diff --git a/manifest b/manifest
index 57dca557ce..df046678e8 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sthe\s"ALTER\sTABLE\sxxx\sRENAME\sTO\syyy"\scommand.\s(CVS\s2092)
-D 2004-11-12T13:42:31
+C Add\sauthorization\scallbacks\sto\sALTER\sTABLE.\s(CVS\s2093)
+D 2004-11-12T15:53:37
 F Makefile.in c4d2416860f472a1e3393714d0372074197565df
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README a01693e454a00cc117967e3f9fdab2d4d52e9bc1
@@ -31,7 +31,7 @@ F src/attach.c e49d09dad9f5f9fb10b4b0c1be5a70ae4c45e689
 F src/auth.c 3b81f2a42f48a62c2c9c9b0eda31a157c681edea
 F src/btree.c 9fd74df65bad768a441afefc3b73174d45b85d5b
 F src/btree.h 861e40b759a195ba63819740e484390012cf81ab
-F src/build.c cbd985e9d0168204fcca3e1123f0b7f621f402e6
+F src/build.c 45ba40523aa4f9130c5a5af8b7db5d0d878443a3
 F src/date.c 4fd4e90b3880dacd67305e96330940dc243ffc10
 F src/delete.c f0af21a1ede15524a5edd59fe10ef486283a1ee9
 F src/expr.c 4ee3e47358c92a919062255b14057a7a8f641e01
@@ -60,11 +60,11 @@ F src/printf.c 3d20b21cfecadacecac3fb7274e746cb81d3d357
 F src/random.c eff68e3f257e05e81eae6c4d50a51eb88beb4ff3
 F src/select.c 156990c636102bb6b8de85e7ff3396a62568476b
 F src/shell.c 55adda3cf3c1cc2f6c1919aac17b2318f9c2a96f
-F src/sqlite.h.in 4f97b5907acfd2a5068cb0cec9d5178816734db7
+F src/sqlite.h.in a44eac0716bf4751447160d5c8ed049ece66d45a
 F src/sqliteInt.h 8569ce94e891a854de71d7bd628da1d25ee6dfe4
 F src/table.c 25b3ff2b39b7d87e8d4a5da0713d68dfc06cbee9
-F src/tclsqlite.c 0302e3f42f015d132d1291f3388c06e86c24a008
-F src/test1.c e80e070fe794cdc204ec144ce03bd7b27dab4946
+F src/tclsqlite.c 7f1a1a678140e6901c8954590ca2aabe50b48f71
+F src/test1.c f4dca9e072971dd0207a2d09913da48dac7f7871
 F src/test2.c b11fa244fff02190707dd0879987c37c75e61fc8
 F src/test3.c 6f1ec93e13632a004b527049535079eda84c459d
 F src/test4.c 7c6b9fc33dd1f3f93c7f1ee6e5e6d016afa6c1df
@@ -83,11 +83,11 @@ F src/vdbeaux.c c6da55e0096e141211f918837eca98e0be6400b4
 F src/vdbemem.c ef9ac7d32acfe4bce5c5b408b1294c8d9e0cdb56
 F src/where.c 6e637a6b3e61fe3104adc4e5caa4738bf6570daa
 F test/all.test 929bfa932b55e75c96fe2203f7650ba451c1862c
-F test/alter.test faf3440c4170033f5ea38d1343a0d82f4f3f7017
+F test/alter.test ea6b104fa83da6970b1ce61885827817bdaced3a
 F test/attach.test e305dd59a375e37c658c6d401f19f8a95880bf9a
 F test/attach2.test 399128a7b3b209a339a8dbf53ca2ed42eb982d1a
 F test/attach3.test 8a0309e284cf9aa1d7d6cc444989031881f7a21c
-F test/auth.test 1cc252d9e7b3bdc1314199cbf3a0d3c5ed026c21
+F test/auth.test cf13e449cb253f75d6584b376202c94bbdd53ec9
 F test/autovacuum.test e52b8fab3b82f6b51b7fde5b7140827ce8e86b1c
 F test/autovacuum_crash.test 2dca85cbcc497098e45e8847c86407eb3554f3d4
 F test/bigfile.test d3744a8821ce9abb8697f2826a3e3d22b719e89f
@@ -256,7 +256,7 @@ F www/tclsqlite.tcl 560ecd6a916b320e59f2917317398f3d59b7cc25
 F www/vdbe.tcl 095f106d93875c94b47367384ebc870517431618
 F www/version3.tcl 092a01f5ef430d2c4acc0ae558d74c4bb89638a0
 F www/whentouse.tcl fdacb0ba2d39831e8a6240d05a490026ad4c4e4c
-P 8fde833c812b91c5a574208a70b5f92b9d4b0a87
-R 8245e15b31d6598597e65a4dce12b056
+P a1b2cc63e604785bd51e358ff72c485d858752e3
+R ef4bbd1e2466e0b000964937492388e1
 U danielk1977
-Z 014cc6af755028b6df88d60e431d5a3f
+Z f041132b38a543a682f3a1cb1fe1f777
diff --git a/manifest.uuid b/manifest.uuid
index 09fe0612a5..4fa45a39fc 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-a1b2cc63e604785bd51e358ff72c485d858752e3
\ No newline at end of file
+c4115aa3a1b010704af76c5ae9f6dcbfa4038df8
\ No newline at end of file
diff --git a/src/build.c b/src/build.c
index ab3877dab9..54568b7200 100644
--- a/src/build.c
+++ b/src/build.c
@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.277 2004/11/12 13:42:31 danielk1977 Exp $
+** $Id: build.c,v 1.278 2004/11/12 15:53:37 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -2931,10 +2931,11 @@ void sqlite3AlterRenameTable(
   Token *pName              /* The new table name. */
 ){
   int iDb;                  /* Database that contains the table */
+  char *zDb;                /* Name of database iDb */
   Table *pTab;              /* Table being renamed */
-  sqlite3 *db = pParse->db; /* Database connection */
   char *zName = 0;          /* NULL-terminated version of pName */ 
   char *zWhere = 0;         /* Where clause of schema elements to reparse */
+  sqlite3 *db = pParse->db; /* Database connection */
   Vdbe *v;
   
   assert( pSrc->nSrc==1 );
@@ -2942,6 +2943,7 @@ void sqlite3AlterRenameTable(
   pTab = sqlite3LocateTable(pParse, pSrc->a[0].zName, pSrc->a[0].zDatabase);
   if( !pTab ) return;
   iDb = pTab->iDb;
+  zDb = db->aDb[iDb].zName;
 
   /* Get a NULL terminated version of the new table name. */
   zName = sqlite3NameFromToken(pName);
@@ -2950,20 +2952,30 @@ void sqlite3AlterRenameTable(
   /* Check that a table or index named 'zName' does not already exist
   ** in database iDb. If so, this is an error.
   */
-  if( sqlite3FindTable(db, zName, db->aDb[iDb].zName) ||
-      sqlite3FindIndex(db, zName, db->aDb[iDb].zName) ){
+  if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){
     sqlite3ErrorMsg(pParse, 
         "there is already another table or index with this name: %s", zName);
     sqliteFree(zName);
     return;
   }
 
+#ifndef SQLITE_OMIT_AUTHORIZATION
+  /* Invoke the authorization callback. */
+  if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
+    sqliteFree(zName);
+    return;
+  }
+#endif
+
   /* Begin a transaction and code the VerifyCookie for database iDb. 
   ** Then modify the schema cookie (since the ALTER TABLE modifies the
   ** schema).
   */
   v = sqlite3GetVdbe(pParse);
-  if( v==0 ) return;
+  if( v==0 ){
+    sqliteFree(zName);
+    return;
+  }
   sqlite3BeginWriteOperation(pParse, 0, iDb);
   sqlite3ChangeCookie(db, v, iDb);
 
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index c39dcdf5a8..398995421d 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -12,7 +12,7 @@
 ** This header file defines the interface that the SQLite library
 ** presents to client programs.
 **
-** @(#) $Id: sqlite.h.in,v 1.121 2004/10/06 15:52:01 drh Exp $
+** @(#) $Id: sqlite.h.in,v 1.122 2004/11/12 15:53:37 danielk1977 Exp $
 */
 #ifndef _SQLITE3_H_
 #define _SQLITE3_H_
@@ -428,6 +428,7 @@ int sqlite3_set_authorizer(
 #define SQLITE_UPDATE               23   /* Table Name      Column Name     */
 #define SQLITE_ATTACH               24   /* Filename        NULL            */
 #define SQLITE_DETACH               25   /* Database Name   NULL            */
+#define SQLITE_ALTER_TABLE          26   /* Database Name   Table Name      */
 
 
 /*
diff --git a/src/tclsqlite.c b/src/tclsqlite.c
index a599994258..fa82058d01 100644
--- a/src/tclsqlite.c
+++ b/src/tclsqlite.c
@@ -11,7 +11,7 @@
 *************************************************************************
 ** A TCL Interface to SQLite
 **
-** $Id: tclsqlite.c,v 1.106 2004/09/13 13:16:32 drh Exp $
+** $Id: tclsqlite.c,v 1.107 2004/11/12 15:53:37 danielk1977 Exp $
 */
 #ifndef NO_TCL     /* Omit this whole file if TCL is unavailable */
 
@@ -287,6 +287,7 @@ static int auth_callback(
     case SQLITE_UPDATE            : zCode="SQLITE_UPDATE"; break;
     case SQLITE_ATTACH            : zCode="SQLITE_ATTACH"; break;
     case SQLITE_DETACH            : zCode="SQLITE_DETACH"; break;
+    case SQLITE_ALTER_TABLE       : zCode="SQLITE_ALTER_TABLE"; break;
     default                       : zCode="????"; break;
   }
   Tcl_DStringInit(&str);
diff --git a/src/test1.c b/src/test1.c
index 82888220a7..49c58a7a51 100644
--- a/src/test1.c
+++ b/src/test1.c
@@ -13,7 +13,7 @@
 ** is not included in the SQLite library.  It is used for automated
 ** testing of the SQLite library.
 **
-** $Id: test1.c,v 1.109 2004/11/10 15:27:38 danielk1977 Exp $
+** $Id: test1.c,v 1.110 2004/11/12 15:53:37 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include "tcl.h"
@@ -2563,7 +2563,11 @@ static void set_options(Tcl_Interp *interp){
 #else
   Tcl_SetVar2(interp, "sqlite_options", "reindex", "1", TCL_GLOBAL_ONLY);
 #endif
-
+#ifdef SQLITE_OMIT_ALTERTABLE
+  Tcl_SetVar2(interp, "sqlite_options", "altertable", "0", TCL_GLOBAL_ONLY);
+#else
+  Tcl_SetVar2(interp, "sqlite_options", "altertable", "1", TCL_GLOBAL_ONLY);
+#endif
 #ifdef SQLITE_OMIT_AUTOVACUUM
   Tcl_SetVar2(interp, "sqlite_options", "autovacuum", "0", TCL_GLOBAL_ONLY);
 #else
diff --git a/test/alter.test b/test/alter.test
index 52e7146605..a107bd038b 100644
--- a/test/alter.test
+++ b/test/alter.test
@@ -8,12 +8,17 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script is testing the ALTER TABLE statement.
 #
-# $Id: alter.test,v 1.1 2004/11/12 13:42:32 danielk1977 Exp $
+# $Id: alter.test,v 1.2 2004/11/12 15:53:37 danielk1977 Exp $
 #
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
+# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
+ifcapable !altertable {
+  finish_test
+  return
+}
 
 # Create some tables to rename.  Be sure to include some TEMP tables
 # and some tables with odd names.
@@ -144,6 +149,52 @@ do_test alter-1.7 {
      index {sqlite_autoindex_<t2>_2}    <t2>          \
   ]
 
+# Check that ALTER TABLE works on attached databases.
+#
+do_test alter-1.8.1 {
+  file delete -force test2.db
+  file delete -force test2.db-journal
+  execsql {
+    ATTACH 'test2.db' AS aux;
+  }
+} {}
+do_test alter-1.8.2 {
+  execsql {
+    CREATE TABLE t4(a PRIMARY KEY, b, c);
+    CREATE TABLE aux.t4(a PRIMARY KEY, b, c);
+    CREATE INDEX i4 ON t4(b);
+    CREATE INDEX aux.i4 ON aux.t4(b);
+  }
+} {}
+do_test alter-1.8.3 {
+  execsql {
+    INSERT INTO t4 VALUES('main', 'main', 'main');
+    INSERT INTO aux.t4 VALUES('aux', 'aux', 'aux');
+    SELECT * FROM t4 WHERE a = 'main';
+  }
+} {main main main}
+do_test alter-1.8.4 {
+  execsql {
+    ALTER TABLE t4 RENAME TO t5;
+    SELECT * FROM t4 WHERE a = 'aux';
+  }
+} {aux aux aux}
+do_test alter-1.8.5 {
+  execsql {
+    SELECT * FROM t5;
+  }
+} {main main main}
+do_test alter-1.8.6 {
+  execsql {
+    SELECT * FROM t5 WHERE b = 'main';
+  }
+} {main main main}
+do_test alter-1.8.7 {
+  execsql {
+    ALTER TABLE aux.t4 RENAME TO t5;
+    SELECT * FROM aux.t5 WHERE b = 'aux';
+  }
+} {aux aux aux}
 
 # Test error messages
 #
@@ -166,6 +217,5 @@ do_test alter-2.3 {
   }
 } {1 {there is already another table or index with this name: i3}}
 
-    
 
 finish_test
diff --git a/test/auth.test b/test/auth.test
index 573e8abe65..c89b85c28a 100644
--- a/test/auth.test
+++ b/test/auth.test
@@ -12,7 +12,7 @@
 # focus of this script is testing the ATTACH and DETACH commands
 # and related functionality.
 #
-# $Id: auth.test,v 1.19 2004/09/30 13:43:14 drh Exp $
+# $Id: auth.test,v 1.20 2004/11/12 15:53:37 danielk1977 Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -1665,6 +1665,123 @@ do_test auth-1.262 {
 } {test1}
 db authorizer {}
 execsql {DETACH DATABASE test1}
+db authorizer ::auth
+
+# Authorization for ALTER TABLE
+#
+do_test auth-1.263 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_OK
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t1 RENAME TO t1x
+  }
+} {0 {}}
+do_test auth-1.264 {
+  execsql {SELECT name FROM sqlite_temp_master WHERE type='table'}
+} {t1x}
+do_test auth-1.265 {
+  set authargs
+} {temp t1 {} {}}
+do_test auth-1.266 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_IGNORE
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t1x RENAME TO t1
+  }
+} {0 {}}
+do_test auth-1.267 {
+  execsql {SELECT name FROM sqlite_temp_master WHERE type='table'}
+} {t1x}
+do_test auth-1.268 {
+  set authargs
+} {temp t1x {} {}}
+do_test auth-1.269 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_DENY
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t1x RENAME TO t1
+  }
+} {1 {not authorized}}
+do_test auth-1.270 {
+  execsql {SELECT name FROM sqlite_temp_master WHERE type='table'}
+} {t1x}
+do_test auth-1.271 {
+  set authargs
+} {temp t1x {} {}}
+db authorizer {}
+catchsql {ALTER TABLE t1x RENAME TO t1}
+db authorizer ::auth
+do_test auth-1.272 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_OK
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t2 RENAME TO t2x
+  }
+} {0 {}}
+do_test auth-1.273 {
+  execsql {SELECT name FROM sqlite_master WHERE type='table'}
+} {t2x}
+do_test auth-1.274 {
+  set authargs
+} {main t2 {} {}}
+do_test auth-1.275 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_IGNORE
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t2x RENAME TO t2
+  }
+} {0 {}}
+do_test auth-1.276 {
+  execsql {SELECT name FROM sqlite_master WHERE type='table'}
+} {t2x}
+do_test auth-1.277 {
+  set authargs
+} {main t2x {} {}}
+do_test auth-1.278 {
+  proc auth {code arg1 arg2 arg3 arg4} {
+    if {$code=="SQLITE_ALTER_TABLE"} {
+      set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+      return SQLITE_DENY
+    }
+    return SQLITE_OK
+  }
+  catchsql {
+    ALTER TABLE t2x RENAME TO t2
+  }
+} {1 {not authorized}}
+do_test auth-1.279 {
+  execsql {SELECT name FROM sqlite_master WHERE type='table'}
+} {t2x}
+do_test auth-1.280 {
+  set authargs
+} {main t2x {} {}}
+db authorizer {}
+catchsql {ALTER TABLE t2x RENAME TO t2}
 
 
 do_test auth-2.1 {