]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-sql/init.c
Add link to FAQ entry on BDB tuning
[openldap] / servers / slapd / back-sql / init.c
index f78b0c7627a14ea95f8253ada8f9f28d460e05b8..a8fc074795cff9ec07f85f39addc72dbc797227a 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1999-2005 The OpenLDAP Foundation.
+ * Copyright 1999-2006 The OpenLDAP Foundation.
  * Portions Copyright 1999 Dmitry Kovalev.
  * Portions Copyright 2002 Pierangelo Masarati.
  * All rights reserved.
@@ -39,9 +39,9 @@ sql_back_initialize(
 #if 0 /* needs improvements */
                LDAP_CONTROL_NOOP,
 #endif
-#ifdef LDAP_CONTROL_VALUESRETURNFILTER
-               LDAP_CONTROL_VALUESRETURNFILTER,
-#endif /* LDAP_CONTROL_VALUESRETURNFILTER */
+#ifdef SLAP_CONTROL_X_TREE_DELETE
+               SLAP_CONTROL_X_TREE_DELETE,
+#endif /* SLAP_CONTROL_X_TREE_DELETE */
                NULL
        };
 
@@ -74,6 +74,7 @@ sql_back_initialize(
        bi->bi_chk_referrals = 0;
        bi->bi_operational = backsql_operational;
        bi->bi_entry_get_rw = backsql_entry_get;
+       bi->bi_entry_release_rw = backsql_entry_release;
  
        bi->bi_connection_init = 0;
        bi->bi_connection_destroy = backsql_connection_destroy;
@@ -96,17 +97,23 @@ backsql_db_init(
        BackendDB       *bd )
 {
        backsql_info    *bi;
+       int             rc = 0;
  
        Debug( LDAP_DEBUG_TRACE, "==>backsql_db_init()\n", 0, 0, 0 );
+
        bi = (backsql_info *)ch_calloc( 1, sizeof( backsql_info ) );
-       memset( bi, '\0', sizeof( backsql_info ) );
        ldap_pvt_thread_mutex_init( &bi->sql_dbconn_mutex );
        ldap_pvt_thread_mutex_init( &bi->sql_schema_mutex );
-       backsql_init_db_env( bi );
+
+       if ( backsql_init_db_env( bi ) != SQL_SUCCESS ) {
+               rc = -1;
+       }
 
        bd->be_private = bi;
+
        Debug( LDAP_DEBUG_TRACE, "<==backsql_db_init()\n", 0, 0, 0 );
-       return 0;
+
+       return rc;
 }
 
 int
@@ -116,6 +123,7 @@ backsql_db_destroy(
        backsql_info    *bi = (backsql_info*)bd->be_private;
  
        Debug( LDAP_DEBUG_TRACE, "==>backsql_db_destroy()\n", 0, 0, 0 );
+
        ldap_pvt_thread_mutex_lock( &bi->sql_dbconn_mutex );
        backsql_free_db_env( bi );
        ldap_pvt_thread_mutex_unlock( &bi->sql_dbconn_mutex );
@@ -124,34 +132,76 @@ backsql_db_destroy(
        backsql_destroy_schema_map( bi );
        ldap_pvt_thread_mutex_unlock( &bi->sql_schema_mutex );
        ldap_pvt_thread_mutex_destroy( &bi->sql_schema_mutex );
-       free( bi->sql_dbname );
-       free( bi->sql_dbuser );
+
+       if ( bi->sql_dbname ) {
+               ch_free( bi->sql_dbname );
+       }
+       if ( bi->sql_dbuser ) {
+               ch_free( bi->sql_dbuser );
+       }
        if ( bi->sql_dbpasswd ) {
-               free( bi->sql_dbpasswd );
+               ch_free( bi->sql_dbpasswd );
        }
        if ( bi->sql_dbhost ) {
-               free( bi->sql_dbhost );
+               ch_free( bi->sql_dbhost );
        }
        if ( bi->sql_upper_func.bv_val ) {
-               free( bi->sql_upper_func.bv_val );
-               free( bi->sql_upper_func_open.bv_val );
-               free( bi->sql_upper_func_close.bv_val );
+               ch_free( bi->sql_upper_func.bv_val );
+               ch_free( bi->sql_upper_func_open.bv_val );
+               ch_free( bi->sql_upper_func_close.bv_val );
+       }
+       if ( bi->sql_concat_func ) {
+               ber_bvarray_free( bi->sql_concat_func );
+       }
+       if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
+               ch_free( bi->sql_strcast_func.bv_val );
+       }
+       if ( !BER_BVISNULL( &bi->sql_children_cond ) ) {
+               ch_free( bi->sql_children_cond.bv_val );
+       }
+       if ( !BER_BVISNULL( &bi->sql_subtree_cond ) ) {
+               ch_free( bi->sql_subtree_cond.bv_val );
+       }
+       if ( !BER_BVISNULL( &bi->sql_dn_oc_aliasing ) ) {
+               ch_free( bi->sql_dn_oc_aliasing.bv_val );
+       }
+       if ( bi->sql_oc_query ) {
+               ch_free( bi->sql_oc_query );
+       }
+       if ( bi->sql_at_query ) {
+               ch_free( bi->sql_at_query );
+       }
+       if ( bi->sql_id_query ) {
+               ch_free( bi->sql_id_query );
+       }
+       if ( bi->sql_has_children_query ) {
+               ch_free( bi->sql_has_children_query );
+       }
+       if ( bi->sql_insentry_stmt ) {
+               ch_free( bi->sql_insentry_stmt );
+       }
+       if ( bi->sql_delentry_stmt ) {
+               ch_free( bi->sql_delentry_stmt );
+       }
+       if ( bi->sql_renentry_stmt ) {
+               ch_free( bi->sql_renentry_stmt );
+       }
+       if ( bi->sql_delobjclasses_stmt ) {
+               ch_free( bi->sql_delobjclasses_stmt );
+       }
+       if ( !BER_BVISNULL( &bi->sql_aliasing ) ) {
+               ch_free( bi->sql_aliasing.bv_val );
+       }
+       if ( !BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
+               ch_free( bi->sql_aliasing_quote.bv_val );
        }
-       
-       free( bi->sql_subtree_cond.bv_val );
-       free( bi->sql_oc_query );
-       free( bi->sql_at_query );
-       free( bi->sql_insentry_stmt );
-       free( bi->sql_delentry_stmt );
-       free( bi->sql_renentry_stmt );
-       free( bi->sql_delobjclasses_stmt );
 
        if ( bi->sql_anlist ) {
                int     i;
 
-               for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[i].an_name ); i++ )
+               for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[ i ].an_name ); i++ )
                {
-                       ch_free( bi->sql_anlist[i].an_name.bv_val );
+                       ch_free( bi->sql_anlist[ i ].an_name.bv_val );
                }
                ch_free( bi->sql_anlist );
        }
@@ -160,7 +210,7 @@ backsql_db_destroy(
                entry_free( bi->sql_baseObject );
        }
        
-       free( bi );
+       ch_free( bi );
        
        Debug( LDAP_DEBUG_TRACE, "<==backsql_db_destroy()\n", 0, 0, 0 );
        return 0;
@@ -174,8 +224,8 @@ backsql_db_open(
        SQLHDBC         dbh = SQL_NULL_HDBC;
        struct berbuf   bb = BB_NULL;
 
-       char            opbuf[ OPERATION_BUFFER_SIZE ];
-       Operation*      op = (Operation *)opbuf;
+       OperationBuffer opbuf;
+       Operation*      op = (Operation *) &opbuf;
        
        Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
                "testing RDBMS connection\n", 0, 0, 0 );
@@ -200,6 +250,21 @@ backsql_db_open(
                }
        }
 
+       /*
+        * see back-sql.h for default values
+        */
+       if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
+               ber_str2bv( BACKSQL_ALIASING,
+                       STRLENOF( BACKSQL_ALIASING ),
+                       1, &bi->sql_aliasing );
+       }
+
+       if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
+               ber_str2bv( BACKSQL_ALIASING_QUOTE,
+                       STRLENOF( BACKSQL_ALIASING_QUOTE ),
+                       1, &bi->sql_aliasing_quote );
+       }
+
        /*
         * Prepare cast string as required
         */
@@ -228,10 +293,10 @@ backsql_db_open(
 
        /* normalize filter values only if necessary */
        bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
-       assert( bi->sql_caseIgnoreMatch );
+       assert( bi->sql_caseIgnoreMatch != NULL );
 
        bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
-       assert( bi->sql_telephoneNumberMatch );
+       assert( bi->sql_telephoneNumberMatch != NULL );
 
        if ( bi->sql_dbuser == NULL ) {
                Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
@@ -240,7 +305,7 @@ backsql_db_open(
                return 1;
        }
        
-       if ( bi->sql_subtree_cond.bv_val == NULL ) {
+       if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
                /*
                 * Prepare concat function for subtree search condition
                 */
@@ -270,7 +335,7 @@ backsql_db_open(
                         * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
                         */
 
-                       backsql_strfcat( &bb, "blbbb",
+                       backsql_strfcat_x( &bb, NULL, "blbbb",
                                        &bi->sql_upper_func,
                                        (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
                                                "(ldap_entries.dn) LIKE ",
@@ -284,12 +349,14 @@ backsql_db_open(
                         * ldap_entries.dn LIKE CONCAT('%',?)
                         */
 
-                       backsql_strfcat( &bb, "lb",
+                       backsql_strfcat_x( &bb, NULL, "lb",
                                        (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
                                                "ldap_entries.dn LIKE ",
                                        &concat );
                }
 
+               ch_free( concat.bv_val );
+
                bi->sql_subtree_cond = bb.bb_val;
                        
                Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
@@ -306,7 +373,7 @@ backsql_db_open(
                         * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
                         */
 
-                       backsql_strfcat( &bb, "blbl",
+                       backsql_strfcat_x( &bb, NULL, "blbl",
                                        &bi->sql_upper_func,
                                        (ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
                                                "(ldap_entries.dn)=",
@@ -319,7 +386,7 @@ backsql_db_open(
                         * ldap_entries.dn LIKE CONCAT('%,',?)
                         */
 
-                       backsql_strfcat( &bb, "l",
+                       backsql_strfcat_x( &bb, NULL, "l",
                                        (ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
                                                "ldap_entries.dn=?");
                }
@@ -403,6 +470,7 @@ backsql_db_open(
                bi->sql_delobjclasses_stmt = ch_strdup( backsql_def_delobjclasses_stmt );
        }
 
+       /* This should just be to force schema loading */
        op->o_hdr = (Opheader *)&op[ 1 ];
        op->o_connid = (unsigned long)(-1);
        op->o_bd = bd;
@@ -412,26 +480,37 @@ backsql_db_open(
                return 1;
        }
 
+       if ( backsql_free_db_conn( op ) != SQL_SUCCESS ) {
+               Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+                       "connection free failed\n", 0, 0, 0 );
+       }
+       if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
+               Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+                       "test failed, schema map not loaded - exiting\n",
+                       0, 0, 0 );
+               return 1;
+       }
+
        /*
         * Prepare ID selection query
         */
        if ( bi->sql_id_query == NULL ) {
                /* no custom id_query provided */
                if ( bi->sql_upper_func.bv_val == NULL ) {
-                       backsql_strcat( &bb, backsql_id_query, "dn=?", NULL );
+                       backsql_strcat_x( &bb, NULL, backsql_id_query, "dn=?", NULL );
 
                } else {
                        if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
-                               backsql_strcat( &bb, backsql_id_query,
+                               backsql_strcat_x( &bb, NULL, backsql_id_query,
                                                "dn_ru=?", NULL );
                        } else {
                                if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
-                                       backsql_strfcat( &bb, "sbl",
+                                       backsql_strfcat_x( &bb, NULL, "sbl",
                                                        backsql_id_query,
                                                        &bi->sql_upper_func, 
                                                        (ber_len_t)STRLENOF( "(dn)=?" ), "(dn)=?" );
                                } else {
-                                       backsql_strfcat( &bb, "sblbcb",
+                                       backsql_strfcat_x( &bb, NULL, "sblbcb",
                                                        backsql_id_query,
                                                        &bi->sql_upper_func, 
                                                        (ber_len_t)STRLENOF( "(dn)=" ), "(dn)=",
@@ -444,28 +523,31 @@ backsql_db_open(
                bi->sql_id_query = bb.bb_val.bv_val;
        }
 
-               /*
+       /*
         * Prepare children ID selection query
         */
-       bi->sql_has_children_query = NULL;
-
-       bb.bb_val.bv_val = NULL;
-       bb.bb_val.bv_len = 0;
+       BER_BVZERO( &bb.bb_val );
        bb.bb_len = 0;
-       backsql_strfcat( &bb, "sb",
-                       "SELECT COUNT(distinct subordinates.id) FROM ldap_entries,ldap_entries subordinates WHERE subordinates.parent=ldap_entries.id AND ",
-
+       backsql_strfcat_x( &bb, NULL, "sbsb",
+                       "SELECT COUNT(distinct subordinates.id) "
+                       "FROM ldap_entries,ldap_entries ",
+                       &bi->sql_aliasing, "subordinates "
+                       "WHERE subordinates.parent=ldap_entries.id AND ",
                        &bi->sql_children_cond );
        bi->sql_has_children_query = bb.bb_val.bv_val;
  
-       backsql_free_db_conn( op );
-       if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
-               Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
-                       "test failed, schema map not loaded - exiting\n",
-                       0, 0, 0 );
-               return 1;
-       }
-
+       /*
+        * Prepare DN and objectClass aliasing bit of query
+        */
+       BER_BVZERO( &bb.bb_val );
+       bb.bb_len = 0;
+       backsql_strfcat_x( &bb, NULL, "sbbsbsbbsb",
+                       " ", &bi->sql_aliasing, &bi->sql_aliasing_quote,
+                       "objectClass", &bi->sql_aliasing_quote,
+                       ",ldap_entries.dn ", &bi->sql_aliasing,
+                       &bi->sql_aliasing_quote, "dn", &bi->sql_aliasing_quote );
+       bi->sql_dn_oc_aliasing = bb.bb_val;
        /* should never happen! */
        assert( bd->be_nsuffix != NULL );
        
@@ -473,6 +555,8 @@ backsql_db_open(
                /* enable if only one suffix is defined */
                bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
        }
+
+       bi->sql_flags |= BSQLF_CHECK_SCHEMA;
        
        Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
                "test succeeded, schema map loaded\n", 0, 0, 0 );
@@ -483,16 +567,22 @@ int
 backsql_db_close(
        BackendDB       *bd )
 {
+       backsql_info    *bi = (backsql_info*)bd->be_private;
+
        Debug( LDAP_DEBUG_TRACE, "==>backsql_db_close()\n", 0, 0, 0 );
+
+       backsql_conn_destroy( bi );
+
        Debug( LDAP_DEBUG_TRACE, "<==backsql_db_close()\n", 0, 0, 0 );
+
        return 0;
 }
 
 int
 backsql_connection_destroy( Backend *bd, Connection *c )
 {
-       char            opbuf[ OPERATION_BUFFER_SIZE ];
-       Operation*      op = (Operation *)opbuf;
+       OperationBuffer opbuf;
+       Operation*      op = (Operation *) &opbuf;
 
        op->o_hdr = (Opheader *)&op[ 1 ];
        op->o_connid = c->c_connid;