]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/filterindex.c
Mem context tweaks for bdb_dn2idl
[openldap] / servers / slapd / back-bdb / filterindex.c
index 8387a702ba3a3ff7d71776a503b54ee15ea019fa..24b2cbe843c407fc2a012078d56455337711394a 100644 (file)
@@ -1,7 +1,7 @@
 /* filterindex.c - generate the list of candidate entries from a filter */
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
 #include "idl.h"
 
 static int presence_candidates(
-       Backend *be,
+       Operation *op,
        AttributeDescription *desc,
        ID *ids );
 
 static int equality_candidates(
-       Backend *be,
+       Operation *op,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp );
 static int approx_candidates(
-       Backend *be,
+       Operation *op,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp );
 static int substring_candidates(
-       Backend *be,
+       Operation *op,
        SubstringsAssertion *sub,
        ID *ids,
        ID *tmp );
 
 static int list_candidates(
-       Backend *be,
+       Operation *op,
        Filter *flist,
        int ftype,
        ID *ids,
-       ID *tmp );
+       ID *tmp,
+       ID *stack );
 
 int
 bdb_filter_candidates(
-       Backend *be,
+       Operation *op,
        Filter  *f,
        ID *ids,
-       ID *tmp )
+       ID *tmp,
+       ID *stack )
 {
-       int rc = -1;
+       int rc = 0;
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ENTRY, "=> bdb_filter_candidates\n"));
+       LDAP_LOG ( INDEX, ENTRY, "=> bdb_filter_candidates\n", 0, 0, 0 );
 #else
        Debug( LDAP_DEBUG_FILTER, "=> bdb_filter_candidates\n", 0, 0, 0 );
 #endif
 
        switch ( f->f_choice ) {
+       case SLAPD_FILTER_COMPUTED:
+               break;
+
        case SLAPD_FILTER_DN_ONE:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tDN ONE\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tDN ONE\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tDN ONE\n", 0, 0, 0 );
 #endif
-               rc = bdb_dn2idl( be, f->f_dn, DN_ONE_PREFIX, ids );
+               rc = bdb_dn2idl( op->o_bd, f->f_dn, DN_ONE_PREFIX, ids,
+                       op->o_tmpmemctx );
+               if( rc == DB_NOTFOUND ) {
+                       BDB_IDL_ZERO( ids );
+                       rc = 0;
+               }
                break;
 
        case SLAPD_FILTER_DN_SUBTREE:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tDN SUBTREE\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tDN SUBTREE\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tDN SUBTREE\n", 0, 0, 0 );
 #endif
-               rc = bdb_dn2idl( be, f->f_dn, DN_SUBTREE_PREFIX, ids );
+               rc = bdb_dn2idl( op->o_bd, f->f_dn, DN_SUBTREE_PREFIX, ids,
+                       op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_PRESENT:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tPRESENT\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tPRESENT\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tPRESENT\n", 0, 0, 0 );
 #endif
-               rc = presence_candidates( be, f->f_desc, ids );
+               rc = presence_candidates( op, f->f_desc, ids );
                break;
 
        case LDAP_FILTER_EQUALITY:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tEQUALITY\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tEQUALITY\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tEQUALITY\n", 0, 0, 0 );
 #endif
-               rc = equality_candidates( be, f->f_ava, ids, tmp );
+               rc = equality_candidates( op, f->f_ava, ids, tmp );
                break;
 
        case LDAP_FILTER_APPROX:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tAPPROX\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tAPPROX\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tAPPROX\n", 0, 0, 0 );
 #endif
-               rc = approx_candidates( be, f->f_ava, ids, tmp );
+               rc = approx_candidates( op, f->f_ava, ids, tmp );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tSUBSTRINGS\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tSUBSTRINGS\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tSUBSTRINGS\n", 0, 0, 0 );
 #endif
-               rc = substring_candidates( be, f->f_sub, ids, tmp );
+               rc = substring_candidates( op, f->f_sub, ids, tmp );
                break;
 
        case LDAP_FILTER_GE:
                /* no GE index, use pres */
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tGE\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tGE\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tGE\n", 0, 0, 0 );
 #endif
-               rc = presence_candidates( be, f->f_ava->aa_desc, ids );
+               rc = presence_candidates( op, f->f_ava->aa_desc, ids );
                break;
 
        case LDAP_FILTER_LE:
                /* no LE index, use pres */
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tLE\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tLE\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tLE\n", 0, 0, 0 );
 #endif
-               rc = presence_candidates( be, f->f_ava->aa_desc, ids );
+               rc = presence_candidates( op, f->f_ava->aa_desc, ids );
                break;
 
        case LDAP_FILTER_NOT:
                /* no indexing to support NOT filters */
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tNOT\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tNOT\n",0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tNOT\n", 0, 0, 0 );
 #endif
+               { struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
+               BDB_IDL_ALL( bdb, ids );
+               }
                break;
 
        case LDAP_FILTER_AND:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tAND\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tAND\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tAND\n", 0, 0, 0 );
 #endif
-               rc = list_candidates( be
-                       f->f_and, LDAP_FILTER_AND, ids, tmp );
+               rc = list_candidates( op
+                       f->f_and, LDAP_FILTER_AND, ids, tmp, stack );
                break;
 
        case LDAP_FILTER_OR:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tOR\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tOR\n", 0, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER, "\tOR\n", 0, 0, 0 );
 #endif
-               rc = list_candidates( be
-                       f->f_or, LDAP_FILTER_OR, ids, tmp );
+               rc = list_candidates( op
+                       f->f_or, LDAP_FILTER_OR, ids, tmp, stack );
                break;
 
        default:
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_filter_candidates: \tUNKNOWN\n"));
+               LDAP_LOG ( INDEX, ARGS, "=> bdb_filter_candidates: \tUNKNOWN\n", 0, 0, 0 );
 #else
-               Debug( LDAP_DEBUG_FILTER, "\tUNKNOWN %d\n",
-                       f->f_choice, 0, 0 );
+               Debug( LDAP_DEBUG_FILTER, "\tUNKNOWN %lu\n",
+                       (unsigned long) f->f_choice, 0, 0 );
 #endif
+               /* Must not return NULL, otherwise extended filters break */
+               { struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
+               BDB_IDL_ALL( bdb, ids );
+               }
        }
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_filter_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+       LDAP_LOG ( INDEX, RESULTS, 
+               "<= bdb_filter_candidates: id=%ld first=%ld last=%ld\n", 
+               (long)ids[0], (long)BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ));
 #else
        Debug( LDAP_DEBUG_FILTER,
                "<= bdb_filter_candidates: id=%ld first=%ld last=%ld\n",
@@ -183,39 +203,29 @@ bdb_filter_candidates(
 
 static int
 list_candidates(
-       Backend *be,
+       Operation *op,
        Filter  *flist,
        int             ftype,
        ID *ids,
-       ID *tmp )
+       ID *tmp,
+       ID *save )
 {
-       struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+       struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
        int rc = 0;
        Filter  *f;
 
-/* Systems that can't increase thread stack size will die with these
- * structures allocated on the stack. */
-#if !defined(LDAP_PVT_THREAD_STACK_SIZE) || (LDAP_PVT_THREAD_STACK_SIZE == 0)
-       ID *save = ch_malloc(BDB_IDL_UM_SIZEOF);
-#else
-       ID save[BDB_IDL_UM_SIZE];
-#endif
-
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "=> bdb_list_candidates: 0x%x\n", ftype));
+       LDAP_LOG ( INDEX, ARGS, "=> bdb_list_candidates: 0x%x\n", ftype, 0 , 0 );
 #else
        Debug( LDAP_DEBUG_FILTER, "=> bdb_list_candidates 0x%x\n", ftype, 0, 0 );
 #endif
 
-       if ( ftype == LDAP_FILTER_OR ) {
-               BDB_IDL_ALL( bdb, save );
-               BDB_IDL_ZERO( ids );
-       } else {
-               BDB_IDL_CPY( save, ids );
-       }
+       /* Copy so we can propagate pre-computed IDLs */
+       BDB_IDL_CPY( save, ids );
 
        for ( f = flist; f != NULL; f = f->f_next ) {
-               rc = bdb_filter_candidates( be, f, save, tmp );
+               rc = bdb_filter_candidates( op, f, save, tmp,
+                       save+BDB_IDL_UM_SIZE );
 
                if ( rc != 0 ) {
                        if ( ftype == LDAP_FILTER_AND ) {
@@ -224,24 +234,31 @@ list_candidates(
                        }
                        break;
                }
+
                
                if ( ftype == LDAP_FILTER_AND ) {
-                       bdb_idl_intersection( ids, save );
+                       if ( f == flist ) {
+                               BDB_IDL_CPY( ids, save );
+                       } else {
+                               bdb_idl_intersection( ids, save );
+                       }
                        if( BDB_IDL_IS_ZERO( ids ) )
                                break;
                } else {
-                       bdb_idl_union( ids, save );
-                       BDB_IDL_ALL( bdb, save );
+                       if ( f == flist ) {
+                               BDB_IDL_CPY( ids, save );
+                       } else {
+                               bdb_idl_union( ids, save );
+                       }
                }
        }
 
-#if !defined(LDAP_PVT_THREAD_STACK_SIZE) || (LDAP_PVT_THREAD_STACK_SIZE == 0)
-       free(save);
-#endif
-
-       if( rc ) {
+       if( rc == LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_list_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_list_candidates: id=%ld first=%ld last=%ld\n",
+                       (long) ids[0], (long) BDB_IDL_FIRST( ids ), 
+                       (long) BDB_IDL_LAST( ids ) );
 #else
                Debug( LDAP_DEBUG_FILTER,
                        "<= bdb_list_candidates: id=%ld first=%ld last=%ld\n",
@@ -252,7 +269,7 @@ list_candidates(
 
        } else {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_ARGS, "<= bdb_list_candidates: rc=%d\n", rc));
+               LDAP_LOG ( INDEX, ARGS, "<= bdb_list_candidates: rc=%d\n", rc, 0, 0 );
 #else
                Debug( LDAP_DEBUG_FILTER,
                        "<= bdb_list_candidates: undefined rc=%d\n",
@@ -265,20 +282,22 @@ list_candidates(
 
 static int
 presence_candidates(
-       Backend *be,
+       Operation *op,
        AttributeDescription *desc,
        ID *ids )
 {
-       struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+       struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
        DB *db;
        int rc;
        slap_mask_t mask;
-       struct berval prefix = {0};
+       struct berval prefix = {0, NULL};
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ENTRY, "=> bdb_presence_candidates\n"));
+       LDAP_LOG ( INDEX, ENTRY, "=> bdb_presence_candidates (%s)\n", 
+                       desc->ad_cname.bv_val, 0, 0 );
 #else
-       Debug( LDAP_DEBUG_TRACE, "=> bdb_presence_candidates\n", 0, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "=> bdb_presence_candidates (%s)\n",
+                       desc->ad_cname.bv_val, 0, 0 );
 #endif
 
        if( desc == slap_schema.si_ad_objectClass ) {
@@ -286,16 +305,20 @@ presence_candidates(
                return 0;
        }
 
-       rc = bdb_index_param( be, desc, LDAP_FILTER_PRESENT,
+       rc = bdb_index_param( op->o_bd, desc, LDAP_FILTER_PRESENT,
                &db, &mask, &prefix );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_presence_candidates: index_parm returned=%d\n", rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_presence_candidates: (%s) index_param "
+                       "returned=%d\n",
+                       desc->ad_cname.bv_val, rc, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presence_candidates: index_param returned=%d\n",
-                       rc, 0, 0 );
+                       "<= bdb_presence_candidates: (%s) index_param "
+                       "returned=%d\n",
+                       desc->ad_cname.bv_val, rc, 0 );
 #endif
                return 0;
        }
@@ -303,44 +326,54 @@ presence_candidates(
        if( db == NULL ) {
                /* not indexed */
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_presence_candidates: not indexed\n" ));
+               LDAP_LOG(INDEX, RESULTS, 
+                       "<= bdb_presence_candidates: (%s) not indexed\n",
+                       desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presence_candidates: not indexed\n",
-                       0, 0, 0 );
+                       "<= bdb_presence_candidates: (%s) not indexed\n",
+                       desc->ad_cname.bv_val, 0, 0 );
 #endif
                return 0;
        }
 
        if( prefix.bv_val == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_presence_candidates: no prefix\n" ));
+               LDAP_LOG(INDEX, RESULTS, 
+                       "<= bdb_presence_candidates: (%s) no prefix\n",
+                       desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presence_candidates: no prefix\n",
-                       0, 0, 0 );
+                       "<= bdb_presence_candidates: (%s) no prefix\n",
+                       desc->ad_cname.bv_val, 0, 0 );
 #endif
                return 0;
        }
 
-       rc = bdb_key_read( be, db, NULL, &prefix, ids );
+       rc = bdb_key_read( op->o_bd, db, NULL, &prefix, ids );
 
        if( rc == DB_NOTFOUND ) {
                BDB_IDL_ZERO( ids );
                rc = 0;
        } else if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_presence_candidates: key read failed (%d)\n", rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_presence_candidates: (%s) "
+                       "key read failed (%d)\n",
+                       desc->ad_cname.bv_val, rc, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presense_candidates: key read failed (%d)\n",
-                       rc, 0, 0 );
+                       "<= bdb_presense_candidates: (%s) "
+                       "key read failed (%d)\n",
+                       desc->ad_cname.bv_val, rc, 0 );
 #endif
                goto done;
        }
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_presence_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+       LDAP_LOG ( INDEX, RESULTS, 
+               "<= bdb_presence_candidates: id=%ld first=%ld last=%ld\n",
+               (long)ids[0], (long)BDB_IDL_FIRST( ids ), (long)BDB_IDL_LAST( ids ) );
 #else
        Debug(LDAP_DEBUG_TRACE,
                "<= bdb_presence_candidates: id=%ld first=%ld last=%ld\n",
@@ -355,7 +388,7 @@ done:
 
 static int
 equality_candidates(
-       Backend *be,
+       Operation *op,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp )
@@ -364,36 +397,45 @@ equality_candidates(
        int i;
        int rc;
        slap_mask_t mask;
-       struct berval prefix = {0};
+       struct berval prefix = {0, NULL};
        struct berval *keys = NULL;
        MatchingRule *mr;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ENTRY, "=> equality_candidates\n"));
+       LDAP_LOG ( INDEX, ENTRY, "=> bdb_equality_candidates (%s)\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
-       Debug( LDAP_DEBUG_TRACE, "=> bdb_equality_candidates\n", 0, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "=> bdb_equality_candidates (%s)\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
 
-       rc = bdb_index_param( be, ava->aa_desc, LDAP_FILTER_EQUALITY,
+       rc = bdb_index_param( op->o_bd, ava->aa_desc, LDAP_FILTER_EQUALITY,
                &db, &mask, &prefix );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_equality_candidates: index_param failed (%d)\n", rc));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_equality_candidates: (%s) "
+                       "index_param failed (%d)\n", 
+                       ava->aa_desc->ad_cname.bv_val, rc, 0);
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_equality_candidates: index_param failed (%d)\n",
-                       rc, 0, 0 );
+                       "<= bdb_equality_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                return rc;
        }
 
        if ( db == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_equality_candidates: not indexed\n"));
+               LDAP_LOG(INDEX, RESULTS, 
+                       "<= bdb_equality_candidates: (%s) not indexed\n", 
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_equality_candidates: not indexed\n", 0, 0, 0 );
+                       "<= bdb_equality_candidates: (%s) not indexed\n", 
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                return -1;
        }
@@ -414,72 +456,92 @@ equality_candidates(
                mr,
                &prefix,
                &ava->aa_value,
-               &keys );
+               &keys, op->o_tmpmemctx );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_equality_candidates: MR filter failed (%d)\n", rc));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_equality_candidates: (%s, %s) "
+                       "MR filter failed (%d)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, rc );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_equality_candidates: MR filter failed (%d)\n",
-                       rc, 0, 0 );
+                       "<= bdb_equality_candidates: (%s, %s) "
+                       "MR filter failed (%d)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, rc );
 #endif
                return rc;
        }
 
        if( keys == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_equality_candidates: no keys\n"));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_equality_candidates: (%s) no keys\n", 
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_equality_candidates: no keys\n",
-                       0, 0, 0 );
+                       "<= bdb_equality_candidates: (%s) no keys\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                return 0;
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( be, db, NULL, &keys[i], tmp );
+               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
                        rc = 0;
+                       break;
                } else if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_equality_candidates: key read failed (%d)\n", rc));
+                       LDAP_LOG ( INDEX, RESULTS, 
+                               "<= bdb_equality_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #else
                        Debug( LDAP_DEBUG_TRACE,
-                               "<= bdb_equality_candidates key read failed (%d)\n",
-                               rc, 0, 0 );
+                               "<= bdb_equality_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                        break;
                }
 
                if( BDB_IDL_IS_ZERO( tmp ) ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "=> bdb_equality_candidates: NULL\n"));
+                       LDAP_LOG ( INDEX, RESULTS,
+                               "<= bdb_equality_candidates: (%s) NULL\n",
+                               ava->aa_desc->ad_cname.bv_val, 0, 0);
 #else
                        Debug( LDAP_DEBUG_TRACE,
-                               "<= bdb_equality_candidates NULL\n",
-                               0, 0, 0 );
+                               "<= bdb_equality_candidates: (%s) NULL\n", 
+                               ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                        BDB_IDL_ZERO( ids );
                        break;
                }
 
-               bdb_idl_intersection( ids, tmp );
+               if ( i == 0 ) {
+                       BDB_IDL_CPY( ids, tmp );
+               } else {
+                       bdb_idl_intersection( ids, tmp );
+               }
 
                if( BDB_IDL_IS_ZERO( ids ) )
                        break;
        }
 
-       ber_bvarray_free( keys );
+       ber_bvarray_free_x( keys, op->o_tmpmemctx );
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_equality_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+       LDAP_LOG ( INDEX, RESULTS, 
+               "<= bdb_equality_candidates: id=%ld first=%ld last=%ld\n", 
+               (long) ids[0], (long) BDB_IDL_FIRST( ids ), 
+               (long) BDB_IDL_LAST( ids ) );
 #else
        Debug( LDAP_DEBUG_TRACE,
-               "<= bdb_equality_candidates id=%ld, first=%ld, last=%ld\n",
+               "<= bdb_equality_candidates: id=%ld, first=%ld, last=%ld\n",
                (long) ids[0],
                (long) BDB_IDL_FIRST(ids),
                (long) BDB_IDL_LAST(ids) );
@@ -490,7 +552,7 @@ equality_candidates(
 
 static int
 approx_candidates(
-       Backend *be,
+       Operation *op,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp )
@@ -499,36 +561,45 @@ approx_candidates(
        int i;
        int rc;
        slap_mask_t mask;
-       struct berval prefix = {0};
+       struct berval prefix = {0, NULL};
        struct berval *keys = NULL;
        MatchingRule *mr;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ENTRY, "=> bdb_approx_candidates\n"));
+       LDAP_LOG ( INDEX, ENTRY, "=> bdb_approx_candidates (%s)\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
-       Debug( LDAP_DEBUG_TRACE, "=> bdb_approx_candidates\n", 0, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "=> bdb_approx_candidates (%s)\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
 
-       rc = bdb_index_param( be, ava->aa_desc, LDAP_FILTER_APPROX,
+       rc = bdb_index_param( op->o_bd, ava->aa_desc, LDAP_FILTER_APPROX,
                &db, &mask, &prefix );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: index_param failed (%d)\n", rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_approx_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_approx_candidates: index_param failed (%d)\n",
-                       rc, 0, 0 );
+                       "<= bdb_approx_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                return rc;
        }
 
        if ( db == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: not indexed\n" ));
+               LDAP_LOG(INDEX, RESULTS, 
+                       "<= bdb_approx_candidates: (%s) not indexed\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_approx_candidates: not indexed\n", 0, 0, 0 );
+                       "<= bdb_approx_candidates: (%s) not indexed\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                return -1;
        }
@@ -554,32 +625,38 @@ approx_candidates(
                mr,
                &prefix,
                &ava->aa_value,
-               &keys );
+               &keys, op->o_tmpmemctx );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: MR filter failed (%d)\n", rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_approx_candidates: (%s, %s) "
+                       "MR filter failed (%d)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, rc );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_approx_candidates: (%s) MR filter failed (%d)\n",
-                       prefix.bv_val, rc, 0 );
+                       "<= bdb_approx_candidates: (%s, %s) "
+                       "MR filter failed (%d)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, rc );
 #endif
                return rc;
        }
 
        if( keys == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: no keys (%s)\n", prefix.bv_val ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_approx_candidates: (%s) no keys (%s)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_approx_candidates: no keys (%s)\n",
-                       prefix.bv_val, 0, 0 );
+                       "<= bdb_approx_candidates: (%s) no keys (%s)\n",
+                       prefix.bv_val, ava->aa_desc->ad_cname.bv_val, 0 );
 #endif
                return 0;
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( be, db, NULL, &keys[i], tmp );
+               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
@@ -587,35 +664,50 @@ approx_candidates(
                        break;
                } else if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: key read failed (%d)\n", rc ));
+                       LDAP_LOG ( INDEX, RESULTS, 
+                               "<= bdb_approx_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               ava->aa_desc->ad_cname.bv_val, rc, 0);
 #else
-                       Debug( LDAP_DEBUG_TRACE, "<= bdb_approx_candidates key read failed (%d)\n",
-                               rc, 0, 0 );
+                       Debug( LDAP_DEBUG_TRACE,
+                               "<= bdb_approx_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               ava->aa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                        break;
                }
 
                if( BDB_IDL_IS_ZERO( tmp ) ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: NULL\n" ));
+                       LDAP_LOG ( INDEX, RESULTS, 
+                               "<= bdb_approx_candidates: (%s) NULL\n",
+                               ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #else
-                       Debug( LDAP_DEBUG_TRACE, "<= bdb_approx_candidates NULL\n",
-                               0, 0, 0 );
+                       Debug( LDAP_DEBUG_TRACE,
+                               "<= bdb_approx_candidates: (%s) NULL\n",
+                               ava->aa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                        BDB_IDL_ZERO( ids );
                        break;
                }
 
-               bdb_idl_intersection( ids, tmp );
+               if ( i == 0 ) {
+                       BDB_IDL_CPY( ids, tmp );
+               } else {
+                       bdb_idl_intersection( ids, tmp );
+               }
 
                if( BDB_IDL_IS_ZERO( ids ) )
                        break;
        }
 
-       ber_bvarray_free( keys );
+       ber_bvarray_free_x( keys, op->o_tmpmemctx );
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_approx_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+       LDAP_LOG ( INDEX, RESULTS, 
+               "<= bdb_approx_candidates: id=%ld first=%ld last=%ld\n", 
+               (long) ids[0], (long) BDB_IDL_FIRST( ids ), 
+               (long) BDB_IDL_LAST( ids ) );
 #else
        Debug( LDAP_DEBUG_TRACE, "<= bdb_approx_candidates %ld, first=%ld, last=%ld\n",
                (long) ids[0],
@@ -627,7 +719,7 @@ approx_candidates(
 
 static int
 substring_candidates(
-       Backend *be,
+       Operation *op,
        SubstringsAssertion     *sub,
        ID *ids,
        ID *tmp )
@@ -636,37 +728,45 @@ substring_candidates(
        int i;
        int rc;
        slap_mask_t mask;
-       struct berval prefix = {0};
+       struct berval prefix = {0, NULL};
        struct berval *keys = NULL;
        MatchingRule *mr;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_ENTRY, "=> bdb_substring_candidates\n"));
+       LDAP_LOG ( INDEX, ENTRY, "=> bdb_substring_candidates (%s)\n",
+                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #else
-       Debug( LDAP_DEBUG_TRACE, "=> bdb_substring_candidates\n", 0, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "=> bdb_substring_candidates (%s)\n",
+                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #endif
 
-       rc = bdb_index_param( be, sub->sa_desc, LDAP_FILTER_SUBSTRINGS,
+       rc = bdb_index_param( op->o_bd, sub->sa_desc, LDAP_FILTER_SUBSTRINGS,
                &db, &mask, &prefix );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: index_param failed (%d)\n", rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_substring_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       sub->sa_desc->ad_cname.bv_val, rc, 0);
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_substring_candidates: index_param failed (%d)\n",
-                       rc, 0, 0 );
+                       "<= bdb_substring_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       sub->sa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                return rc;
        }
 
        if ( db == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: not indexed\n"));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_substring_candidates: (%s) not indexed\n",
+                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_substring_candidates not indexed\n",
-                       0, 0, 0 );
+                       "<= bdb_substring_candidates: (%s) not indexed\n",
+                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                return -1;
        }
@@ -688,14 +788,18 @@ substring_candidates(
                mr,
                &prefix,
                sub,
-               &keys );
+               &keys, op->o_tmpmemctx );
 
        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: (%s) MR filter failed (%d)\n", sub->sa_desc->ad_cname.bv_val, rc ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_substring_candidates: (%s) "
+                       "MR filter failed (%d)\n", 
+                       sub->sa_desc->ad_cname.bv_val, rc, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_substring_candidates: (%s) MR filter failed (%d)\n",
+                       "<= bdb_substring_candidates: (%s) "
+                       "MR filter failed (%d)\n",
                        sub->sa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                return rc;
@@ -703,7 +807,9 @@ substring_candidates(
 
        if( keys == NULL ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: (%s) MR filter failed (%d)\n", mask, sub->sa_desc->ad_cname.bv_val ));
+               LDAP_LOG ( INDEX, RESULTS, 
+                       "<= bdb_substring_candidates: (0x%04lx) no keys (%s)\n",
+                       mask, sub->sa_desc->ad_cname.bv_val, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE,
                        "<= bdb_substring_candidates: (0x%04lx) no keys (%s)\n",
@@ -713,7 +819,7 @@ substring_candidates(
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( be, db, NULL, &keys[i], tmp );
+               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
@@ -721,37 +827,52 @@ substring_candidates(
                        break;
                } else if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: key read failed (%d)\n", rc));
+                       LDAP_LOG ( INDEX, RESULTS, 
+                               "<= bdb_substring_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               sub->sa_desc->ad_cname.bv_val, rc, 0 );
 #else
-                       Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates key read failed (%d)\n",
-                               rc, 0, 0 );
+                       Debug( LDAP_DEBUG_TRACE,
+                               "<= bdb_substring_candidates: (%s) "
+                               "key read failed (%d)\n",
+                               sub->sa_desc->ad_cname.bv_val, rc, 0 );
 #endif
                        break;
                }
 
                if( BDB_IDL_IS_ZERO( tmp ) ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: NULL \n" ));
+                       LDAP_LOG ( INDEX, RESULTS, 
+                               "<= bdb_substring_candidates: (%s) NULL\n",
+                               sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #else
-                       Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates NULL\n",
-                               0, 0, 0 );
+                       Debug( LDAP_DEBUG_TRACE,
+                               "<= bdb_substring_candidates: (%s) NULL\n",
+                               sub->sa_desc->ad_cname.bv_val, 0, 0 );
 #endif
                        BDB_IDL_ZERO( ids );
                        break;
                }
 
-               bdb_idl_intersection( ids, tmp );
+               if ( i == 0 ) {
+                       BDB_IDL_CPY( ids, tmp );
+               } else {
+                       bdb_idl_intersection( ids, tmp );
+               }
 
                if( BDB_IDL_IS_ZERO( ids ) )
                        break;
        }
 
-       ber_bvarray_free( keys );
+       ber_bvarray_free_x( keys, op->o_tmpmemctx );
 
 #ifdef NEW_LOGGING
-       LDAP_LOG (( "filterindex", LDAP_LEVEL_RESULTS, "<= bdb_substring_candidates: id=%ld first=%ld last=%ld\n", (long) ids[0], (long) BDB_IDL_FIRST( ids ), (long) BDB_IDL_LAST( ids ) ));
+       LDAP_LOG ( INDEX, RESULTS, 
+               "<= bdb_substring_candidates: id=%ld first=%ld last=%ld\n",
+               (long) ids[0], (long) BDB_IDL_FIRST( ids ), 
+               (long) BDB_IDL_LAST( ids ) );
 #else
-       Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates %ld, first=%ld, last=%ld\n",
+       Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates: %ld, first=%ld, last=%ld\n",
                (long) ids[0],
                (long) BDB_IDL_FIRST(ids),
                (long) BDB_IDL_LAST(ids) );