diff --git a/manifest b/manifest
index 0d7340ae32..83ec401de4 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sa\sleaked\spage\sreference\sthat\scould\soccur\safter\san\sIO\serror\sin\sauto-vacuum\sdatabases.\sAlso\smodify\sincrvacuum.test\sto\swork\swith\sDEFAULT_AUTOVACUUM=1\sbuilds.\s(CVS\s4031)
-D 2007-05-23T13:34:32
+C Make\ssure\sthe\sdatabase\sschema\shas\sbeen\sread\sbefore\scompiling\san\sincrmental_vacuum\spragma.\s(CVS\s4032)
+D 2007-05-23T13:50:24
 F Makefile.in a42354804b50c2708ce72cf79e4daa30f50191b5
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -96,7 +96,7 @@ F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
 F src/pager.c acfa86f50b71b7e289508b213bb88e68273d42a0
 F src/pager.h 94110a5570dca30d54a883e880a3633b2e4c05ae
 F src/parse.y e276a0c35d6579938708f0842d0eba4e9b6866e6
-F src/pragma.c 6d5eb19feef9e84117b9b17a4c38b12b8c1c6897
+F src/pragma.c 0d25dad58bdfd6789943a10f1b9663c2eb85b96d
 F src/prepare.c 87c23644986b5e41a58bc76f05abebd899e00089
 F src/printf.c cd91e057fa7e2661673eecd4eeecf4900b1e5cfe
 F src/random.c 6119474a6f6917f708c1dee25b9a8e519a620e88
@@ -258,7 +258,7 @@ F test/in.test 369cb2aa1eab02296b4ec470732fe8c131260b1d
 F test/in2.test b1f447f4f0f67e9f83ff931e7e2e30873f9ea055
 F test/incrblob.test 7f82ae497364612aa17a37f77f12e01e2bee9f20
 F test/incrblob_err.test 2501bec57e317e7051451b5093b47fc61a96c85a
-F test/incrvacuum.test 0c88ba35bd6ba1ce2dc9ac953911481d2e626acc
+F test/incrvacuum.test 81de75c6178721a1fce9804a3a0509f5e7d8fa89
 F test/incrvacuum2.test 82397ceb5941cbe852fd29bb33fcdf5665bc80c2
 F test/incrvacuum_ioerr.test cb331403b8dea3c5bae6163861ff25037b0df56a
 F test/index.test e65df12bed94b2903ee89987115e1578687e9266
@@ -494,7 +494,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 10ee2d50cbcdcbbd8141ff2aba4fd2c0c0b70d67
-R e6f6e35a3430fe940ba19e54e2cd3045
+P e691f2fa3d8c1bbb66d27eea299ae2fb1ea1a16d
+R e2e7e92bcfd3231b45d0af23c2f65207
 U danielk1977
-Z 7dafc679264f64c59efbb8f3edda007b
+Z faab23a07e2c6de43bc46e141332808c
diff --git a/manifest.uuid b/manifest.uuid
index d29ac8448c..ea7d4f8975 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e691f2fa3d8c1bbb66d27eea299ae2fb1ea1a16d
\ No newline at end of file
+efd7bcb34c1b4a0a3d4b954b90dfee93ac87bc86
\ No newline at end of file
diff --git a/src/pragma.c b/src/pragma.c
index ec594788d6..9ebe1e8cf5 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -11,7 +11,7 @@
 *************************************************************************
 ** This file contains code used to implement the PRAGMA command.
 **
-** $Id: pragma.c,v 1.138 2007/05/11 12:30:04 drh Exp $
+** $Id: pragma.c,v 1.139 2007/05/23 13:50:24 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -445,6 +445,9 @@ void sqlite3Pragma(
 #ifndef SQLITE_OMIT_AUTOVACUUM
   if( sqlite3StrICmp(zLeft,"incremental_vacuum")==0 ){
     int iLimit, addr;
+    if( sqlite3ReadSchema(pParse) ){
+      goto pragma_out;
+    }
     if( zRight==0 || !sqlite3GetInt32(zRight, &iLimit) || iLimit<=0 ){
       iLimit = 0x7fffffff;
     }
diff --git a/test/incrvacuum.test b/test/incrvacuum.test
index 269d6a4cd4..bbf9d9f1f0 100644
--- a/test/incrvacuum.test
+++ b/test/incrvacuum.test
@@ -14,7 +14,7 @@
 # Note: There are also some tests for incremental vacuum and IO 
 # errors in incrvacuum_ioerr.test.
 #
-# $Id: incrvacuum.test,v 1.7 2007/05/23 13:34:32 danielk1977 Exp $
+# $Id: incrvacuum.test,v 1.8 2007/05/23 13:50:24 danielk1977 Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -436,4 +436,20 @@ while 1 {
   incr ::iWrite
 }
 
+#---------------------------------------------------------------------
+# This test - incrvacuum-8.* - is to check that nothing goes wrong
+# with an incremental-vacuum if it is the first statement executed
+# after an existing database is opened.
+#
+# At one point, this would always return SQLITE_SCHEMA (which 
+# causes an infinite loop in tclsqlite.c if using the Tcl interface).
+#
+do_test incrvacuum-8.1 {
+  db close
+  sqlite3 db test.db
+  execsql {
+    PRAGMA incremental_vacuum(50);
+  }
+} {}
+
 finish_test