequence->specs) { sort_sequence->num_specs = 10; - sort_sequence->specs = odr_malloc (stream, sort_sequence->num_specs * - sizeof(*sort_sequence->specs)); + sort_sequence->specs = nmem_malloc (stream, sort_sequence->num_specs * + sizeof(*sort_sequence->specs)); for (i = 0; inum_specs; i++) sort_sequence->specs[i] = 0; } @@ -1772,29 +1806,29 @@ static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, if (!oid_ent_to_oid (&oe, oid)) return 0; - sks = odr_malloc (stream, sizeof(*sks)); - sks->sortElement = odr_malloc (stream, sizeof(*sks->sortElement)); + sks = nmem_malloc (stream, sizeof(*sks)); + sks->sortElement = nmem_malloc (stream, sizeof(*sks->sortElement)); sks->sortElement->which = Z_SortElement_generic; - sk = sks->sortElement->u.generic = odr_malloc (stream, sizeof(*sk)); + sk = sks->sortElement->u.generic = nmem_malloc (stream, sizeof(*sk)); sk->which = Z_SortKey_sortAttributes; - sk->u.sortAttributes = odr_malloc (stream, sizeof(*sk->u.sortAttributes)); + sk->u.sortAttributes = nmem_malloc (stream, sizeof(*sk->u.sortAttributes)); sk->u.sortAttributes->id = oid; sk->u.sortAttributes->list = - odr_malloc (stream, sizeof(*sk->u.sortAttributes->list)); + nmem_malloc (stream, sizeof(*sk->u.sortAttributes->list)); sk->u.sortAttributes->list->num_attributes = 1; sk->u.sortAttributes->list->attributes = - odr_malloc (stream, sizeof(*sk->u.sortAttributes->list->attributes)); + nmem_malloc (stream, sizeof(*sk->u.sortAttributes->list->attributes)); ae = *sk->u.sortAttributes->list->attributes = - odr_malloc (stream, sizeof(**sk->u.sortAttributes->list->attributes)); + nmem_malloc (stream, sizeof(**sk->u.sortAttributes->list->attributes)); ae->attributeSet = 0; - ae->attributeType = odr_malloc (stream, sizeof(*ae->attributeType)); + ae->attributeType = nmem_malloc (stream, sizeof(*ae->attributeType)); *ae->attributeType = 1; ae->which = Z_AttributeValue_numeric; - ae->value.numeric = odr_malloc (stream, sizeof(*ae->value.numeric)); + ae->value.numeric = nmem_malloc (stream, sizeof(*ae->value.numeric)); *ae->value.numeric = use_value; - sks->sortRelation = odr_malloc (stream, sizeof(*sks->sortRelation)); + sks->sortRelation = nmem_malloc (stream, sizeof(*sks->sortRelation)); if (sort_relation_value == 1) *sks->sortRelation = Z_SortRelation_ascending; else if (sort_relation_value == 2) @@ -1802,7 +1836,7 @@ static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, else *sks->sortRelation = Z_SortRelation_ascending; - sks->caseSensitivity = odr_malloc (stream, sizeof(*sks->caseSensitivity)); + sks->caseSensitivity = nmem_malloc (stream, sizeof(*sks->caseSensitivity)); *sks->caseSensitivity = 0; sks->missingValueAction = 0; @@ -1815,7 +1849,7 @@ static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - oid_value attributeSet, ODR stream, + oid_value attributeSet, NMEM stream, Z_SortKeySpecList *sort_sequence, int num_bases, char **basenames) { @@ -1879,7 +1913,7 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, } static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, - oid_value attributeSet, ODR stream, + oid_value attributeSet, NMEM stream, Z_SortKeySpecList *sort_sequence, int num_bases, char **basenames) { @@ -1936,7 +1970,7 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, #ifdef ASN_COMPILED if (*zop->u.prox->u.known != Z_ProxUnit_word) { - char *val = odr_malloc (stream, 16); + char *val = nmem_malloc (stream, 16); zh->errCode = 132; zh->errString = val; sprintf (val, "%d", *zop->u.prox->u.known); @@ -1945,7 +1979,7 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, #else if (*zop->u.prox->proximityUnitCode != Z_ProxUnit_word) { - char *val = odr_malloc (stream, 16); + char *val = nmem_malloc (stream, 16); zh->errCode = 132; zh->errString = val; sprintf (val, "%d", *zop->u.prox->proximityUnitCode); @@ -1994,9 +2028,11 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, return r; } -void rpn_search (ZebraHandle zh, ODR stream, + +RSET rpn_search (ZebraHandle zh, NMEM nmem, Z_RPNQuery *rpn, int num_bases, char **basenames, - const char *setname) + const char *setname, + ZebraSet sset) { RSET rset; oident *attrset; @@ -2004,37 +2040,43 @@ void rpn_search (ZebraHandle zh, ODR stream, Z_SortKeySpecList *sort_sequence; int sort_status, i; - zlog_rpn (rpn); - zh->errCode = 0; zh->errString = NULL; zh->hits = 0; - sort_sequence = odr_malloc (stream, sizeof(*sort_sequence)); + sort_sequence = nmem_malloc (nmem, sizeof(*sort_sequence)); sort_sequence->num_specs = 10; - sort_sequence->specs = odr_malloc (stream, sort_sequence->num_specs * + sort_sequence->specs = nmem_malloc (nmem, sort_sequence->num_specs * sizeof(*sort_sequence->specs)); for (i = 0; inum_specs; i++) sort_sequence->specs[i] = 0; attrset = oid_getentbyoid (rpn->attributeSetId); attributeSet = attrset->value; - rset = rpn_search_structure (zh, rpn->RPNStructure, attributeSet, stream, - sort_sequence, - num_bases, basenames); + rset = rpn_search_structure (zh, rpn->RPNStructure, attributeSet, + nmem, sort_sequence, num_bases, basenames); if (!rset) - return; + return 0; - resultSetAdd (zh, setname, 1, rset, &zh->hits); if (zh->errCode) logf (LOG_DEBUG, "search error: %d", zh->errCode); - + for (i = 0; sort_sequence->specs[i]; i++) ; sort_sequence->num_specs = i; - if (i) - resultSetSort (zh, stream, 1, &setname, setname, sort_sequence, - &sort_status); + if (!i) + resultSetRank (zh, sset, rset); + else + { + logf (LOG_DEBUG, "resultSetSortSingle in rpn_search"); + resultSetSortSingle (zh, nmem, sset, rset, + sort_sequence, &sort_status); + if (zh->errCode) + { + logf (LOG_DEBUG, "resultSetSortSingle status = %d", zh->errCode); + } + } + return rset; } struct scan_info_entry { @@ -2069,14 +2111,14 @@ static int scan_handle (char *name, const char *info, int pos, void *client) return 0; } -static void scan_term_untrans (ZebraHandle zh, ODR stream, int reg_type, +static void scan_term_untrans (ZebraHandle zh, NMEM stream, int reg_type, char **dst, const char *src) { char term_dst[1024]; term_untrans (zh, reg_type, term_dst, src); - *dst = odr_malloc (stream, strlen(term_dst)+1); + *dst = nmem_malloc (stream, strlen(term_dst)+1); strcpy (*dst, term_dst); } @@ -2244,7 +2286,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, } if (j0 == -1) break; - scan_term_untrans (zh, stream, reg_id, + scan_term_untrans (zh, stream->mem, reg_id, &glist[i+before].term, mterm); rset = rset_trunc (zh, &scan_info_array[j0].list[ptr[j0]].isam_p, 1, glist[i+before].term, strlen(glist[i+before].term), @@ -2308,7 +2350,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, if (j0 == -1) break; - scan_term_untrans (zh, stream, reg_id, + scan_term_untrans (zh, stream->mem, reg_id, &glist[before-1-i].term, mterm); rset = rset_trunc