]> git.sur5r.net Git - openldap/commitdiff
Removed unused "range" argument from indexing functions. Fixed more
authorHoward Chu <hyc@openldap.org>
Sat, 24 Nov 2001 03:46:02 +0000 (03:46 +0000)
committerHoward Chu <hyc@openldap.org>
Sat, 24 Nov 2001 03:46:02 +0000 (03:46 +0000)
bugs in indexing. Uncommented #define to turn on indexing in back-bdb.h.
It looks like it's working.

servers/slapd/back-bdb/back-bdb.h
servers/slapd/back-bdb/filterindex.c
servers/slapd/back-bdb/proto-bdb.h
servers/slapd/back-bdb/search.c

index 79b45ec0c96cb729ade5a17b5fc5230ce9b2fd01..8b531f813ff01b03e0864764f46e501dee841885 100644 (file)
@@ -15,8 +15,7 @@
 
 LDAP_BEGIN_DECL
 
-/* #define BDB_FILTER_INDICES 1 */
-/* #define SLAPD_USE_AD 1 */
+#define BDB_FILTER_INDICES 1
 
 #define DN_BASE_PREFIX         SLAP_INDEX_EQUALITY_PREFIX
 #define DN_ONE_PREFIX          '%'
index a07341fa95d2ec378f2ce7de54b3488faf8ae431..d9ee1f471751508350e74b82d65adf1838a9704e 100644 (file)
 
 static int presence_candidates(
        Backend *be,
-       ID *range,
        AttributeDescription *desc,
        ID *ids );
 static int equality_candidates(
        Backend *be,
-       ID *range,
        AttributeAssertion *ava,
        ID *ids );
 static int approx_candidates(
        Backend *be,
-       ID *range,
        AttributeAssertion *ava,
        ID *ids );
 static int substring_candidates(
        Backend *be,
-       ID *range,
        SubstringsAssertion *sub,
        ID *ids );
 
 static int list_candidates(
        Backend *be,
-       ID *range,
        Filter *flist,
        int ftype,
        ID *ids );
@@ -47,7 +42,6 @@ static int list_candidates(
 int
 bdb_filter_candidates(
        Backend *be,
-       ID *range,
        Filter  *f,
        ID *ids )
 {
@@ -67,34 +61,34 @@ bdb_filter_candidates(
 
        case LDAP_FILTER_PRESENT:
                Debug( LDAP_DEBUG_FILTER, "\tPRESENT\n", 0, 0, 0 );
-               rc = presence_candidates( be, range, f->f_desc, ids );
+               rc = presence_candidates( be, f->f_desc, ids );
                break;
 
        case LDAP_FILTER_EQUALITY:
                Debug( LDAP_DEBUG_FILTER, "\tEQUALITY\n", 0, 0, 0 );
-               rc = equality_candidates( be, range, f->f_ava, ids );
+               rc = equality_candidates( be, f->f_ava, ids );
                break;
 
        case LDAP_FILTER_APPROX:
                Debug( LDAP_DEBUG_FILTER, "\tAPPROX\n", 0, 0, 0 );
-               rc = approx_candidates( be, range, f->f_ava, ids );
+               rc = approx_candidates( be, f->f_ava, ids );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
                Debug( LDAP_DEBUG_FILTER, "\tSUBSTRINGS\n", 0, 0, 0 );
-               rc = substring_candidates( be, range, f->f_sub, ids );
+               rc = substring_candidates( be, f->f_sub, ids );
                break;
 
        case LDAP_FILTER_GE:
                /* no GE index, use pres */
                Debug( LDAP_DEBUG_FILTER, "\tGE\n", 0, 0, 0 );
-               rc = presence_candidates( be, range, f->f_desc, ids );
+               rc = presence_candidates( be, f->f_desc, ids );
                break;
 
        case LDAP_FILTER_LE:
                /* no LE index, use pres */
                Debug( LDAP_DEBUG_FILTER, "\tLE\n", 0, 0, 0 );
-               rc = presence_candidates( be, range, f->f_desc, ids );
+               rc = presence_candidates( be, f->f_desc, ids );
                break;
 
        case LDAP_FILTER_NOT:
@@ -104,13 +98,13 @@ bdb_filter_candidates(
 
        case LDAP_FILTER_AND:
                Debug( LDAP_DEBUG_FILTER, "\tAND\n", 0, 0, 0 );
-               rc = list_candidates( be, range,
+               rc = list_candidates( be, 
                        f->f_and, LDAP_FILTER_AND, ids );
                break;
 
        case LDAP_FILTER_OR:
                Debug( LDAP_DEBUG_FILTER, "\tOR\n", 0, 0, 0 );
-               rc = list_candidates( be, range,
+               rc = list_candidates( be, 
                        f->f_or, LDAP_FILTER_OR, ids );
                break;
 
@@ -119,69 +113,73 @@ bdb_filter_candidates(
                        f->f_choice, 0, 0 );
        }
 
-       if( rc ) {
-               BDB_IDL_CPY( ids, range );
-       }
-
        Debug( LDAP_DEBUG_FILTER,
                "<= bdb_filter_candidates: id=%ld first=%ld last=%ld\n",
                (long) ids[0],
                (long) BDB_IDL_FIRST( ids ),
                (long) BDB_IDL_LAST( ids ) );
 
-       return 0;
+       return rc;
 }
 
 static int
 list_candidates(
        Backend *be,
-       ID *range,
        Filter  *flist,
        int             ftype,
        ID *ids )
 {
        int rc = 0;
        Filter  *f;
+       ID tmp[BDB_IDL_UM_SIZE];
+       ID save[BDB_IDL_UM_SIZE];
+       ID *i1, *i2, *i3, *t;
 
        Debug( LDAP_DEBUG_FILTER, "=> bdb_list_candidates 0x%x\n", ftype, 0, 0 );
 
-       if( ftype == LDAP_FILTER_AND ) {
-               BDB_IDL_CPY( ids, range );
-       } else {
-               BDB_IDL_ZERO( ids );
-       }
+       /* Swap i1/i2/i3 pointers around to avoid a bunch of BDB_IDL_CPYs
+        * inside the loop
+        */
+       i1 = ids;
+       i2 = save;
+       i3 = tmp;
 
        for ( f = flist; f != NULL; f = f->f_next ) {
-               ID tmp[BDB_IDL_UM_SIZE];
-               ID result[BDB_IDL_UM_SIZE];
-               rc = bdb_filter_candidates( be, range, f, tmp );
+               BDB_IDL_ZERO( i1 );
+               rc = bdb_filter_candidates( be, f, i2 );
 
                if ( rc != 0 ) {
                        /* Error: treat as undefined */
-                       if( ftype == LDAP_FILTER_AND ) {
-                               continue;
-                       }
-                       BDB_IDL_CPY( ids, range );
-                       break;
+                       continue;
+               }
+               
+               if ( f == flist ) {
+                       /* We're just starting out... */
+                       t = i3;
+                       i3 = i2;
+                       i2 = t;
+                       continue;
                }
 
+               t = i1;
+               i1 = i3;
+               i3 = t;
 
                if ( ftype == LDAP_FILTER_AND ) {
-                       bdb_idl_intersection( tmp, ids, result );
-                       if( BDB_IDL_IS_ZERO( result ) ) {
-                               BDB_IDL_ZERO( ids );
+                       bdb_idl_intersection( i1, i2, i3 );
+                       if( BDB_IDL_IS_ZERO( i3 ) ) {
+                               if ( i3 != ids ) {
+                                       BDB_IDL_ZERO( ids );
+                                       i3 = ids;
+                               }
                                break;
                        }
                } else {
-                       bdb_idl_union( tmp, ids, result );
-                       if( BDB_IDL_IS_ALL( range, result ) ) {
-                               BDB_IDL_CPY( ids, range );
-                               break;
-                       }
+                       bdb_idl_union( i1, i2, i3 );
                }
-
-               BDB_IDL_CPY( ids, result );
        }
+       if (i3 != ids)
+               BDB_IDL_CPY(ids, i3);
 
        Debug( LDAP_DEBUG_FILTER,
                "<= bdb_list_candidates: id=%ld first=%ld last=%ld\n",
@@ -194,7 +192,6 @@ list_candidates(
 static int
 presence_candidates(
        Backend *be,
-       ID *range,
        AttributeDescription *desc,
        ID *ids )
 {
@@ -258,7 +255,6 @@ done:
 static int
 equality_candidates(
        Backend *be,
-       ID *range,
        AttributeAssertion *ava,
        ID *ids )
 {
@@ -269,10 +265,12 @@ equality_candidates(
        struct berval prefix = {0};
        struct berval **keys = NULL;
        MatchingRule *mr;
+       ID tmp[BDB_IDL_UM_SIZE];
+       ID save[BDB_IDL_UM_SIZE];
+       ID *i1, *i2, *i3, *t;
 
        Debug( LDAP_DEBUG_TRACE, "=> bdb_equality_candidates\n", 0, 0, 0 );
-
-       BDB_IDL_CPY( range, ids );
+       BDB_IDL_ZERO( ids );
 
        rc = bdb_index_param( be, ava->aa_desc, LDAP_FILTER_EQUALITY,
                &db, &mask, &prefix );
@@ -322,11 +320,14 @@ equality_candidates(
                return 0;
        }
 
+       /* Swap i1/i2/i3 pointers around to avoid a bunch of BDB_IDL_CPYs
+        * inside the loop
+        */
+       i1 = ids;
+       i2 = save;
+       i3 = tmp;
        for ( i= 0; keys[i] != NULL; i++ ) {
-               ID save[BDB_IDL_UM_SIZE];
-               ID tmp[BDB_IDL_UM_SIZE];
-
-               rc = bdb_key_read( be, db, NULL, keys[i], tmp );
+               rc = bdb_key_read( be, db, NULL, keys[i], i2 );
 
                if( rc != LDAP_SUCCESS ) {
                        Debug( LDAP_DEBUG_TRACE,
@@ -335,18 +336,49 @@ equality_candidates(
                        break;
                }
 
-               if( tmp[0] == 0 ) {
+               if( BDB_IDL_IS_ZERO( i2 ) ) {
                        Debug( LDAP_DEBUG_TRACE,
                                "<= bdb_equality_candidates NULL\n",
                                0, 0, 0 );
+                       if (i3 != ids)
+                               BDB_IDL_ZERO( ids );
+                       i3 = ids;
                        break;
                }
 
-               memcpy(save, ids, sizeof(save));
-               bdb_idl_intersection( save, tmp, ids );
+               /* We've only gotten one set of IDs, nothing to intersect
+                * with yet. Just go back and get another set of IDs.
+                */
+               if (i == 0)
+               {
+                       t = i3;
+                       i3 = i2;
+                       i2 = t;
+                       continue;
+               }
 
-               if( ids[0] == 0 ) break;
+               /* Swap ids and save every time we get a new intersection.
+                * This avoids multiple copies... The result is always
+                * pointed to by i3.
+                */
+
+               t = i1;
+               i1 = i3;
+               i3 = t;
+
+               bdb_idl_intersection( i1, i2, i3 );
+
+               if( BDB_IDL_IS_ZERO( i3 ) ) {
+                       if ( i3 != ids ) {
+                               BDB_IDL_ZERO( ids );
+                               i3 = ids;
+                       }
+                       break;
+               }
        }
+       /* If we didn't end up with the result in ids, copy it now. */
+       if (i3 != ids)
+               BDB_IDL_CPY(ids, i3);
 
        ber_bvecfree( keys );
 
@@ -362,7 +394,6 @@ equality_candidates(
 static int
 approx_candidates(
        Backend *be,
-       ID *range,
        AttributeAssertion *ava,
        ID *ids )
 {
@@ -373,8 +404,12 @@ approx_candidates(
        struct berval prefix = {0};
        struct berval **keys = NULL;
        MatchingRule *mr;
+       ID tmp[BDB_IDL_UM_SIZE];
+       ID save[BDB_IDL_UM_SIZE];
+       ID *i1, *i2, *i3, *t;
 
        Debug( LDAP_DEBUG_TRACE, "=> bdb_approx_candidates\n", 0, 0, 0 );
+       BDB_IDL_ZERO( ids );
 
        rc = bdb_index_param( be, ava->aa_desc, LDAP_FILTER_APPROX,
                &db, &mask, &prefix );
@@ -429,11 +464,14 @@ approx_candidates(
                return 0;
        }
 
+       /* Swap i1/i2/i3 pointers around to avoid a bunch of BDB_IDL_CPYs
+        * inside the loop
+        */
+       i1 = ids;
+       i2 = save;
+       i3 = tmp;
        for ( i= 0; keys[i] != NULL; i++ ) {
-               ID save[BDB_IDL_UM_SIZE];
-               ID tmp[BDB_IDL_UM_SIZE];
-
-               rc = bdb_key_read( be, db, NULL, keys[i], tmp );
+               rc = bdb_key_read( be, db, NULL, keys[i], i2 );
 
                if( rc != LDAP_SUCCESS ) {
                        Debug( LDAP_DEBUG_TRACE, "<= bdb_approx_candidates key read failed (%d)\n",
@@ -441,17 +479,39 @@ approx_candidates(
                        break;
                }
 
-               if( tmp[0] == 0 ) {
+               if( BDB_IDL_IS_ZERO( i2 ) ) {
                        Debug( LDAP_DEBUG_TRACE, "<= bdb_approx_candidates NULL\n",
                                0, 0, 0 );
+                       if (i3 != ids)
+                               BDB_IDL_ZERO( ids );
+                       i3 = ids;
                        break;
                }
 
-               memcpy(save, ids, sizeof(save));
-               bdb_idl_intersection( save, tmp, ids );
+               if (i == 0)
+               {
+                       t = i3;
+                       i3 = i2;
+                       i2 = t;
+                       continue;
+               }
 
-               if( ids[0] == 0 ) break;
+               t = i1;
+               i1 = i3;
+               i3 = t;
+
+               bdb_idl_intersection( i1, i2, i3 );
+
+               if( BDB_IDL_IS_ZERO( i3 ) ) {
+                       if ( i3 != ids ) {
+                               BDB_IDL_ZERO( ids );
+                               i3 = ids;
+                       }
+                       break;
+               }
        }
+       if (i3 != ids)
+               BDB_IDL_CPY(ids, i3);
 
        ber_bvecfree( keys );
 
@@ -466,7 +526,6 @@ approx_candidates(
 static int
 substring_candidates(
        Backend *be,
-       ID *range,
        SubstringsAssertion     *sub,
        ID *ids )
 {
@@ -477,8 +536,12 @@ substring_candidates(
        struct berval prefix = {0};
        struct berval **keys = NULL;
        MatchingRule *mr;
+       ID tmp[BDB_IDL_UM_SIZE];
+       ID save[BDB_IDL_UM_SIZE];
+       ID *i1, *i2, *i3, *t;
 
        Debug( LDAP_DEBUG_TRACE, "=> bdb_substring_candidates\n", 0, 0, 0 );
+       BDB_IDL_ZERO( ids );
 
        rc = bdb_index_param( be, sub->sa_desc, LDAP_FILTER_SUBSTRINGS,
                &db, &mask, &prefix );
@@ -530,11 +593,14 @@ substring_candidates(
                return 0;
        }
 
+       /* Swap i1/i2/i3 pointers around to avoid a bunch of BDB_IDL_CPYs
+        * inside the loop
+        */
+       i1 = ids;
+       i2 = save;
+       i3 = tmp;
        for ( i= 0; keys[i] != NULL; i++ ) {
-               ID save[BDB_IDL_UM_SIZE];
-               ID tmp[BDB_IDL_UM_SIZE];
-
-               rc = bdb_key_read( be, db, NULL, keys[i], tmp );
+               rc = bdb_key_read( be, db, NULL, keys[i], i2 );
 
                if( rc != LDAP_SUCCESS ) {
                        Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates key read failed (%d)\n",
@@ -542,17 +608,39 @@ substring_candidates(
                        break;
                }
 
-               if( tmp[0] == 0 ) {
+               if( BDB_IDL_IS_ZERO( i2 ) ) {
                        Debug( LDAP_DEBUG_TRACE, "<= bdb_substring_candidates NULL\n",
                                0, 0, 0 );
+                       if (i3 != ids)
+                               BDB_IDL_ZERO( ids );
+                       i3 = ids;
                        break;
                }
 
-               memcpy(save, ids, sizeof(save));
-               bdb_idl_intersection( save, tmp, ids );
+               if (i == 0)
+               {
+                       t = i3;
+                       i3 = i2;
+                       i2 = t;
+                       continue;
+               }
+
+               t = i1;
+               i1 = i3;
+               i3 = t;
 
-               if( ids[0] == 0 ) break;
+               bdb_idl_intersection( i1, i2, i3 );
+
+               if( BDB_IDL_IS_ZERO( i3 ) ) {
+                       if ( i3 != ids ) {
+                               BDB_IDL_ZERO( ids );
+                               i3 = ids;
+                       }
+                       break;
+               }
        }
+       if (i3 != ids)
+               BDB_IDL_CPY(ids, i3);
 
        ber_bvecfree( keys );
 
index 66a3015d1f36d3601e4e47fdb8a024572a167ec9..4fd1c3f02a9d04b8cd9a84bd56faf2c32c369b9c 100644 (file)
@@ -118,7 +118,6 @@ void bdb_errcall( const char *pfx, char * msg );
  */
 int bdb_filter_candidates(
        Backend *be,
-       ID *range,
        Filter  *f,
        ID *ids );
 
index 72c2ee079496e1d696b9c3a4eba236cdd6551156..eb74015ecafed2b2bb298526286dd94d463667a6 100644 (file)
@@ -485,14 +485,11 @@ static int search_candidates(
        Filter  af;
        AttributeAssertion aa_alias;
 #endif
-       ID              range[BDB_IDL_UM_SIZE];
 
        Debug(LDAP_DEBUG_TRACE,
                "search_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
                e->e_dn, (long) e->e_id, scope );
 
-       BDB_IDL_ZERO(range);
-
        xf.f_or = filter;
        xf.f_choice = LDAP_FILTER_OR;
        xf.f_next = NULL;
@@ -532,7 +529,7 @@ static int search_candidates(
 
 
 #ifdef BDB_FILTER_INDICES
-       rc = bdb_filter_candidates( be, range, &f, ids );
+       rc = bdb_filter_candidates( be, &f, ids );
 #else
        /* FIXME: Original code:
        BDB_IDL_ID( bdb, ids, e->e_id );