1 /* index.c - routines for dealing with attribute indexes */
4 * Copyright 1998-2000 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 & 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 & SLAP_INDEX_AUTO_SUBTYPES ) {
61 *atname = desc->ad_type->sat_cname;
62 *dbname = at->sat_cname.bv_val;
66 if( !( mask & SLAP_INDEX_NOSUBTYPES ) ) {
67 *atname = at->sat_cname;
68 *dbname = at->sat_cname.bv_val;
80 AttributeDescription *desc,
84 struct berval *prefixp )
91 mask = index_mask( be, desc, &dbname, prefixp );
94 return LDAP_INAPPROPRIATE_MATCHING;
97 rc = bdb_db_cache( be, dbname, &db );
99 if( rc != LDAP_SUCCESS ) {
104 case LDAP_FILTER_PRESENT:
105 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
110 case LDAP_FILTER_APPROX:
111 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
116 case LDAP_FILTER_EQUALITY:
117 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
122 case LDAP_FILTER_SUBSTRINGS:
123 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
132 return LDAP_INAPPROPRIATE_MATCHING;
144 struct berval *atname,
145 struct berval **vals,
153 AttributeDescription *ad = NULL;
158 rc = bdb_db_cache( be, dbname, &db );
160 if ( rc != LDAP_SUCCESS ) {
162 LDAP_LOG(( "index", LDAP_LEVEL_ERR,
163 "bdb_index_read: Could not open DB %s\n", dbname));
165 Debug( LDAP_DEBUG_ANY,
166 "<= bdb_index_read NULL (could not open %s)\n",
172 rc = slap_bv2ad( atname, &ad, &text );
173 if( rc != LDAP_SUCCESS ) return rc;
175 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
176 rc = bdb_key_change( be, db, txn, &presence_key, id, op );
182 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
183 rc = ad->ad_type->sat_equality->smr_indexer(
184 LDAP_FILTER_EQUALITY,
186 ad->ad_type->sat_syntax,
187 ad->ad_type->sat_equality,
188 atname, vals, &keys );
190 if( rc == LDAP_SUCCESS && keys != NULL ) {
191 for( i=0; keys[i].bv_val != NULL; i++ ) {
192 rc = bdb_key_change( be, db, txn, &keys[i], id, op );
194 bvarray_free( keys );
198 bvarray_free( keys );
203 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
204 rc = ad->ad_type->sat_approx->smr_indexer(
207 ad->ad_type->sat_syntax,
208 ad->ad_type->sat_approx,
209 atname, vals, &keys );
211 if( rc == LDAP_SUCCESS && keys != NULL ) {
212 for( i=0; keys[i].bv_val != NULL; i++ ) {
213 rc = bdb_key_change( be, db, txn, &keys[i], id, op );
215 bvarray_free( keys );
219 bvarray_free( keys );
225 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
226 rc = ad->ad_type->sat_substr->smr_indexer(
227 LDAP_FILTER_SUBSTRINGS,
229 ad->ad_type->sat_syntax,
230 ad->ad_type->sat_substr,
231 atname, vals, &keys );
233 if( rc == LDAP_SUCCESS && keys != NULL ) {
234 for( i=0; keys[i].bv_val != NULL; i++ ) {
235 bdb_key_change( be, db, txn, &keys[i], id, op );
237 bvarray_free( keys );
241 bvarray_free( keys );
251 static int index_at_values(
256 struct berval **vals,
263 slap_mask_t mask = 0;
264 slap_mask_t tmpmask = 0;
267 if( type->sat_sup ) {
269 rc = index_at_values( be, txn,
277 /* If this type has no AD, we've never used it before */
279 bdb_attr_mask( be->be_private, type->sat_ad, &mask );
283 *dbnamep = type->sat_cname.bv_val;
284 } else if ( !( tmpmask & SLAP_INDEX_AUTO_SUBTYPES ) ) {
289 rc = indexer( be, txn, *dbnamep,
300 AttributeDescription *desc;
305 desc = ad_find_lang( type, lang );
307 bdb_attr_mask( be->be_private, desc, &tmpmask );
311 dbname = desc->ad_cname.bv_val;
312 lname = desc->ad_cname;
316 if( dbname != NULL ) {
317 rc = indexer( be, txn, dbname, &lname,
322 ch_free( lname.bv_val );
333 int bdb_index_values(
336 AttributeDescription *desc,
337 struct berval **vals,
345 rc = index_at_values( be, txn,
346 desc->ad_type, &desc->ad_lang,
364 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
365 "index_entry: %s (%s) %ld\n",
366 op == SLAP_INDEX_ADD_OP ? "add" : "del",
367 e->e_dn, (long) e->e_id ));
369 Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
370 op == SLAP_INDEX_ADD_OP ? "add" : "del",
371 (long) e->e_id, e->e_dn );
374 /* add each attribute to the indexes */
375 for ( ; ap != NULL; ap = ap->a_next ) {
376 rc = bdb_index_values( be, txn,
377 ap->a_desc, ap->a_vals, e->e_id, op );
379 if( rc != LDAP_SUCCESS ) {
381 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
382 "index_entry: success\n" ));
384 Debug( LDAP_DEBUG_TRACE,
385 "<= index_entry_%s( %ld, \"%s\" ) success\n",
386 op == SLAP_INDEX_ADD_OP ? "add" : "del",
387 (long) e->e_id, e->e_dn );
394 LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
395 "index_entry: success\n" ));
397 Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
398 op == SLAP_INDEX_ADD_OP ? "add" : "del",
399 (long) e->e_id, e->e_dn );