diff --git a/manifest b/manifest
index db2f7d28ab..e61f988724 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sthe\sSQLITE_EXTRA_INIT\smacro.
-D 2011-08-25T00:14:41.083
+C Add\sthe\ssqlite3_quota_file()\sinterface\sto\stest_quota.c.
+D 2011-08-25T01:42:12.133
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 8c930e7b493d59099ea1304bd0f2aed152eb3315
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -219,7 +219,7 @@ F src/test_mutex.c a6bd7b9cf6e19d989e31392b06ac8d189f0d573e
 F src/test_onefile.c 40cf9e212a377a6511469384a64b01e6e34b2eec
 F src/test_osinst.c 62b0b8ef21ce754cc94e17bb42377ed8795dba32
 F src/test_pcache.c 7bf828972ac0d2403f5cfa4cd14da41f8ebe73d8
-F src/test_quota.c e3a72c73bae28470ebece837b73d960f5a252878
+F src/test_quota.c 8cba4d8eb7db7118df3d735278e37b5b78b0e7b6
 F src/test_rtree.c 30c981837445a4e187ee850a49c4760d9642f7c3
 F src/test_schema.c 8c06ef9ddb240c7a0fcd31bc221a6a2aade58bf0
 F src/test_server.c 2f99eb2837dfa06a4aacf24af24c6affdf66a84f
@@ -626,7 +626,7 @@ F test/printf.test 05970cde31b1a9f54bd75af60597be75a5c54fea
 F test/progress.test 5b075c3c790c7b2a61419bc199db87aaf48b8301
 F test/ptrchng.test ef1aa72d6cf35a2bbd0869a649b744e9d84977fc
 F test/quick.test 1681febc928d686362d50057c642f77a02c62e57
-F test/quota.test dd8f0e0eb77bc206c1ad1b1494f4fe2fe6985183
+F test/quota.test 482ba633252e88b7e3f492d0b5feddb4ec573e98
 F test/quote.test 215897dbe8de1a6f701265836d6601cc6ed103e6
 F test/randexpr1.tcl 40dec52119ed3a2b8b2a773bce24b63a3a746459
 F test/randexpr1.test 1084050991e9ba22c1c10edd8d84673b501cc25a
@@ -961,7 +961,7 @@ F tool/symbols.sh caaf6ccc7300fd43353318b44524853e222557d5
 F tool/tostr.awk 11760e1b94a5d3dcd42378f3cc18544c06cfa576
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings.sh b7fdb2cc525f5ef4fa43c80e771636dd3690f9d2
-P 988998fe7b0a21ed113b67f812e51f357045bef4
-R 8b28b7c3eecedf6de29c77136a1a0b20
+P a3220f36c164dd2edf085c07ea08d617d8438812
+R 283add70a055d6da3480c6a93e10a2e4
 U drh
-Z 5b1b2064520e67fe87ded16d48f38359
+Z 490fe9cf524e1e32a7a5a2b19a5723e6
diff --git a/manifest.uuid b/manifest.uuid
index 349ecfea99..8912a48708 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-a3220f36c164dd2edf085c07ea08d617d8438812
\ No newline at end of file
+2b7fe8e5b74c3504edd0e3ff78096e357ee1b47c
\ No newline at end of file
diff --git a/src/test_quota.c b/src/test_quota.c
index faf4095559..855f300c30 100644
--- a/src/test_quota.c
+++ b/src/test_quota.c
@@ -795,6 +795,43 @@ int sqlite3_quota_set(
   return SQLITE_OK;
 }
 
+/*
+** Bring the named file under quota management.  Or if it is already under
+** management, update its size.
+*/
+int sqlite3_quota_file(const char *zFilename){
+  char *zFull;
+  sqlite3_file *fd;
+  int rc;
+  int outFlags = 0;
+  sqlite3_int64 iSize;
+  fd = sqlite3_malloc(gQuota.sThisVfs.szOsFile + gQuota.sThisVfs.mxPathname+1);
+  if( fd==0 ) return SQLITE_NOMEM;
+  zFull = gQuota.sThisVfs.szOsFile + (char*)fd;
+  rc = gQuota.pOrigVfs->xFullPathname(gQuota.pOrigVfs, zFilename,
+                                      gQuota.sThisVfs.mxPathname+1, zFull);
+  if( rc==SQLITE_OK ){
+    rc = quotaOpen(&gQuota.sThisVfs, zFull, fd, 
+                   SQLITE_OPEN_READONLY | SQLITE_OPEN_MAIN_DB, &outFlags);
+  }
+  if( rc==SQLITE_OK ){
+    quotaFileSize(fd, &iSize);
+    quotaClose(fd);
+  }else if( rc==SQLITE_CANTOPEN ){
+    quotaGroup *pGroup;
+    quotaFile *pFile;
+    quotaEnter();
+    pGroup = quotaGroupFind(zFull);
+    if( pGroup ){
+      pFile = quotaFindFile(pGroup, zFull);
+      if( pFile ) quotaRemoveFile(pFile);
+    }
+    quotaLeave();
+  }
+  sqlite3_free(fd);
+  return rc;
+}
+
   
 /***************************** Test Code ***********************************/
 #ifdef SQLITE_TEST
@@ -971,6 +1008,32 @@ static int test_quota_set(
   return TCL_OK;
 }
 
+/*
+** tclcmd: sqlite3_quota_file FILENAME
+*/
+static int test_quota_file(
+  void * clientData,
+  Tcl_Interp *interp,
+  int objc,
+  Tcl_Obj *CONST objv[]
+){
+  const char *zFilename;          /* File pattern to configure */
+  int rc;                         /* Value returned by quota_file() */
+
+  /* Process arguments */
+  if( objc!=2 ){
+    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
+    return TCL_ERROR;
+  }
+  zFilename = Tcl_GetString(objv[1]);
+
+  /* Invoke sqlite3_quota_file() */
+  rc = sqlite3_quota_file(zFilename);
+
+  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
+  return TCL_OK;
+}
+
 /*
 ** tclcmd:  sqlite3_quota_dump
 */
@@ -1028,6 +1091,7 @@ int Sqlitequota_Init(Tcl_Interp *interp){
     { "sqlite3_quota_initialize", test_quota_initialize },
     { "sqlite3_quota_shutdown", test_quota_shutdown },
     { "sqlite3_quota_set", test_quota_set },
+    { "sqlite3_quota_file", test_quota_file },
     { "sqlite3_quota_dump", test_quota_dump },
   };
   int i;
diff --git a/test/quota.test b/test/quota.test
index 469bc49016..23ccf89baf 100644
--- a/test/quota.test
+++ b/test/quota.test
@@ -235,6 +235,13 @@ proc quota_list {} {
   }
   return [lsort $allq]
 }
+proc quota_size {name} {
+  set allq {}
+  foreach q [sqlite3_quota_dump] {
+    if {[lindex $q 0]==$name} {return [lindex $q 2]}
+  }
+  return 0
+}
 
 do_test quota-4.1.1 {
   sqlite3_quota_set *test.db 0 {}
@@ -355,7 +362,73 @@ do_test quota-4.4.3 {
 do_test quota-4.4.4 {
   expr {$::quota!=""}
 } {1}
+do_test quota-4.4.5 {
+  db close
+  sqlite3_quota_set */quota-test-A?.db 0 {}
+  sqlite3_quota_dump
+} {}
+do_test quota-4.4.6 {
+  sqlite3_quota_set */quota-test-A?.db 10000 quota_callback
+  sqlite3 db quota-test-A1.db
+  db eval {SELECT count(*) FROM sqlite_master}
+  quota_size */quota-test-A?.db
+} [file size quota-test-A1.db]
+do_test quota-4.4.7 {
+  sqlite3_quota_file quota-test-A2.db
+  quota_size */quota-test-A?.db
+} [expr {[file size quota-test-A1.db]+[file size quota-test-A2.db]}]
 
+do_test quota-4.5.1 {
+  foreach file [glob -nocomplain quota-test-B*] {
+    forcedelete $file
+  }
+  sqlite3_quota_set */quota-test-B* 100000 quota_callback
+  quota_size */quota-test-B*
+} {0}
+do_test quota-4.5.2 {
+  sqlite3_quota_file quota-test-B1.txt
+  quota_size */quota-test-B*
+} {0}
+proc add_to_file {name n} {
+  set out [open $name a]
+  fconfigure $out -translation binary
+  puts -nonewline $out [string repeat x $n]
+  close $out
+}
+do_test quota-4.5.3 {
+  add_to_file quota-test-B1.txt 123
+  sqlite3_quota_file quota-test-B1.txt
+  quota_size */quota-test-B*
+} {123}
+do_test quota-4.5.4 {
+  add_to_file quota-test-B2.txt 234
+  sqlite3_quota_file quota-test-B2.txt
+  quota_size */quota-test-B*
+} {357}
+do_test quota-4.5.5 {
+  add_to_file quota-test-B1.txt 2000
+  sqlite3_quota_file quota-test-B1.txt
+  quota_size */quota-test-B*
+} {2357}
+do_test quota-4.5.6 {
+  forcedelete quota-test-B1.txt
+  sqlite3_quota_file quota-test-B1.txt
+  quota_size */quota-test-B*
+} {234}
+do_test quota-4.5.7 {
+  forcedelete quota-test-B2.txt
+  sqlite3_quota_file quota-test-B2.txt
+  quota_size */quota-test-B*
+} {0}
+do_test quota-4.5.8 {
+  add_to_file quota-test-B3.txt 1234
+  sqlite3_quota_file quota-test-B3.txt
+  quota_size */quota-test-B*
+} {1234}
+do_test quota-4.5.9 {
+  sqlite3_quota_set */quota-test-B* 0 {}
+  quota_size */quota-test-B*
+} {0}
 
 do_test quota-4.9.1 {
   db close