diff --git a/ext/rtree/rtree.c b/ext/rtree/rtree.c
index c8e4ea2307..b6abeeb9f0 100644
--- a/ext/rtree/rtree.c
+++ b/ext/rtree/rtree.c
@@ -1998,8 +1998,12 @@ static int SplitNode(
     goto splitnode_out;
   }
 
-  /* Ensure both child nodes have node numbers assigned to them. */
-  if( (0==pRight->iNode && SQLITE_OK!=(rc = nodeWrite(pRtree, pRight)))
+  /* Ensure both child nodes have node numbers assigned to them by calling
+  ** nodeWrite(). Node pRight always needs a node number, as it was created
+  ** by nodeNew() above. But node pLeft sometimes already has a node number.
+  ** In this case avoid the all to nodeWrite().
+  */
+  if( SQLITE_OK!=(rc = nodeWrite(pRtree, pRight))
    || (0==pLeft->iNode && SQLITE_OK!=(rc = nodeWrite(pRtree, pLeft)))
   ){
     goto splitnode_out;
@@ -2064,14 +2068,19 @@ splitnode_out:
 static int fixLeafParent(Rtree *pRtree, RtreeNode *pLeaf){
   int rc = SQLITE_OK;
   if( pLeaf->iNode!=1 && pLeaf->pParent==0 ){
+    int rc2;                      /* sqlite3_reset() return code */
     sqlite3_bind_int64(pRtree->pReadParent, 1, pLeaf->iNode);
-    if( sqlite3_step(pRtree->pReadParent)==SQLITE_ROW ){
+    rc = sqlite3_step(pRtree->pReadParent);
+    if( rc==SQLITE_ROW ){
       i64 iNode = sqlite3_column_int64(pRtree->pReadParent, 0);
       rc = nodeAcquire(pRtree, iNode, 0, &pLeaf->pParent);
-    }else{
-      rc = SQLITE_ERROR;
+    }else if( rc==SQLITE_DONE ){
+      rc = SQLITE_CORRUPT;
+    }
+    rc2 = sqlite3_reset(pRtree->pReadParent);
+    if( rc==SQLITE_OK ){
+      rc = rc2;
     }
-    sqlite3_reset(pRtree->pReadParent);
     if( rc==SQLITE_OK ){
       rc = fixLeafParent(pRtree, pLeaf->pParent);
     }
@@ -2881,12 +2890,10 @@ static void rtreedepth(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){
 ** function "rtreenode".
 */
 int sqlite3RtreeInit(sqlite3 *db){
-  int rc = SQLITE_OK;
+  const int utf8 = SQLITE_UTF8;
+  int rc;
 
-  if( rc==SQLITE_OK ){
-    int utf8 = SQLITE_UTF8;
-    rc = sqlite3_create_function(db, "rtreenode", 2, utf8, 0, rtreenode, 0, 0);
-  }
+  rc = sqlite3_create_function(db, "rtreenode", 2, utf8, 0, rtreenode, 0, 0);
   if( rc==SQLITE_OK ){
     int utf8 = SQLITE_UTF8;
     rc = sqlite3_create_function(db, "rtreedepth", 1, utf8, 0,rtreedepth, 0, 0);
diff --git a/ext/rtree/rtree3.test b/ext/rtree/rtree3.test
index 5076908f91..ac61829a65 100644
--- a/ext/rtree/rtree3.test
+++ b/ext/rtree/rtree3.test
@@ -33,8 +33,6 @@ if {!$MEMDEBUG} {
    return
 }
 
-if 1 {
-
 do_faultsim_test rtree3-1 -faults oom* -prep {
   faultsim_delete_and_reopen
 } -body {
@@ -96,8 +94,6 @@ do_faultsim_test rtree3-3b -faults oom* -prep {
   db eval COMMIT
 } 
 
-}
-
 do_test rtree3-4.prep {
   faultsim_delete_and_reopen
   execsql {
@@ -112,12 +108,19 @@ do_test rtree3-4.prep {
   faultsim_save_and_close
 } {}
 
-do_faultsim_test rtree3-4 -faults oom-transient -prep {
+do_faultsim_test rtree3-4a -faults oom-transient -prep {
   faultsim_restore_and_reopen
 } -body {
   db eval { SELECT count(*) FROM rt }
 } -test {
   faultsim_test_result {0 1500}
 }
+do_faultsim_test rtree3-4b -faults oom-transient -prep {
+  faultsim_restore_and_reopen
+} -body {
+  db eval { DELETE FROM rt WHERE ii BETWEEN 880 AND 920 }
+} -test {
+  faultsim_test_result {0 {}}
+}
 
 finish_test
diff --git a/ext/rtree/rtree8.test b/ext/rtree/rtree8.test
index e48dc12df8..7e24dd456d 100644
--- a/ext/rtree/rtree8.test
+++ b/ext/rtree/rtree8.test
@@ -104,13 +104,24 @@ do_catchsql_test rtree8-2.1.5 {
 } {1 {database disk image is malformed}}
 
 do_execsql_test rtree8-2.1.6 { 
-  DELETE FROM t1_node;
-  DELETE FROM t1_parent;
-  DELETE FROM t1_rowid;
   DROP TABLE t1;
   CREATE VIRTUAL TABLE t1 USING rtree_i32(id, x1, x2);
 } {}
 
+
+populate_t1 50
+do_execsql_test rtree8-2.2.1 {
+  DELETE FROM t1_parent
+} {}
+do_catchsql_test rtree8-2.2.2 {
+  DELETE FROM t1 WHERE id=25
+} {1 {database disk image is malformed}}
+do_execsql_test rtree8-2.2.3 { 
+  DROP TABLE t1;
+  CREATE VIRTUAL TABLE t1 USING rtree_i32(id, x1, x2);
+} {}
+
+
 #-------------------------------------------------------------------------
 # Test that trying to use the MATCH operator with the r-tree module does
 # not confuse it.
@@ -119,7 +130,7 @@ breakpoint
 populate_t1 10
 do_catchsql_test rtree8-3.1 { 
   SELECT * FROM t1 WHERE x1 MATCH '1234'
-} {1 {}}
+} {1 {unable to use function MATCH in the requested context}}
 
 
 finish_test
diff --git a/manifest b/manifest
index ed16861ae1..fb00e1bc8c 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Test\scases\sto\simprove\scoverage\sof\srtree\smodule.\sFixes\sassociated\swith\sthe\ssame.
-D 2010-08-25T17:53:17
+C Further\stest\scoverage\simprovements\sfor\srtree.c.
+D 2010-08-25T19:04:38
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 543f91f24cd7fee774ecc0a61c19704c0c3e78fd
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -78,16 +78,16 @@ F ext/icu/README.txt bf8461d8cdc6b8f514c080e4e10dc3b2bbdfefa9
 F ext/icu/icu.c 850e9a36567bbcce6bd85a4b68243cad8e3c2de2
 F ext/icu/sqliteicu.h 728867a802baa5a96de7495e9689a8e01715ef37
 F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761
-F ext/rtree/rtree.c 73a4df9b61bfdb39e29d9d8a9927d811bb0f3389
+F ext/rtree/rtree.c 586c8d6a72ff67060e3850d3a9ef86a85caf38dc
 F ext/rtree/rtree.h 834dbcb82dc85b2481cde6a07cdadfddc99e9b9e
 F ext/rtree/rtree1.test 51bb0cd0405970501e63258401ae5ad235a4f468
 F ext/rtree/rtree2.test 47b90f549a59e667e9fb01338956ead6f66c8d9d
-F ext/rtree/rtree3.test 5ffcb3f44fe925e7a2e6e1960f3d2bf628683db3
+F ext/rtree/rtree3.test d2a408858ef14a2bf50ec2e7031c35782243b94d
 F ext/rtree/rtree4.test 2adce44dc544f6eb570898c8d5270bdf6ca64bd8
 F ext/rtree/rtree5.test 92508f5152a50110af6551fa5b769d1bbd7c4ef3
 F ext/rtree/rtree6.test 903720aaab819764c3693aaac0affe8174104ac8
 F ext/rtree/rtree7.test 6fd29fb8e13795c822f4ceeea92ab5d61c96976d
-F ext/rtree/rtree8.test d226534180f063924ee9d5500d43aebaeba28c7e
+F ext/rtree/rtree8.test 7ba5d3b6ce7bb75fcce41a0a2da8796b99b69b5b
 F ext/rtree/rtree_perf.tcl 6c18c1f23cd48e0f948930c98dfdd37dfccb5195
 F ext/rtree/rtree_util.tcl 06aab2ed5b826545bf215fff90ecb9255a8647ea
 F ext/rtree/tkt3363.test 2bf324f7908084a5f463de3109db9c6e607feb1b
@@ -847,7 +847,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P 40526d8390896ccb883c45afa70e7adb568d174f
-R 34bbfc350aec51a2c8611327e89641b5
+P 865cec04e4d814f63fb71feb67de7f06f8d54035
+R c8194745b3bd7fb8c0dc3d8838dec5f9
 U dan
-Z ca03a4a4ecb8f93f6b9fcda928df5c52
+Z 5bf1b8b670d95aa442bbc4a1f760237b
diff --git a/manifest.uuid b/manifest.uuid
index 6c1567bfc0..d88f1840b3 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-865cec04e4d814f63fb71feb67de7f06f8d54035
\ No newline at end of file
+05f6c1aebbe757dd3b54fd027057b9db7ae3a990
\ No newline at end of file