diff --git a/main.mk b/main.mk
index 521ff37c05..b4825a372f 100644
--- a/main.mk
+++ b/main.mk
@@ -229,7 +229,8 @@ TESTSRC2 = \
   $(TOP)/src/expr.c $(TOP)/src/func.c $(TOP)/src/insert.c $(TOP)/src/os.c      \
   $(TOP)/src/os_os2.c $(TOP)/src/os_unix.c $(TOP)/src/os_win.c                 \
   $(TOP)/src/pager.c $(TOP)/src/pragma.c $(TOP)/src/prepare.c                  \
-  $(TOP)/src/printf.c $(TOP)/src/select.c $(TOP)/src/tokenize.c                \
+  $(TOP)/src/printf.c $(TOP)/src/random.c                                      \
+  $(TOP)/src/select.c $(TOP)/src/tokenize.c                                    \
   $(TOP)/src/utf.c $(TOP)/src/util.c $(TOP)/src/vdbeapi.c $(TOP)/src/vdbeaux.c \
   $(TOP)/src/vdbe.c $(TOP)/src/vdbemem.c $(TOP)/src/where.c parse.c
 
diff --git a/manifest b/manifest
index 3bafca0ba5..fa3f5cafc8 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Work\saround\susing\s(regexp)\sin\sthe\s(ifcapable)\sfunction\sof\sthe\stest\ssuite.\sSo\sthat\ssimpler\sversions\sof\stcl\scan\scall\sit.\s(CVS\s4713)
-D 2008-01-16T08:24:46
+C Get\sall\stests\srunning\swithout\smemory\sleaks.\s(CVS\s4714)
+D 2008-01-16T17:46:38
 F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
 F Makefile.in 30789bf70614bad659351660d76b8e533f3340e9
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -64,7 +64,7 @@ F ext/icu/README.txt 3b130aa66e7a681136f6add198b076a2f90d1e33
 F ext/icu/icu.c 12e763d288d23b5a49de37caa30737b971a2f1e2
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
 F ltmain.sh 56abb507100ed2d4261f6dd1653dec3cf4066387
-F main.mk fdf2d0c24ac01a17d3a608e7c86e9d6a399f5a43
+F main.mk 5ffa15b4f43f4e9720f216b6d8fc7cb96e6e4411
 F mkdll.sh 5f8438dcac98e795d7df6529159a1ec566de0183
 F mkextu.sh 416f9b7089d80e5590a29692c9d9280a10dbad9f
 F mkextw.sh 1a866b53637dab137191341cc875575a5ca110fb
@@ -120,7 +120,7 @@ F src/os_os2.c 4aca68faa5fe20e41e1b123a46087ebd9e0bb170
 F src/os_os2.h c3f7d0af7e3453d1d7aa81b06c0a56f5a226530b
 F src/os_test.c 49833426101f99aee4bb5f6a44b7c4b2029fda1c
 F src/os_test.h 903c93554c23d88f34f667f1979e4a1cee792af3
-F src/os_unix.c 4e67737fec1d1c950e9c3723b424829f7bc22fc9
+F src/os_unix.c e4daef7628f690fa2b188af3632fb18f96525946
 F src/os_unix.h 5768d56d28240d3fe4537fac08cc85e4fb52279e
 F src/os_win.c c832d528ea774c7094d887749d71884984c9034c
 F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
@@ -130,7 +130,7 @@ F src/parse.y 2ae06e8d3190faace49c5b82e7cea1fc60d084a1
 F src/pragma.c b4e77e057990bb2c295c63327406d9bcbf6c9c08
 F src/prepare.c c31a879d6795f4765fd0b113675c6debbc96b7fd
 F src/printf.c eb27822ba2eec669161409ca31279a24c26ac910
-F src/random.c 4a22746501bf36b0a088c66e38dde5daba6a35da
+F src/random.c 02ef38b469237482f1ea14a78b2087cfbaec48bd
 F src/select.c 578f7b01047b20349ead5a36d7e64274a61bea80
 F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
 F src/shell.c 0691a3d52dc37cf6ac2f74838e5ff8ae1055ac9b
@@ -140,7 +140,7 @@ F src/sqliteInt.h c3f43826e48b0d2928b9e6fa3aca887317285392
 F src/sqliteLimit.h ee4430f88f69bf63527967bb35ca52af7b0ccb1e
 F src/table.c 1aeb9eab57b4235db86fe15a35dec76fb445a9c4
 F src/tclsqlite.c 9923abeffc9b3d7dad58e92b319661521f60debf
-F src/test1.c 537fea45996bd33d4885c3c1f53761da14011e9b
+F src/test1.c 64912c1e65bdc3eccf3b80c5cc092b163831b367
 F src/test2.c 77b34303883b9d722c65a6879bb0163a400e3789
 F src/test3.c df62cd5c971dc1ae0be0a1842f9df3390934e7a6
 F src/test4.c c2c0f5dc907f1346f5d4b65eb5799f11eb9e4071
@@ -168,7 +168,7 @@ F src/update.c aad823f97a930e6982264299863837d4c6107d3b
 F src/utf.c ef4b7d83bae533b76c3e1bf635b113fdad86a736
 F src/util.c 05f31144bbd3f1a24f4139ae029c42545cb72624
 F src/vacuum.c 3f34f278809bf3eb0b62ec46ff779e9c385b28f0
-F src/vdbe.c f36700465fe35af303d33d59fef03779d93b2570
+F src/vdbe.c 1c58599437d048a2d14c5ce04e4576d2e3e78dfc
 F src/vdbe.h a9166e1601f5b74c20516a74182773a20baee43e
 F src/vdbeInt.h 31bd686595356284d5484592e2dc6e58025aa346
 F src/vdbeapi.c cb8c427a3ab646490c83204a98e94eff03ee2e89
@@ -218,7 +218,7 @@ F test/btree8.test fadc112bcbd6a0c622d34c813fc8a648eacf8804
 F test/btree9.test 5d8711b241145b90f65dd1795d5dd8290846fa5e
 F test/busy.test 0271c854738e23ad76e10d4096a698e5af29d211
 F test/cache.test 3ff445c445742a7b6b9ba6e1d62a25263f9424b9
-F test/capi2.test 3c5066836cbaa9923bcc8282c010aa227bb5efd4
+F test/capi2.test cc64df7560a96f848f919ea2926c60acf639684b
 F test/capi3.test 432fabf9c6402ed8ff1ae291e01f0e04b64df3ea
 F test/capi3b.test 664eb55318132f292f2c436f90906f578cad6b97
 F test/capi3c.test 0b089837ee65a17dd73ea171c4dee5d7ea79dabb
@@ -242,7 +242,7 @@ F test/corrupt4.test acdb01afaedf529004b70e55de1a6f5a05ae7fff
 F test/crash.test 1b6ac8410689ff78028887f445062dc897c9ac89
 F test/crash2.test 26d7a4c5520201e5de2c696ea51ab946b59dc0e9
 F test/crash3.test 0b09687ae1a3ccbcefdfaeb4b963e26e36255d76
-F test/crash4.test d9fefcede579aba418777d81a49f122d0a52369e
+F test/crash4.test 02ff4f15c149ca1e88a5c299b4896c84d9450c3b
 F test/crashtest1.c 09c1c7d728ccf4feb9e481671e29dda5669bbcc2
 F test/createtab.test 199cf68f44e5d9e87a0b8afc7130fdeb4def3272
 F test/date.test b2bd57ff2ab6185b9322306f7b68fa647d63c857
@@ -337,10 +337,10 @@ F test/insert2.test 5a20e1ace5fa0800b58d28284212290189b49aed
 F test/insert3.test 9a4ef3526fd3cca8b05278020ec3100448b4c677
 F test/insert4.test 6919ddacd79c2cfeb9785b0f84217f9cb14853b5
 F test/insert5.test 509017213328147d3acdfa2c441bfd82362dda41
-F test/interrupt.test 81555fb0f8179bb2d0dc7151fd75428223f93cf2
+F test/interrupt.test 42e7cf98646fd9cb4a3b131a93ed3c50b9e149f1
 F test/intpkey.test 537669fd535f62632ca64828e435b9e54e8d677f
 F test/io.test 80a7a7f1a2792e037d447b03e8c22ee1f6eaf339
-F test/ioerr.test ae429185a3a11a318aa7ec64e2188e6119e43bca
+F test/ioerr.test 5382046b2ef19b9084652e7d2d1e82ab33c0deda
 F test/ioerr2.test e3d52c40f43f9b61da9b38951a737e7b84ebae96
 F test/ioerr3.test 6f62c1b40365e87d58589def770f35b5d63539e1
 F test/join.test af0443185378b64878750aa1cf4b83c216f246b4
@@ -360,9 +360,9 @@ F test/lock2.test 018b846f6f3b3b695fad07e317b7988442b556f4
 F test/lock3.test 615111293cf32aa2ed16d01c6611737651c96fb9
 F test/lock4.test f358fa835dff485d462072eee991111f09e87441
 F test/main.test 05f585bb70c05caac3e047903b517cbb319ed204
-F test/malloc.test debc0cb41b7031b316353b949960a70e444fd301
-F test/malloc2.test 850471731efad72af5a7748e366a371933ff0b64
-F test/malloc3.test e484ae14cac9f25e50eb7a6ef59b0d9ef1faecab
+F test/malloc.test 760f346ba190fae9d5b6e495b844c9ce4db989cb
+F test/malloc2.test bacb55551f6f4dc58c538589a8d3e29b127ef8d0
+F test/malloc3.test 5d3839afd98bff92b82d13405f41c96e77ac2a6b
 F test/malloc4.test f0e5e0f639f61e2776a6c3f5308f836b3ad8b3c7
 F test/malloc5.test 18f3f71756e775a17ce4d0c49d76fb0027dda066
 F test/malloc6.test d05fd71ef3c5983d10e0a6d728ea4a502a45a9e4
@@ -372,11 +372,11 @@ F test/malloc9.test 95d7069ad4fa262bf33bc4c5ca0a46f2bb2391cb
 F test/mallocA.test 5ee8d42ff90e5b1aeee6fb645e73ffcb35bffd21
 F test/mallocAll.test 2a2222a5e447be6c6579055a9a26e507e4586f4e
 F test/mallocB.test 83bdbea443cc81758a57b0287807b0941218819a
-F test/mallocC.test 6f02fa2b4baa943bc6d6db323d5d07067967e728
+F test/mallocC.test 9daac0aa8e5b0afa7b0a3fb0cd792f02fe0cc838
 F test/mallocD.test d638fb8f214b47fd31edfae8af738b92bd943dc0
 F test/mallocE.test e15333c394d7c330c8372a7cdf7b0f7c16573082
 F test/mallocF.test e1804792a6365ad43589b26608850a38e491170a
-F test/malloc_common.tcl b47137fb36e95fdafb0267745afefcd6b0a5b9dc
+F test/malloc_common.tcl 773db5a49300d650f6578eb44d42ad7dd11f8563
 F test/manydb.test 8de36b8d33aab5ef295b11d9e95310aeded31af8
 F test/memdb.test a67bda4ff90a38f2b19f6c7f95aa7289e051d893
 F test/memleak.test d2d2a1ff7105d32dc3fdf691458cf6cba58c7217
@@ -445,7 +445,7 @@ F test/table.test 13b1c2e2fb4727b35ee1fb7641fc469214fd2455
 F test/tableapi.test 92651a95c23cf955e92407928e640536402fa3cc
 F test/tclsqlite.test 3fac87cb1059c46b8fa8a60b553f4f1adb0fb6d9
 F test/temptable.test 19b851b9e3e64d91e9867619b2a3f5fffee6e125
-F test/tester.tcl 9ec2de42f310d5c85945a793d118b595b62526dc
+F test/tester.tcl f851528e033e40b2c708eebf09c6ab4cb27c47d4
 F test/thread001.test 8fbd9559da0bbdc273e00318c7fd66c162020af7
 F test/thread002.test 2c4ad2c386f60f6fe268cd91c769ee35b3c1fd0b
 F test/thread1.test 776c9e459b75ba905193b351926ac4019b049f35
@@ -504,8 +504,8 @@ F test/unique.test 0253c4227a5dc533e312202ce21ecfad18058d18
 F test/update.test 7669ca789d62c258b678e8aa7a22a57eac10f2cf
 F test/utf16.test 20e2d9ba0d57e952a18b1ac8deab9ad49e082893
 F test/utf16align.test 7360e84472095518c56746f76b1f9d4dce99fb4d
-F test/vacuum.test cf839fc3ff24d601057319bbb5c700ce9c8e0fb0
-F test/vacuum2.test bbd8412d74e8da5657ac4b43d05097bd6d9d749e
+F test/vacuum.test 7493b09398d576b69a8b2f55bac92d50a9b8e796
+F test/vacuum2.test 970acadc2b4c3342fa2584410d96eae2c2b37c25
 F test/varint.test ab7b110089a08b9926ed7390e7e97bdefeb74102
 F test/view.test 7e15fa1ba3267ddaa9ae96b6daf519f23f95b43e
 F test/vtab1.test bd905d1d43637a700308da6ffcc4e014c27e2f0a
@@ -606,7 +606,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P a13d3e953f1a3e451e8708a8ef064aa1d72cb4e9
-R 58a662df8c8fdddfe7a6980f15d2e446
-U danielk1977
-Z 1556b8cb2220031cd0813fc8b184cf26
+P 3aa5606bd4bd750a365454f42ab07826320f5b98
+R c504240cc22c2c769bef9b23e2b21009
+U drh
+Z 8d9f2dc043e5920fdb52614a59dd6687
diff --git a/manifest.uuid b/manifest.uuid
index a67b584bc1..ccc6f6853c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-3aa5606bd4bd750a365454f42ab07826320f5b98
\ No newline at end of file
+5807921f5a6e2e08f2c9e79aa91d8c587d64de74
\ No newline at end of file
diff --git a/src/os_unix.c b/src/os_unix.c
index 73fb65f5e5..6f9b3c02db 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -1032,8 +1032,8 @@ static int unixSync(sqlite3_file *id, int flags){
 static int unixTruncate(sqlite3_file *id, i64 nByte){
   int rc;
   assert( id );
+  SimulateIOError( return SQLITE_IOERR_TRUNCATE );
   rc = ftruncate(((unixFile*)id)->h, (off_t)nByte);
-  SimulateIOError( rc=1 );
   if( rc ){
     return SQLITE_IOERR_TRUNCATE;
   }else{
diff --git a/src/random.c b/src/random.c
index 19b284f94f..8684ce6700 100644
--- a/src/random.c
+++ b/src/random.c
@@ -15,11 +15,20 @@
 ** Random numbers are used by some of the database backends in order
 ** to generate random integer keys for tables or random filenames.
 **
-** $Id: random.c,v 1.20 2007/08/21 13:51:23 drh Exp $
+** $Id: random.c,v 1.21 2008/01/16 17:46:38 drh Exp $
 */
 #include "sqliteInt.h"
 
 
+/* All threads share a single random number generator.
+** This structure is the current state of the generator.
+*/
+static struct sqlite3PrngType {
+  unsigned char isInit;          /* True if initialized */
+  unsigned char i, j;            /* State variables */
+  unsigned char s[256];          /* State variables */
+} sqlite3Prng;
+
 /*
 ** Get a single 8-bit random value from the RC4 PRNG.  The Mutex
 ** must be held while executing this routine.
@@ -39,14 +48,6 @@
 static int randomByte(void){
   unsigned char t;
 
-  /* All threads share a single random number generator.
-  ** This structure is the current state of the generator.
-  */
-  static struct {
-    unsigned char isInit;          /* True if initialized */
-    unsigned char i, j;            /* State variables */
-    unsigned char s[256];          /* State variables */
-  } prng;
 
   /* Initialize the state of the random number generator once,
   ** the first time this routine is called.  The seed value does
@@ -57,33 +58,33 @@ static int randomByte(void){
   ** encryption.  The RC4 algorithm is being used as a PRNG (pseudo-random
   ** number generator) not as an encryption device.
   */
-  if( !prng.isInit ){
+  if( !sqlite3Prng.isInit ){
     int i;
     char k[256];
-    prng.j = 0;
-    prng.i = 0;
+    sqlite3Prng.j = 0;
+    sqlite3Prng.i = 0;
     sqlite3OsRandomness(sqlite3_vfs_find(0), 256, k);
     for(i=0; i<256; i++){
-      prng.s[i] = i;
+      sqlite3Prng.s[i] = i;
     }
     for(i=0; i<256; i++){
-      prng.j += prng.s[i] + k[i];
-      t = prng.s[prng.j];
-      prng.s[prng.j] = prng.s[i];
-      prng.s[i] = t;
+      sqlite3Prng.j += sqlite3Prng.s[i] + k[i];
+      t = sqlite3Prng.s[sqlite3Prng.j];
+      sqlite3Prng.s[sqlite3Prng.j] = sqlite3Prng.s[i];
+      sqlite3Prng.s[i] = t;
     }
-    prng.isInit = 1;
+    sqlite3Prng.isInit = 1;
   }
 
   /* Generate and return single random byte
   */
-  prng.i++;
-  t = prng.s[prng.i];
-  prng.j += t;
-  prng.s[prng.i] = prng.s[prng.j];
-  prng.s[prng.j] = t;
-  t += prng.s[prng.i];
-  return prng.s[t];
+  sqlite3Prng.i++;
+  t = sqlite3Prng.s[sqlite3Prng.i];
+  sqlite3Prng.j += t;
+  sqlite3Prng.s[sqlite3Prng.i] = sqlite3Prng.s[sqlite3Prng.j];
+  sqlite3Prng.s[sqlite3Prng.j] = t;
+  t += sqlite3Prng.s[sqlite3Prng.i];
+  return sqlite3Prng.s[t];
 }
 
 /*
@@ -101,3 +102,20 @@ void sqlite3Randomness(int N, void *pBuf){
   }
   sqlite3_mutex_leave(mutex);
 }
+
+#ifdef SQLITE_TEST
+/*
+** For testing purposes, we sometimes want to preserve the state of
+** PRNG and restore the PRNG to its saved state at a later time.
+*/
+static struct sqlite3PrngType sqlite3SavedPrng;
+void sqlite3SavePrngState(void){
+  memcpy(&sqlite3SavedPrng, &sqlite3Prng, sizeof(sqlite3Prng));
+}
+void sqlite3RestorePrngState(void){
+  memcpy(&sqlite3Prng, &sqlite3SavedPrng, sizeof(sqlite3Prng));
+}
+void sqlite3ResetPrngState(void){
+  sqlite3Prng.isInit = 0;
+}
+#endif /* SQLITE_TEST */
diff --git a/src/test1.c b/src/test1.c
index f1f706e4d8..b5ad630bf3 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 1.281 2007/12/13 21:54:11 drh Exp $
+** $Id: test1.c,v 1.282 2008/01/16 17:46:38 drh Exp $
 */
 #include "sqliteInt.h"
 #include "tcl.h"
@@ -4241,6 +4241,46 @@ static int vfs_unlink_test(
   return TCL_OK;
 }
 
+/*
+** tclcmd:  save_prng_state
+*/
+static int save_prng_state(
+  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
+  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
+  int objc,              /* Number of arguments */
+  Tcl_Obj *CONST objv[]  /* Command arguments */
+){
+  extern void sqlite3SavePrngState(void);
+  sqlite3SavePrngState();
+  return TCL_OK;
+}
+/*
+** tclcmd:  restore_prng_state
+*/
+static int restore_prng_state(
+  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
+  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
+  int objc,              /* Number of arguments */
+  Tcl_Obj *CONST objv[]  /* Command arguments */
+){
+  extern void sqlite3RestorePrngState(void);
+  sqlite3RestorePrngState();
+  return TCL_OK;
+}
+/*
+** tclcmd:  reset_prng_state
+*/
+static int reset_prng_state(
+  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
+  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
+  int objc,              /* Number of arguments */
+  Tcl_Obj *CONST objv[]  /* Command arguments */
+){
+  extern void sqlite3ResetPrngState(void);
+  sqlite3ResetPrngState();
+  return TCL_OK;
+}
+
 
 /*
 ** Register commands with the TCL interpreter.
@@ -4343,6 +4383,10 @@ int Sqlitetest1_Init(Tcl_Interp *interp){
      { "sqlite3_enable_load_extension", test_enable_load,        0},
      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
 
+     { "save_prng_state",               save_prng_state,    0 },
+     { "restore_prng_state",            restore_prng_state, 0 },
+     { "reset_prng_state",              reset_prng_state,   0 },
+
      /* sqlite3_column_*() API */
      { "sqlite3_column_count",          test_column_count  ,0 },
      { "sqlite3_data_count",            test_data_count    ,0 },
diff --git a/src/vdbe.c b/src/vdbe.c
index 8b62db8b32..bd4e3bf85c 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.695 2008/01/12 21:35:57 drh Exp $
+** $Id: vdbe.c,v 1.696 2008/01/16 17:46:38 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -3548,6 +3548,12 @@ case OP_NewRowid: {           /* out2-prerelease */
 ** may be NULL. If it is not NULL, then the update-hook 
 ** (sqlite3.xUpdateCallback) is invoked following a successful insert.
 **
+** (WARNING/TODO: If P1 is a pseudo-cursor and P2 is dynamically
+** allocated, then ownership of P2 is transferred to the pseudo-cursor
+** and register P2 becomes ephemeral.  If the cursor is changed, the
+** value of register P2 will then change.  Make sure this does not
+** cause any problems.)
+**
 ** This instruction only works on tables.  The equivalent instruction
 ** for indices is OP_IdxInsert.
 */
@@ -3585,7 +3591,8 @@ case OP_Insert: {         /* no-push */
       pC->nData = pData->n;
       if( pData->flags & MEM_Dyn ){
         pC->pData = pData->z;
-        pData->flags = MEM_Null;
+        pData->flags &= ~MEM_Dyn;
+        pData->flags |= MEM_Ephem;
       }else{
         pC->pData = sqlite3_malloc( pC->nData+2 );
         if( !pC->pData ) goto no_mem;
diff --git a/test/capi2.test b/test/capi2.test
index 4ebcff245b..147b234092 100644
--- a/test/capi2.test
+++ b/test/capi2.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script testing the callback-free C/C++ API.
 #
-# $Id: capi2.test,v 1.34 2007/08/22 00:39:21 drh Exp $
+# $Id: capi2.test,v 1.35 2008/01/16 17:46:38 drh Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -618,7 +618,6 @@ do_test capi2-7.11a {
 
 ifcapable {explain} {
   do_test capi2-7.12 {
-btree_breakpoint
     set x [stepsql $DB {EXPLAIN SELECT * FROM t1}]
     lindex $x 0
   } {0}
@@ -750,7 +749,6 @@ ifcapable view&&subquery {
       CREATE VIEW view2 AS SELECT * FROM tab1 limit 10 offset 10;
     }
   } {}
-  breakpoint
   do_test capi2-13.2 {
     check_origins {SELECT col2, col1 FROM view2}
   } [list {main tab1 col2} {main tab1 col1}]
diff --git a/test/crash4.test b/test/crash4.test
index dfe2c615e6..839299b542 100644
--- a/test/crash4.test
+++ b/test/crash4.test
@@ -12,7 +12,7 @@
 # This file contains additional tests to verify that SQLite database
 # file survive a power loss or OS crash.
 #
-# $Id: crash4.test,v 1.2 2008/01/09 23:21:25 drh Exp $
+# $Id: crash4.test,v 1.3 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -22,32 +22,6 @@ ifcapable !crashtest {
   return
 }
 
-# Generate a checksum based on the contents of the database. If the
-# checksum of two databases is the same, and the integrity-check passes
-# for both, the two databases are identical.
-#
-proc cksum {{db db}} {
-  set ret [list]
-  ifcapable tempdb {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT name FROM sqlite_temp_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master' UNION
-      SELECT 'sqlite_temp_master'
-    }
-  } else {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master'
-    }
-  }
-  set tbllist [$db eval $sql]
-  set txt {}
-  foreach tbl $tbllist {
-    append txt [$db eval "SELECT * FROM $tbl"]
-  }
-  return [md5 $txt]
-}
 
 # A sequence of SQL commands:
 #
@@ -72,10 +46,10 @@ set sql_cmd_list {
 # the state of the database prior to any of these statements.
 #
 set crash4_cksum_set {}
-lappend crash4_cksum_set [cksum db]
+lappend crash4_cksum_set [allcksum db]
 foreach cmd $sql_cmd_list {
   db eval $cmd
-  lappend crash4_cksum_set [cksum db]
+  lappend crash4_cksum_set [allcksum db]
 }
 
 # Run the sequence of SQL statements shown above repeatedly.
@@ -120,7 +94,7 @@ for {set cnt 1; set fin 0} {!$fin} {incr cnt} {
   sqlite3 db test.db
   integrity_check crash4-1.$cnt.2
   do_test crash4-1.$cnt.3 {
-    set x [lsearch $::crash4_cksum_set [cksum db]]
+    set x [lsearch $::crash4_cksum_set [allcksum db]]
     expr {$x>=0}
   } {1}
 }
diff --git a/test/interrupt.test b/test/interrupt.test
index b348baa6bf..b311cbb48a 100644
--- a/test/interrupt.test
+++ b/test/interrupt.test
@@ -11,28 +11,13 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script is the sqlite_interrupt() API.
 #
-# $Id: interrupt.test,v 1.15 2007/06/13 16:49:49 danielk1977 Exp $
+# $Id: interrupt.test,v 1.16 2008/01/16 17:46:38 drh Exp $
 
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 set DB [sqlite3_connection_pointer db]
 
-# Compute a checksum on the entire database.
-#
-proc cksum {{db db}} {
-  set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n
-  foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
-    append txt [$db eval "SELECT * FROM $tbl"]\n
-  }
-  foreach prag {default_synchronous default_cache_size} {
-    append txt $prag-[$db eval "PRAGMA $prag"]\n
-  }
-  set cksum [string length $txt]-[md5 $txt]
-  # puts $cksum-[file size test.db]
-  return $cksum
-}
-
 # This routine attempts to execute the sql in $sql.  It triggers an
 # interrupt at progressively later and later points during the processing
 # and checks to make sure SQLITE_INTERRUPT is returned.  Eventually,
diff --git a/test/ioerr.test b/test/ioerr.test
index 41a04614bb..17f6c40e0a 100644
--- a/test/ioerr.test
+++ b/test/ioerr.test
@@ -15,7 +15,7 @@
 # The tests in this file use special facilities that are only
 # available in the SQLite test fixture.
 #
-# $Id: ioerr.test,v 1.33 2007/10/09 08:29:32 danielk1977 Exp $
+# $Id: ioerr.test,v 1.34 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -167,7 +167,6 @@ ifcapable crashtest&&attach {
 # These tests can't be run on windows because the windows version of 
 # SQLite holds a mandatory exclusive lock on journal files it has open.
 #
-btree_breakpoint
 if {$tcl_platform(platform)!="windows"} {
   do_ioerr_test ioerr-7 -tclprep {
     db close
diff --git a/test/malloc.test b/test/malloc.test
index 454601934f..c169ca7a2d 100644
--- a/test/malloc.test
+++ b/test/malloc.test
@@ -16,7 +16,7 @@
 # to see what happens in the library if a malloc were to really fail
 # due to an out-of-memory situation.
 #
-# $Id: malloc.test,v 1.53 2007/11/28 22:36:41 drh Exp $
+# $Id: malloc.test,v 1.54 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -244,6 +244,7 @@ ifcapable utf16 {
 # This block tests that malloc() failures that occur whilst commiting
 # a multi-file transaction are handled correctly.
 #
+breakpoint
 do_malloc_test 9 -sqlprep {
   ATTACH 'test2.db' as test2;
   CREATE TABLE abc1(a, b, c);
@@ -270,7 +271,7 @@ do_malloc_test 10 -tclprep {
   sqlite3_extended_result_codes db2 1
   db2 eval {SELECT * FROM sqlite_master}
   db2 close
-} 
+}
 
 # This block tests malloc() failures that occur within calls to
 # sqlite3_create_function().
diff --git a/test/malloc2.test b/test/malloc2.test
index 1b123be87f..500fba80a6 100644
--- a/test/malloc2.test
+++ b/test/malloc2.test
@@ -16,7 +16,7 @@
 # Recovery from malloc() failures is automatic.  But we keep these
 # tests around because you can never have too many test cases.
 #
-# $Id: malloc2.test,v 1.9 2007/11/05 15:30:13 danielk1977 Exp $
+# $Id: malloc2.test,v 1.10 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -31,37 +31,9 @@ ifcapable !memdebug {
 
 sqlite3_extended_result_codes db 1
 
-# Generate a checksum based on the contents of the database. If the
-# checksum of two databases is the same, and the integrity-check passes
-# for both, the two databases are identical.
-#
-proc cksum {db} {
-  set ret [list]
-  ifcapable tempdb {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT name FROM sqlite_temp_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master' UNION
-      SELECT 'sqlite_temp_master'
-    }
-  } else {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master'
-    }
-  }
-  set tbllist [$db eval $sql]
-  set txt {}
-  foreach tbl $tbllist {
-    append txt [$db eval "SELECT * FROM $tbl"]
-  }
-  # puts txt=$txt
-  return [md5 $txt]
-}
-
 proc do_malloc2_test {tn args} {
   array set ::mallocopts $args
-  set sum [cksum db]
+  set sum [allcksum db]
 
   for {set ::n 1} {true} {incr ::n} {
 
@@ -116,7 +88,7 @@ proc do_malloc2_test {tn args} {
 
     # Checksum the database.
     do_test malloc2-$tn.$::n.5 {
-      cksum db
+      allcksum db
     } $sum
 
     integrity_check malloc2-$tn.$::n.6
diff --git a/test/malloc3.test b/test/malloc3.test
index 4959d5de3d..11bd9666b9 100644
--- a/test/malloc3.test
+++ b/test/malloc3.test
@@ -13,7 +13,7 @@
 # correctly. The emphasis of these tests are the _prepare(), _step() and
 # _finalize() calls.
 #
-# $Id: malloc3.test,v 1.18 2007/12/13 21:54:11 drh Exp $
+# $Id: malloc3.test,v 1.19 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -149,6 +149,7 @@ ifcapable !memdebug {
 set ::run_test_script [list]
 proc TEST {id t} {lappend ::run_test_script -test [list $id $t]}
 proc PREP {p} {lappend ::run_test_script -prep [string trim $p]}
+proc DEBUG {s} {lappend ::run_test_script -debug $s}
 
 # SQL --
 #
@@ -256,7 +257,7 @@ TEST 5 {
 set sql {
   BEGIN;DELETE FROM abc;
 }
-for {set i 1} {$i < 100} {incr i} {
+for {set i 1} {$i < 15} {incr i} {
   set a $i
   set b "String value $i"
   set c [string repeat X $i]
@@ -545,16 +546,14 @@ proc run_test {arglist iRepeat {pcstart 0} {iFailStart 1}} {
   while {$pc*2 < [llength $arglist]} {
 
     # Id of this iteration:
-    set iterid "(pc $pc).(iFail $iFail)"
     set k [lindex $arglist [expr 2 * $pc]]
+    set iterid "pc=$pc.iFail=$iFail$k"
     set v [lindex $arglist [expr 2 * $pc + 1]]
 
     switch -- $k {
 
       -test { 
         foreach {id script} $v {}
-        set testid "malloc3-(test $id).$iterid"
-        eval $script
         incr pc
       }
 
@@ -632,6 +631,11 @@ proc run_test {arglist iRepeat {pcstart 0} {iFailStart 1}} {
         incr pc
       }
 
+      -debug {
+        eval $v
+        incr pc
+      }
+
       default { error "Unknown switch: $k" }
     }
   }
diff --git a/test/mallocC.test b/test/mallocC.test
index 54e4c5f7c6..5d922e0cee 100644
--- a/test/mallocC.test
+++ b/test/mallocC.test
@@ -12,7 +12,7 @@
 # This file tests aspects of the malloc failure while parsing
 # CREATE TABLE statements in auto_vacuum mode.
 #
-# $Id: mallocC.test,v 1.7 2007/10/03 08:46:45 danielk1977 Exp $
+# $Id: mallocC.test,v 1.8 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -25,37 +25,9 @@ ifcapable !memdebug||!compound {
    return
 }
 
-# Generate a checksum based on the contents of the database. If the
-# checksum of two databases is the same, and the integrity-check passes
-# for both, the two databases are identical.
-#
-proc cksum {db} {
-  set ret [list]
-  ifcapable tempdb {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT name FROM sqlite_temp_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master' UNION
-      SELECT 'sqlite_temp_master'
-    }
-  } else {
-    set sql {
-      SELECT name FROM sqlite_master WHERE type = 'table' UNION
-      SELECT 'sqlite_master'
-    }
-  }
-  set tbllist [$db eval $sql]
-  set txt {}
-  foreach tbl $tbllist {
-    append txt [$db eval "SELECT * FROM $tbl"]
-  }
-  # puts txt=$txt
-  return [md5 $txt]
-}
-
 proc do_mallocC_test {tn args} {
   array set ::mallocopts $args
-  set sum [cksum db]
+  #set sum [allcksum db]
 
   for {set ::n 1} {true} {incr ::n} {
 
@@ -99,7 +71,7 @@ proc do_mallocC_test {tn args} {
 
     # Checksum the database.
     #do_test mallocC-$tn.$::n.3 {
-    #  cksum db
+    #  allcksum db
     #} $sum
 
     #integrity_check mallocC-$tn.$::n.4
diff --git a/test/malloc_common.tcl b/test/malloc_common.tcl
index a05501373f..15f6252f9e 100644
--- a/test/malloc_common.tcl
+++ b/test/malloc_common.tcl
@@ -12,7 +12,7 @@
 # This file contains common code used by many different malloc tests
 # within the test suite.
 #
-# $Id: malloc_common.tcl,v 1.9 2007/10/03 08:46:45 danielk1977 Exp $
+# $Id: malloc_common.tcl,v 1.10 2008/01/16 17:46:38 drh Exp $
 
 # If we did not compile with malloc testing enabled, then do nothing.
 #
@@ -56,6 +56,7 @@ proc do_malloc_test {tn args} {
   } else {
     set start 0
   }
+  save_prng_state
 
   foreach ::iRepeat {0 1} {
     set ::go 1
@@ -68,6 +69,8 @@ proc do_malloc_test {tn args} {
       #
       set zRepeat "transient"
       if {$::iRepeat} {set zRepeat "persistent"}
+      restore_prng_state
+      foreach file [glob -nocomplain test.db-mj*] {file delete -force $file}
 
       do_test ${tn}.${zRepeat}.${::n} {
   
diff --git a/test/tester.tcl b/test/tester.tcl
index 0c2d9aca2e..949856a2a0 100644
--- a/test/tester.tcl
+++ b/test/tester.tcl
@@ -11,7 +11,7 @@
 # This file implements some common TCL routines used for regression
 # testing the SQLite library
 #
-# $Id: tester.tcl,v 1.99 2008/01/16 08:24:46 danielk1977 Exp $
+# $Id: tester.tcl,v 1.100 2008/01/16 17:46:38 drh Exp $
 
 
 set tcl_precision 15
@@ -460,6 +460,8 @@ proc do_ioerr_test {testname args} {
   array set ::ioerropts $args
 
   set ::go 1
+  #reset_prng_state
+  save_prng_state
   for {set n $::ioerropts(-start)} {$::go} {incr n} {
     set ::TN $n
     incr ::ioerropts(-count) -1
@@ -469,6 +471,7 @@ proc do_ioerr_test {testname args} {
     if {[info exists ::ioerropts(-exclude)]} {
       if {[lsearch $::ioerropts(-exclude) $n]!=-1} continue
     }
+    restore_prng_state
 
     # Delete the files test.db and test2.db, then execute the TCL and 
     # SQL (in that order) to prepare for the test case.
@@ -494,7 +497,7 @@ proc do_ioerr_test {testname args} {
     if {$::ioerropts(-cksum)} {
       set checksum [cksum]
     }
-  
+
     # Set the Nth IO error to fail.
     do_test $testname.$n.2 [subst {
       set ::sqlite_io_error_persist $::ioerropts(-persist)
@@ -533,8 +536,19 @@ proc do_ioerr_test {testname args} {
           return $rc
         }
       }
-      # The test repeats as long as $::go is true.  
-      set ::go [expr {$::sqlite_io_error_pending<=0}]
+      # The test repeats as long as $::go is non-zero.  $::go starts out
+      # as 1.  When a test runs to completion without hitting an I/O
+      # error, that means there is no point in continuing with this test
+      # case so set $::go to zero.
+      #
+      if {$::sqlite_io_error_pending>0} {
+        set ::go 0
+        set q 0
+        set ::sqlite_io_error_pending 0
+      } else {
+        set q 1
+      }
+
       set s [expr $::sqlite_io_error_hit==0]
       set ::sqlite_io_error_hit 0
 
@@ -542,7 +556,7 @@ proc do_ioerr_test {testname args} {
       #   1.  We never hit the IO error and the SQL returned OK
       #   2.  An IO error was hit and the SQL failed
       #
-      expr { ($s && !$r && !$::go) || (!$s && $r && $::go) }
+      expr { ($s && !$r && !$q) || (!$s && $r && $q) }
     } {1}
 
     # If an IO error occured, then the checksum of the database should
@@ -565,7 +579,8 @@ proc do_ioerr_test {testname args} {
   unset ::ioerropts
 }
 
-# Return a checksum based on the contents of database 'db'.
+# Return a checksum based on the contents of the main database associated
+# with connection $db
 #
 proc cksum {{db db}} {
   set txt [$db eval {
@@ -584,6 +599,39 @@ proc cksum {{db db}} {
   return $cksum
 }
 
+# Generate a checksum based on the contents of the main and temp tables
+# database $db. If the checksum of two databases is the same, and the
+# integrity-check passes for both, the two databases are identical.
+#
+proc allcksum {db} {
+  set ret [list]
+  ifcapable tempdb {
+    set sql {
+      SELECT name FROM sqlite_master WHERE type = 'table' UNION
+      SELECT name FROM sqlite_temp_master WHERE type = 'table' UNION
+      SELECT 'sqlite_master' UNION
+      SELECT 'sqlite_temp_master' ORDER BY 1
+    }
+  } else {
+    set sql {
+      SELECT name FROM sqlite_master WHERE type = 'table' UNION
+      SELECT 'sqlite_master' ORDER BY 1
+    }
+  }
+  set tbllist [$db eval $sql]
+  set txt {}
+  foreach tbl $tbllist {
+    append txt [$db eval "SELECT * FROM $tbl"]
+  }
+  foreach prag {default_cache_size} {
+    append txt $prag-[$db eval "PRAGMA $prag"]\n
+  }
+  # puts txt=$txt
+  return [md5 $txt]
+}
+
+
+
 # Copy file $from into $to. This is used because some versions of
 # TCL for windows (notably the 8.4.1 binary package shipped with the
 # current mingw release) have a broken "file copy" command.
diff --git a/test/vacuum.test b/test/vacuum.test
index bcf204d078..0576bb67c9 100644
--- a/test/vacuum.test
+++ b/test/vacuum.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the VACUUM statement.
 #
-# $Id: vacuum.test,v 1.38 2006/10/04 11:55:50 drh Exp $
+# $Id: vacuum.test,v 1.39 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -29,27 +29,6 @@ if $AUTOVACUUM {
 }
 
 set fcnt 1
-proc cksum {{db db}} {
-  set sql "SELECT name, type, sql FROM sqlite_master ORDER BY name, type"
-  set txt [$db eval $sql]\n
-  set sql "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"
-  foreach tbl [$db eval $sql] {
-    append txt [$db eval "SELECT * FROM $tbl"]\n
-  }
-  foreach prag {default_cache_size} {
-    append txt $prag-[$db eval "PRAGMA $prag"]\n
-  }
-  if 0 {
-    global fcnt
-    set fd [open dump$fcnt.txt w]
-    puts -nonewline $fd $txt
-    close $fd
-    incr fcnt
-  }
-  set cksum [string length $txt]-[md5 $txt]
-  # puts $cksum-[file size test.db]
-  return $cksum
-}
 do_test vacuum-1.1 {
   execsql {
     BEGIN;
@@ -70,14 +49,14 @@ do_test vacuum-1.1 {
     DROP TABLE t2;
   }
   set ::size1 [file size test.db]
-  set ::cksum [cksum]
+  set ::cksum [allcksum]
   expr {$::cksum!=""}
 } {1}
 do_test vacuum-1.2 {
   execsql {
     VACUUM;
   }
-  cksum
+  allcksum
 } $cksum
 ifcapable vacuum {
   do_test vacuum-1.3 {
@@ -105,14 +84,14 @@ do_test vacuum-1.4 {
   }
   execsql $sql_script
   set ::size1 [file size test.db]
-  set ::cksum [cksum]
+  set ::cksum [allcksum]
   expr {$::cksum!=""}
 } {1}
 do_test vacuum-1.5 {
   execsql {
     VACUUM;
   }
-  cksum
+  allcksum
 } $cksum
 
 ifcapable vacuum {
@@ -140,17 +119,17 @@ do_test vacuum-2.2 {
     DROP TABLE t4;
     DROP TABLE t5;
   } db2
-  set ::cksum [cksum db2]
+  set ::cksum [allcksum db2]
   catchsql {
     VACUUM
   }
 } {0 {}}
 do_test vacuum-2.3 {
-  cksum
+  allcksum
 } $cksum
 do_test vacuum-2.4 {
   catch {db2 eval {SELECT count(*) FROM sqlite_master}}
-  cksum db2
+  allcksum db2
 } $cksum
 
 # Make sure the schema cookie is incremented by vacuum.
@@ -329,28 +308,28 @@ ifcapable {autoinc} {
       INSERT INTO autoinc(b) VALUES('there');
       DELETE FROM autoinc;
     }
-    set ::cksum [cksum]
+    set ::cksum [allcksum]
     expr {$::cksum!=""}
   } {1}
   do_test vacuum-9.2 {
     execsql {
       VACUUM;
     }
-    cksum
+    allcksum
   } $::cksum
   do_test vacuum-9.3 {
     execsql {
       INSERT INTO autoinc(b) VALUES('one');
       INSERT INTO autoinc(b) VALUES('two');
     }
-    set ::cksum [cksum]
+    set ::cksum [allcksum]
     expr {$::cksum!=""}
   } {1}
   do_test vacuum-9.4 {
     execsql {
       VACUUM;
     }
-    cksum
+    allcksum
   } $::cksum
 }
 
diff --git a/test/vacuum2.test b/test/vacuum2.test
index 7ea1808148..c0a7c7f1eb 100644
--- a/test/vacuum2.test
+++ b/test/vacuum2.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the VACUUM statement.
 #
-# $Id: vacuum2.test,v 1.5 2007/12/06 17:41:28 drh Exp $
+# $Id: vacuum2.test,v 1.6 2008/01/16 17:46:38 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -66,22 +66,6 @@ do_test vacuum2-2.1 {
 sqlite3 db2 test.db
 set pageSize [db eval {pragma page_size}]
 
-# Compute a checksum on the content of a database
-#
-proc cksum {{db db}} {
-  set sql "SELECT name, type, sql FROM sqlite_master ORDER BY name, type"
-  set txt [$db eval $sql]\n
-  set sql "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"
-  foreach tbl [$db eval $sql] {
-    append txt [$db eval "SELECT * FROM $tbl"]\n
-  }
-  foreach prag {default_cache_size} {
-    append txt $prag-[$db eval "PRAGMA $prag"]\n
-  }
-  set cksum [string length $txt]-[md5 $txt]
-  return $cksum
-}
-
 # We are currently not autovacuuming so the database should be 3 pages
 # in size.  1 page for each of sqlite_master, t1, and t2.
 #
@@ -92,9 +76,9 @@ do_test vacuum2-3.1 {
   }
   expr {[file size test.db]/$pageSize}
 } {3}
-set cksum [cksum]
+set cksum [allcksum]
 do_test vacuum2-3.2 {
-  cksum db2
+  allcksum db2
 } $cksum
 
 # Convert the database to an autovacuumed database.
@@ -106,10 +90,10 @@ do_test vacuum2-3.3 {
   expr {[file size test.db]/$pageSize}
 } {4}
 do_test vacuum2-3.4 {
-  cksum db2
+  allcksum db2
 } $cksum
 do_test vacuum2-3.5 {
-  cksum
+  allcksum
 } $cksum
 do_test vacuum2-3.6 {
   execsql {PRAGMA integrity_check} db2
@@ -127,10 +111,10 @@ do_test vacuum2-3.13 {
   expr {[file size test.db]/$pageSize}
 } {3}
 do_test vacuum2-3.14 {
-  cksum db2
+  allcksum db2
 } $cksum
 do_test vacuum2-3.15 {
-  cksum
+  allcksum
 } $cksum
 do_test vacuum2-3.16 {
   execsql {PRAGMA integrity_check} db2