1 /* index.c - routines for dealing with attribute indexes */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
17 #include "lutil_hash.h"
19 static char presence_keyval[LUTIL_HASH_BYTES] = {0,0,0,1};
20 static struct berval presence_key = {LUTIL_HASH_BYTES, presence_keyval};
22 static slap_mask_t index_mask(
24 AttributeDescription *desc,
26 struct berval *atname )
31 bdb_attr_mask( be->be_private, desc, &mask );
34 *atname = desc->ad_cname;
35 *dbname = desc->ad_cname.bv_val;
39 /* If there is a language tag, did we ever index the base
40 * type? If so, check for mask, otherwise it's not there.
42 if( slap_ad_is_lang( desc ) && desc != desc->ad_type->sat_ad ) {
43 /* has language tag */
44 bdb_attr_mask( be->be_private, desc->ad_type->sat_ad, &mask );
46 if ( mask && ( mask ^ SLAP_INDEX_NOLANG ) ) {
47 *atname = desc->ad_type->sat_cname;
48 *dbname = desc->ad_type->sat_cname.bv_val;
53 /* see if supertype defined mask for its subtypes */
54 for( at = desc->ad_type; at != NULL ; at = at->sat_sup ) {
55 /* If no AD, we've never indexed this type */
56 if ( !at->sat_ad ) continue;
58 bdb_attr_mask( be->be_private, at->sat_ad, &mask );
60 if ( mask && ( mask ^ SLAP_INDEX_NOSUBTYPES ) ) {
61 *atname = at->sat_cname;
62 *dbname = at->sat_cname.bv_val;
70 int bdb_index_is_indexed(
72 AttributeDescription *desc )
78 mask = index_mask( be, desc, &dbname, &prefix );
81 return LDAP_INAPPROPRIATE_MATCHING;
89 AttributeDescription *desc,
93 struct berval *prefixp )
100 mask = index_mask( be, desc, &dbname, prefixp );
103 return LDAP_INAPPROPRIATE_MATCHING;
106 rc = bdb_db_cache( be, dbname, &db );
108 if( rc != LDAP_SUCCESS ) {
113 case LDAP_FILTER_PRESENT:
114 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
119 case LDAP_FILTER_APPROX:
120 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
125 case LDAP_FILTER_EQUALITY:
126 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
131 case LDAP_FILTER_SUBSTRINGS:
132 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
141 return LDAP_INAPPROPRIATE_MATCHING;
153 struct berval *atname,
162 AttributeDescription *ad = NULL;
167 rc = bdb_db_cache( be, dbname, &db );
169 if ( rc != LDAP_SUCCESS ) {
171 LDAP_LOG(( "index", LDAP_LEVEL_ERR,
172 "bdb_index_read: Could not open DB %s\n", dbname));
174 Debug( LDAP_DEBUG_ANY,
175 "<= bdb_index_read NULL (could not open %s)\n",
181 rc = slap_bv2ad( atname, &ad, &text );
182 if( rc != LDAP_SUCCESS ) return rc;
184 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
185 rc = bdb_key_change( be, db, txn, &presence_key, id, op );
191 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
192 rc = ad->ad_type->sat_equality->smr_indexer(
193 LDAP_FILTER_EQUALITY,
195 ad->ad_type->sat_syntax,
196 ad->ad_type->sat_equality,
197 atname, vals, &keys );
199 if( rc == LDAP_SUCCESS && keys != NULL ) {
200 for( i=0; keys[i].bv_val != NULL; i++ ) {
201 rc = bdb_key_change( be, db, txn, &keys[i], id, op );
203 ber_bvarray_free( keys );
207 ber_bvarray_free( keys );
212 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
213 rc = ad->ad_type->sat_approx->smr_indexer(
216 ad->ad_type->sat_syntax,
217 ad->ad_type->sat_approx,
218 atname, vals, &keys );
220 if( rc == LDAP_SUCCESS && keys != NULL ) {
221 for( i=0; keys[i].bv_val != NULL; i++ ) {
222 rc = bdb_key_change( be, db, txn, &keys[i], id, op );
224 ber_bvarray_free( keys );
228 ber_bvarray_free( keys );
234 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
235 rc = ad->ad_type->sat_substr->smr_indexer(
236 LDAP_FILTER_SUBSTRINGS,
238 ad->ad_type->sat_syntax,
239 ad->ad_type->sat_substr,
240 atname, vals, &keys );
242 if( rc == LDAP_SUCCESS && keys != NULL ) {
243 for( i=0; keys[i].bv_val != NULL; i++ ) {
244 bdb_key_change( be, db, txn, &keys[i], id, op );
246 ber_bvarray_free( keys );
250 ber_bvarray_free( keys );
260 static int index_at_values(
270 slap_mask_t mask = 0;
272 if( type->sat_sup ) {
274 rc = index_at_values( be, txn,
281 /* If this type has no AD, we've never used it before */
283 bdb_attr_mask( be->be_private, type->sat_ad, &mask );
287 rc = indexer( be, txn, type->sat_cname.bv_val,
296 AttributeDescription *desc;
300 desc = ad_find_lang( type, lang );
302 bdb_attr_mask( be->be_private, desc, &mask );
306 rc = indexer( be, txn, desc->ad_cname.bv_val,
320 int bdb_index_values(
323 AttributeDescription *desc,
330 rc = index_at_values( be, txn,
331 desc->ad_type, &desc->ad_lang,
348 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
349 "index_entry: %s (%s) %ld\n",
350 op == SLAP_INDEX_ADD_OP ? "add" : "del",
351 e->e_dn, (long) e->e_id ));
353 Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
354 op == SLAP_INDEX_ADD_OP ? "add" : "del",
355 (long) e->e_id, e->e_dn );
358 /* add each attribute to the indexes */
359 for ( ; ap != NULL; ap = ap->a_next ) {
360 rc = bdb_index_values( be, txn,
361 ap->a_desc, ap->a_vals, e->e_id, op );
363 if( rc != LDAP_SUCCESS ) {
365 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
366 "index_entry: success\n" ));
368 Debug( LDAP_DEBUG_TRACE,
369 "<= index_entry_%s( %ld, \"%s\" ) success\n",
370 op == SLAP_INDEX_ADD_OP ? "add" : "del",
371 (long) e->e_id, e->e_dn );
378 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
379 "index_entry: success\n" ));
381 Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
382 op == SLAP_INDEX_ADD_OP ? "add" : "del",
383 (long) e->e_id, e->e_dn );