diff --git a/autoconf/Makefile.am b/autoconf/Makefile.am
index 8abf15a7f9..a9a8d803dc 100644
--- a/autoconf/Makefile.am
+++ b/autoconf/Makefile.am
@@ -14,7 +14,7 @@ sqlite3_CFLAGS = $(AM_CFLAGS) -DSQLITE_ENABLE_EXPLAIN_COMMENTS -DSQLITE_ENABLE_D
 
 include_HEADERS = sqlite3.h sqlite3ext.h
 
-EXTRA_DIST = sqlite3.1 tea Makefile.msc sqlite3.rc README.txt Replace.cs
+EXTRA_DIST = sqlite3.1 tea Makefile.msc sqlite3.rc README.txt Replace.cs Makefile.fallback
 pkgconfigdir = ${libdir}/pkgconfig
 pkgconfig_DATA = sqlite3.pc
 
diff --git a/autoconf/Makefile.fallback b/autoconf/Makefile.fallback
new file mode 100644
index 0000000000..9355b147a8
--- /dev/null
+++ b/autoconf/Makefile.fallback
@@ -0,0 +1,19 @@
+#!/usr/bin/make
+#
+# If the configure script does not work, then this Makefile is available
+# as a backup.  Manually configure the variables below.
+#
+# Note:  This makefile works out-of-the-box on MacOS 10.2 (Jaguar)
+#
+CC = gcc
+CFLAGS = -O0 -I.
+LIBS = -lz
+COPTS += -D_BSD_SOURCE
+COPTS += -DSQLITE_ENABLE_LOCKING_STYLE=0
+COPTS += -DSQLITE_THREADSAFE=0
+COPTS += -DSQLITE_OMIT_LOAD_EXTENSION
+COPTS += -DSQLITE_WITHOUT_ZONEMALLOC
+COPTS += -DSQLITE_ENABLE_RTREE
+
+sqlite3:	shell.c sqlite3.c
+	$(CC) $(CFLAGS) $(COPTS) -o sqlite3 shell.c sqlite3.c $(LIBS)
diff --git a/ext/expert/expert1.test b/ext/expert/expert1.test
index 6db6944083..d1564c513f 100644
--- a/ext/expert/expert1.test
+++ b/ext/expert/expert1.test
@@ -286,7 +286,6 @@ do_setup_rec_test $tn.14 {
   INSERT INTO t9 VALUES(?, ?, ?);
 } {
   CREATE INDEX t10_idx_00000062 ON t10(b); 
-  -- TRIGGER t9t
   SEARCH TABLE t10 USING INDEX t10_idx_00000062 (b=?)
 }
 
diff --git a/ext/expert/sqlite3expert.c b/ext/expert/sqlite3expert.c
index bd7220437a..695aaece8c 100644
--- a/ext/expert/sqlite3expert.c
+++ b/ext/expert/sqlite3expert.c
@@ -1152,7 +1152,9 @@ int idxFindIndexes(
         }
       }
 
-      pStmt->zEQP = idxAppendText(&rc, pStmt->zEQP, "%s\n", zDetail);
+      if( zDetail[0]!='-' ){
+        pStmt->zEQP = idxAppendText(&rc, pStmt->zEQP, "%s\n", zDetail);
+      }
     }
 
     for(pEntry=hIdx.pFirst; pEntry; pEntry=pEntry->pNext){
diff --git a/ext/misc/csv.c b/ext/misc/csv.c
index e0afdd5d22..ec90f96f28 100644
--- a/ext/misc/csv.c
+++ b/ext/misc/csv.c
@@ -205,7 +205,8 @@ static int csv_append(CsvReader *p, char c){
 **   +  Store the character that terminates the field in p->cTerm.  Store
 **      EOF on end-of-file.
 **
-** Return "" at EOF.  Return 0 on an OOM error.
+** Return 0 at EOF or on OOM.  On EOF, the p->cTerm character will have
+** been set to EOF.
 */
 static char *csv_read_one_field(CsvReader *p){
   int c;
@@ -213,7 +214,7 @@ static char *csv_read_one_field(CsvReader *p){
   c = csv_getc(p);
   if( c==EOF ){
     p->cTerm = EOF;
-    return "";
+    return 0;
   }
   if( c=='"' ){
     int pc, ppc;
@@ -544,8 +545,7 @@ static int csvtabConnect(
     pNew->nCol = nCol;
   }else{
     do{
-      const char *z = csv_read_one_field(&sRdr);
-      if( z==0 ) goto csvtab_connect_oom;
+      csv_read_one_field(&sRdr);
       pNew->nCol++;
     }while( sRdr.cTerm==',' );
   }
@@ -663,7 +663,6 @@ static int csvtabNext(sqlite3_vtab_cursor *cur){
   do{
     z = csv_read_one_field(&pCur->rdr);
     if( z==0 ){
-      csv_xfer_error(pTab, &pCur->rdr);
       break;
     }
     if( i<pTab->nCol ){
diff --git a/manifest b/manifest
index 039d81a458..1626534faa 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\ssupport\sfor\swindow\sfunction\scume_dist().\sImprove\stests\sfor\spercent_rank().
-D 2018-06-04T08:22:09.586
+C Merge\slatest\strunk\schanges\sinto\sthis\sbranch.
+D 2018-06-04T08:28:18.148
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in bfc40f350586923e0419d2ea4b559c37ec10ee4b6e210e08c14401f8e340f0da
@@ -12,7 +12,8 @@ F art/sqlite370.eps aa97a671332b432a54e1d74ff5e8775be34200c2
 F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
 F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
 F autoconf/INSTALL 83e4a25da9fd053c7b3665eaaaf7919707915903
-F autoconf/Makefile.am f8c274ee0022cb6d48ff103ab6c6b0733c41b3b02cb8566228dfd602f701e0c2
+F autoconf/Makefile.am 465fb475ee5a4b8a63d26c889cb36a4edbff0325b6859eb29a13cdf5c91b005c
+F autoconf/Makefile.fallback 22fe523eb36dfce31e0f6349f782eb084e86a5620b2b0b4f84a2d6133f53f5ac
 F autoconf/Makefile.msc 6a46d0659d6e4a25346102bcba40a7fb4b0b8b2dc4faabdf0187488c6dd580d6
 F autoconf/README.first 6c4f34fe115ff55d4e8dbfa3cecf04a0188292f7
 F autoconf/README.txt 4f04b0819303aabaa35fff5f7b257fb0c1ef95f1
@@ -44,8 +45,8 @@ F ext/async/sqlite3async.c 0f3070cc3f5ede78f2b9361fb3b629ce200d7d74
 F ext/async/sqlite3async.h f489b080af7e72aec0e1ee6f1d98ab6cf2e4dcef
 F ext/expert/README.md b321c2762bb93c18ea102d5a5f7753a4b8bac646cb392b3b437f633caf2020c3
 F ext/expert/expert.c d548d603a4cc9e61f446cc179c120c6713511c413f82a4a32b1e1e69d3f086a4
-F ext/expert/expert1.test 87e54effda905d991edfe4bcd28098460a568246129ab7263f71b25420ea727f
-F ext/expert/sqlite3expert.c 95fdee74be2912d962951d984f1123e55d3f44bd643da7a48ff6ea9426a47f69
+F ext/expert/expert1.test baa05800dc1c569faa7ce6232cead0fcedc07fea038b3a2489eaaf710831d546
+F ext/expert/sqlite3expert.c 89b7b59be610b929958db02416539a46ac088fd84f81623c4190aff62e92c3c4
 F ext/expert/sqlite3expert.h af6354f8ee5c9e025024e63fec3bd640a802afcc3099a44d804752cf0791d811
 F ext/expert/test_expert.c d56c194b769bdc90cf829a14c9ecbc1edca9c850b837a4d0b13be14095c32a72
 F ext/fts1/README.txt 20ac73b006a70bcfd80069bdaf59214b6cf1db5e
@@ -274,7 +275,7 @@ F ext/misc/carray.c ed96c218ea940b85c9a274c4d9c59fe9491c299147a38a8bba537687bd6c
 F ext/misc/closure.c fe928228e8dfb2f00227311c203ccba9c2e5561f4f6de6da87e5b4a30cd8af15
 F ext/misc/completion.c e75b8886a2531f9a7ec02dab5f179bb37e6bd46b5da7665a6cbf2dfbe2daa483
 F ext/misc/compress.c dd4f8a6d0baccff3c694757db5b430f3bbd821d8686d1fc24df55cf9f035b189
-F ext/misc/csv.c d1e324fac3f87f818d684a3d752d1ef76dbcd4fc0db6746ac4034c19d0bcda21
+F ext/misc/csv.c 65297bcce8d5acd5aadef42acbe739aef5a2ef5e74c7b73361ca19f3e21de657
 F ext/misc/dbdump.c 69ef1be5b210538f77dfcc6fcb55b4b5f5e98b1e0bcfd67d818711e10761db4d
 F ext/misc/eval.c 6ea9b22a5fa0dd973b67ca4e53555be177bc0b7b263aadf1024429457c82c0e3
 F ext/misc/fileio.c 48c7751c78fc4cdd29d8c862fd2f3f98bbfefa2a3cf1ca1496df4bf02eb8cded
@@ -431,34 +432,34 @@ F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
 F src/alter.c cf7a8af45cb0ace672f47a1b29ab24092a9e8cd8d945a9974e3b5d925f548594
 F src/analyze.c 1250e69bd137314845afec5c489fc49c9de7baef68970b5530a7bc28f7611db1
 F src/attach.c 3af6abc40733d10014b401c89a4e8ecfa7c3855517c62004461875220a3af453
-F src/auth.c 6277d63837357549fe14e723490d6dc1a38768d71c795c5eb5c0f8a99f918f73
+F src/auth.c a38f3c63c974787ecf75e3213f8cac6568b9a7af7591fb0372ec0517dd16dca8
 F src/backup.c faf17e60b43233c214aae6a8179d24503a61e83b
 F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
 F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
-F src/btree.c b8fc4fcf851316fc0b84d4aa46899d127df952c39cfeb067bc97036060df1138
+F src/btree.c 7c26bc1d8ee43ea312c07c9abe332514d85f48aae37661e170cdd790a138b7d8
 F src/btree.h d46a8e31a4bd15572cdb6f2c940966f57b605b865628028c5eccf7d1bed83bac
 F src/btreeInt.h 620ab4c7235f43572cf3ac2ac8723cbdf68073be4d29da24897c7b77dda5fd96
-F src/build.c 50ff3e0fa07646b4d797aae0f773efcdb7602f6a5e2f5da27856503f35200889
-F src/callback.c fe677cb5f5abb02f7a772a62a98c2f516426081df68856e8f2d5f950929b966a
+F src/build.c 5fc41458505331bfb0c175f40b9a13cb335f826bed3ae311aaae000c132d7b16
+F src/callback.c 36caff1e7eb7deb58572d59c41cee8f064a11d00297616995c5050ea0cfc1288
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c 849d4cebe008cfc6e4799b034a172b4eaf8856b100739632a852732ba66eee48
 F src/date.c ebe1dc7c8a347117bb02570f1a931c62dd78f4a2b1b516f4837d45b7d6426957
 F src/dbpage.c 8db4c97f630e7d83f884ea75caf1ffd0988c160e9d530194d93721c80821e0f6
 F src/dbstat.c edabb82611143727511a45ca0859b8cd037851ebe756ae3db289859dd18b6f91
 F src/delete.c 4c8c7604277a2041647f96b78f4b9a47858e9217e4fb333d35e7b5ab32c5b57f
-F src/expr.c bb57b0b5ba1351335091ce4ec43b40968746f03afd65c9e2920d7cbe4dc98133
+F src/expr.c 7c8880478dfacabff1c3e405fa11dc37e1e244a81bf6d175faecf36adb705ef0
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
-F src/fkey.c d617daf66b5515e2b42c1405b2b4984c30ca50fb705ab164271a9bf66c69e331
+F src/fkey.c b1da9ef8dc834603bb0d28972378a7ce65897847f9a1e89ab800bbdf24c788ee
 F src/func.c 4bee7609e4a736554d3d29db9ced9f4aacb1c81ab1c19e1d02451c647afa692b
 F src/global.c 9bf034fd560bdd514715170ed8460bb7f823cec113f0569ef3f18a20c7ccd128
 F src/hash.c a12580e143f10301ed5166ea4964ae2853d3905a511d4e0c44497245c7ce1f7a
 F src/hash.h ab34c5c54a9e9de2e790b24349ba5aab3dbb4fd4
 F src/hwtime.h 747c1bbe9df21a92e9c50f3bbec1de841dc5e5da
 F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
-F src/insert.c 25f2e3cb93821944dec28921c4cfb7729b3ac6e75d860fd7cd934265404a35b0
+F src/insert.c 76b1dc902e4c3930d9a17a40cd8ee2e94b1fd8cce766672caef164a6d5d4df1d
 F src/legacy.c 134ab3e3fae00a0f67a5187981d6935b24b337bcf0f4b3e5c9fa5763da95bf4e
 F src/loadext.c 6aae5739198d96c51ae6eb97c4a5b1744c22ed7a5a565a5399a717780d48a36b
-F src/main.c b56b2d62d5d11e3f5100b25fca34c13c62a0fe73941f6873454a7fa8a454170d
+F src/main.c 0402e234155e0aad75fe6cd204864f492495be8605a50b4b3d4d72895cced3ce
 F src/malloc.c 07295435093ce354c6d9063ac05a2eeae28bd251d2e63c48b3d67c12c76f7e18
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
@@ -478,28 +479,28 @@ F src/os.c 1cb0d1d1b3a4267966dee6e292d2b2cdf88e47c0c59cebff27ecafac052dd165
 F src/os.h 48388821692e87da174ea198bf96b1b2d9d83be5dfc908f673ee21fafbe0d432
 F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
 F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
-F src/os_unix.c 2b53b0b8ddc580db096252c721729e5f5f2f355b4fc056f8f3fb328aeb3c9e8a
+F src/os_unix.c c230a7a24766320d8414afd087edcd43e499fb45e86361f6f4f464f343d965a9
 F src/os_win.c ac29c25cde4cfb4adacc59cdec4aa45698ca0e29164ea127859585ccd9faa354
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 F src/pager.c 1bb6a57fa0465296a4d6109a1a64610a0e7adde1f3acf3ef539a9d972908ce8f
 F src/pager.h c571b064df842ec8f2e90855dead9acf4cbe0d1b2c05afe0ef0d0145f7fd0388
-F src/parse.y 9ae79a4f9df5d1ba474807361b3d66ae901d9502abe205fcf96a1dc7793d87fd
+F src/parse.y 9eaa457cff322e0dd5f52e363eab0b73f11bcd35bdced58274dead597e1a3d6a
 F src/pcache.c 135ef0bc6fb2e3b7178d49ab5c9176254c8a691832c1bceb1156b2fbdd0869bd
 F src/pcache.h 072f94d29281cffd99e46c1539849f248c4b56ae7684c1f36626797fee375170
 F src/pcache1.c 716975564c15eb6679e97f734cec1bfd6c16ac3d4010f05f1f8e509fc7d19880
 F src/pragma.c c0d13c0e82a9197aef5533d63300c5b0c8a216ae1fd14ada64e1f12f398d7e82
 F src/pragma.h bb83728944b42f6d409c77f5838a8edbdb0fe83046c5496ffc9602b40340a324
 F src/prepare.c 95a9dba7a5d032039a77775188cb3b6fb17f2fa1a0b7cd915b30b4b823383ffa
-F src/printf.c 1d1b4a568a58d0f32a5ff26c6b98db8a6e1883467f343a6406263cacd2e60c21
+F src/printf.c 7f6f3cba8e0c49c19e30a1ff4e9aeda6e06814dcbad4b664a69e1b6cb6e7e365
 F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
-F src/resolve.c 6b62d3427e642c9b275bf25b0239b7fb941bf00b059edb0e55b35f6c789c7259
+F src/resolve.c 172f4c514b41dabc00cf5ada72f6de6f897881d50de5fd33a94f3d1e5c36dafc
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
-F src/select.c 3ba9808f63c7e8e23903b85008f84df15d86da68730840521cbf04dec2f89883
-F src/shell.c.in 51c100206f4b7f86cd9affd80b764825e0edc36ca0190c442e4ca7994611bfe2
-F src/sqlite.h.in e379906b85cc3539c6a37ab972f2c28711b28854a457f54e137d20f75db5db7c
+F src/select.c 2af92d42734da1785fceed72260221bc66e0b24638b1894ad2c3b11a33a790a4
+F src/shell.c.in c29cb307d6275131e6f9874e0fa73f87acf40a22c4a82faba2059a93b4d294d1
+F src/sqlite.h.in 63b07f76731f2b1e55c48fdb9f0508dcc6fbe3971010b8612ffd847c3c56d9a1
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 9887b27e69c01e79c2cbe74ef73bf01af5b5703d6a7f0a4371e386d7249cb1c7
-F src/sqliteInt.h 777f048d4590801f421ff78e51d5b76ff4e9aa9de19dedfeccb309ff6a1559a0
+F src/sqliteInt.h 7a9f462bffcfd4437982d9a0e6d557e0119fe2b7306c66b4ce1f8bc0e86587c7
 F src/sqliteLimit.h 1513bfb7b20378aa0041e7022d04acb73525de35b80b252f1b83fedb4de6a76b
 F src/status.c 46e7aec11f79dad50965a5ca5fa9de009f7d6bde08be2156f1538a0a296d4d0e
 F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@ -560,20 +561,20 @@ F src/tokenize.c bbde32eac9eb1280f5292bcdfef66f5a57e43176cbf9347e0efab9f75e133f9
 F src/treeview.c 2c5c4bc0a443401db5fd621542150452ddf5055d38edd4eef868bc2b6bfb0260
 F src/trigger.c 4ace6d1d5ba9a89822deb287317f33c810440526eafe185c2d8a48c31df1e995
 F src/update.c 46dc24c6158446aaab45caee09b6d99327cb479268b83ffeb5b701823da3b67b
-F src/upsert.c ae4a4823b45c4daf87e8aea8c0f582a8844763271f5ed54ee5956c4c612734f4
+F src/upsert.c 47edd408cc73f8d3c00a140550d1ad180b407c146285947969dd09874802bf88
 F src/utf.c 810fbfebe12359f10bc2a011520a6e10879ab2a163bcb26c74768eab82ea62a5
 F src/util.c d9eb0a6c4aae1b00a7369eadd7ca0bbe946cb4c953b6751aa20d357c2f482157
 F src/vacuum.c 37730af7540033135909ecaee3667dddec043293428d8718546d0d64ba4a5025
-F src/vdbe.c 976746c8e61744b18e76eb150007014db4577c4659a5fab63b424be2d822cbf7
-F src/vdbe.h d970d9738efdd09cb2df73e3a40856e7df13e88a3486789c49fcdd322c9eb8a2
-F src/vdbeInt.h 3878856fab3a8e64d27d472909e391db9d82f4f8b902a1737a1f7f351299ff52
-F src/vdbeapi.c 29d2baf9c1233131ec467d7bed1b7c8a03c27579048d768c4b04acf427838858
-F src/vdbeaux.c 3b0650dbebebb196010d8af830551e61ea7dcc0e414a2b747f897305b0bd0b8f
+F src/vdbe.c 29f340316af05a314f4a4f7e7c96332ba7cda3b837d7c31f7aee2264a3a57424
+F src/vdbe.h e3f43bcc27ff30b0f25a6104d0cb5657e1c4b5e1b5cd2dd2216d5bcc2156a746
+F src/vdbeInt.h 1688454271594ade96a233394fdf3ba662e4d5b6c5d285bf0d29002f565b76fa
+F src/vdbeapi.c 765a0bbe01311626417de6cb743f7f25f9f98435c98a9df4bb0714d11014633d
+F src/vdbeaux.c b00d35805a2b326d1371ab7ce8f3a95c8af35b1431367ffe482fc2c735d69fb1
 F src/vdbeblob.c f5c70f973ea3a9e915d1693278a5f890dc78594300cf4d54e64f2b0917c94191
-F src/vdbemem.c a4b9390323f0ae4972968de8384c64f005fa026e266fa1531dfa9d77bc5861db
+F src/vdbemem.c d80b04b4c1b65807201bfaadb11ef0ad7c8fd5ca8e5b8bc4858960e79394d1d1
 F src/vdbesort.c 731a09e5cb9e96b70c394c1b7cf3860fbe84acca7682e178615eb941a3a0ef2f
 F src/vdbetrace.c 79d6dbbc479267b255a7de8080eee6e729928a0ef93ed9b0bfa5618875b48392
-F src/vtab.c 0e4885495172e1bdf54b12cce23b395ac74ef5729031f15e1bc1e3e6b360ed1a
+F src/vtab.c 10ea07dec111de6fb0a4fc87a7ffa4c65fdc088a19dbfaf7d6f2b128f2e8eb7b
 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c aa9cffc7a2bad6b826a86c8562dd4978398720ed41cb8ee7aa9d054eb8b456a0
 F src/wal.h 8de5d2d3de0956d6f6cb48c83a4012d5f227b8fe940f3a349a4b7e85ebcb492a
@@ -627,7 +628,7 @@ F test/auth.test 3d6cd8f3978ba55b1202574e6ecd79c6e00914ca44b9bfd6c1fe6fb873fcac8
 F test/auth2.test 9eb7fce9f34bf1f50d3f366fb3e606be5a2000a1
 F test/auth3.test db21405b95257c24d29273b6b31d0efc59e1d337e3d5804ba2d1fd4897b1ae49
 F test/autoanalyze1.test b9cc3f32a990fa56669b668d237c6d53e983554ae80c0604992e18869a0b2dec
-F test/autoinc.test c6df81f1de9a5499f912c58e5389d0bcb8d42459df832b65aee24338ad422a42
+F test/autoinc.test 9d202b7dce6571e52b744138eff12610214501acd635abdd72d18736cd06fd22
 F test/autoindex1.test a09958fa756129af10b6582bcbf3cbdf11e305e027b393f393caef801159dee0
 F test/autoindex2.test 12ef578928102baaa0dc23ad397601a2f4ecb0df
 F test/autoindex3.test 2dd997d6590438b53e4f715f9278aa91c9299cf3f81246a0915269c35beb790e
@@ -740,7 +741,7 @@ F test/crashM.test d95f59046fa749b0d0822edf18a717788c8f318d
 F test/crashtest1.c 09c1c7d728ccf4feb9e481671e29dda5669bbcc2
 F test/createtab.test b5de160630b209c4b8925bdcbbaf48cc90b67fe8
 F test/cse.test 277350a26264495e86b1785f34d2d0c8600e021c
-F test/csv01.test b99db7e57ee66fb3aa6e5d25af119003bee90bf679c5885711cbf7374f025b73
+F test/csv01.test 6e1445b3207d574cff22fc41a8e549dfcf2466ee90546ada97d22a90fa89eb58
 F test/ctime.test 78749e6c9a5f0010d67985be80788f841e3cd2da18114e2ed6010399a7d807f3
 F test/cursorhint.test 7bc346788390475e77a345da2b92270d04d35856
 F test/cursorhint2.test 0078ae1ded4afcf5eb80d06e3a72b6e1c3f1a646aab26eeb583b0a9ec6f0d56e
@@ -773,7 +774,7 @@ F test/e_delete.test ab39084f26ae1f033c940b70ebdbbd523dc4962e
 F test/e_droptrigger.test 3cd080807622c13e5bbb61fc9a57bd7754da2412
 F test/e_dropview.test 21ce09c361227ddbc9819a5608ee2700c276bdd5
 F test/e_expr.test ca8896601ade1e27c6559614c7f32c63d44636fdfa720436a160f09b8bf66c89
-F test/e_fkey.test dcdc6ad26b1d4f07636208de4c1c22aae7c0597a685a6c10fe6da91f3191dd96
+F test/e_fkey.test 9778696ef9fceacebed8d482d02b47287981faaedf6f73db563ea8a7afb546da
 F test/e_fts3.test 8cf40550bb088a6aa187c818c00fabe26ef82900a4cd5c66b427ccafe28bedaa
 F test/e_insert.test f02f7f17852b2163732c6611d193f84fc67bc641fb4882c77a464076e5eba80e
 F test/e_reindex.test 2bebf7b393e519198b7c654407221cf171a439b8
@@ -1052,7 +1053,7 @@ F test/make-where7.tcl 05c16b5d4f5d6512881dfec560cb793915932ef9
 F test/malloc.test 18dd1c4188c81ca79cf123527c71b19ee0c31feb9947fdffb0dc6ceb1436816a
 F test/malloc3.test 6e88bae6312854a4adb4ecc2a6a5ea8c59b4db778b724ba718e1c43fc8c3c136
 F test/malloc4.test 957337613002b7058a85116493a262f679f3a261
-F test/malloc5.test f6eb6eca07a4c75f2897bf43a404689b6295bb95ab2e07d4b52eda743f925a27
+F test/malloc5.test 2e4ad7684a13389a44a840499cd47173a8d05f22f082d7d083eece433a7a64eb
 F test/malloc6.test 2f039d9821927eacae43e1831f815e157659a151
 F test/malloc7.test 7c68a32942858bc715284856c5507446bba88c3a
 F test/malloc8.test 9b7a3f8cb9cf0b12fff566e80a980b1767bd961d
@@ -1089,7 +1090,7 @@ F test/misc3.test cf3dda47d5dda3e53fc5804a100d3c82be736c9d
 F test/misc4.test 0d8be3466adf123a7791a66ba2bc8e8d229e87f3
 F test/misc5.test 60e1fc758a93cacd19eb2fafcd1d40d150a05047546c7a92389c98047d621901
 F test/misc6.test 953cc693924d88e6117aeba16f46f0bf5abede91
-F test/misc7.test 567e223b6497da2226a0340befaf2d663c91ad57a48aede21a35a984a2882d41
+F test/misc7.test 349855706310f0de6b91645d199f6874f518627fd057743fa4e3689b60d06efc
 F test/misc8.test 8fb0f31d7a8aed484d759773ab8ad12ec746a477f4a67394a4af0e677494c3ca
 F test/misuse.test 9e7f78402005e833af71dcab32d048003869eca5abcaccc985d4f8dc1d86bcc7
 F test/mjournal.test 9d86e697dcbc5da2c4e8caba9b176b5765fe65e80c88c278b8c09a917e436795
@@ -1130,7 +1131,7 @@ F test/orderby6.test 8b38138ab0972588240b3fca0985d2e400432859
 F test/orderby7.test 3d1383d52ade5b9eb3a173b3147fdd296f0202da
 F test/orderby8.test 23ef1a5d72bd3adcc2f65561c654295d1b8047bd
 F test/orderby9.test 87fb9548debcc2cd141c5299002dd94672fa76a3
-F test/oserror.test b32dc34f2363ef18532e3a0a7358e3e7e321974f
+F test/oserror.test e7b3416be4b9d5dd2fe0b42dd394daaddbb6c83eeec1f0e47b120b53e0ad3ace
 F test/ossfuzz.c c4c4547e2c92ac52f10038b073a03248251a23c1c559728f63a18aeca0e79f03
 F test/ossshell.c f125c5bd16e537a2549aa579b328dd1c59905e7ab1338dfc210e755bb7b69f17
 F test/ovfl.test 199c482696defceacee8c8e0e0ef36da62726b2f
@@ -1174,7 +1175,7 @@ F test/regexp1.test 497ea812f264d12b6198d6e50a76be4a1973a9d8
 F test/regexp2.test 40e894223b3d6672655481493f1be12012f2b33c
 F test/reindex.test 44edd3966b474468b823d481eafef0c305022254
 F test/releasetest.tcl 5f15ab8056799e9a6e26a310d49236d2e774d6a30d0ec74601e18d4ce146b79c x
-F test/resetdb.test 7fda92e443233208ec5e1825b176a9df63fb5bf962248e08b76eb4296c630cdf
+F test/resetdb.test 2107b34a8c437183f48eb833905df43818160a55f4ac69bbaf54f356fb2b27bd
 F test/resolver01.test f4022acafda7f4d40eca94dbf16bc5fc4ac30ceb
 F test/rollback.test 06680159bc6746d0f26276e339e3ae2f951c64812468308838e0a3362d911eaa
 F test/rollback2.test bc868d57899dc6972e2b4483faae0e03365a0556941474eec487ae21d8d38bb6
@@ -1667,7 +1668,7 @@ F tool/mkctimec.tcl dd183b73ae1c28249669741c250525f0407e579a70482371668fd5f130d9
 F tool/mkkeywordhash.c dd4d201d646dd4e236b93be17589e89a19b329a8840e559f91db3bdc361f3c39
 F tool/mkmsvcmin.tcl cad0c7b54d7dd92bc87d59f36d4cc4f070eb2e625f14159dc2f5c4204e6a13ea
 F tool/mkopcodec.tcl d1b6362bd3aa80d5520d4d6f3765badf01f6c43c
-F tool/mkopcodeh.tcl 4ee2a30ccbd900dc4d5cdb61bdab87cd2166cd2affcc78c9cc0b8d22a65b2eee
+F tool/mkopcodeh.tcl 17d1ccc05a926e19e3a9679ea3e4d1aaa15ba753e2fa7363e6e81c80e0ef8b86
 F tool/mkopts.tcl 680f785fdb09729fd9ac50632413da4eadbdf9071535e3f26d03795828ab07fa
 F tool/mkpragmatab.tcl 2144bc8550a6471a029db262a132d2df4b9e0db61b90398bf64f5b7b3f8d92cd
 F tool/mkshellc.tcl 1f45770aea226ac093a9c72f718efbb88a2a2833409ec2e1c4cecae4202626f5
@@ -1736,7 +1737,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 91c1cb7a217d0991a08256269f6c55ef185c25362d57b36bfbd2d85dab38e58f
-R d9cb5cee11e623ce77b17cfe98f4c40b
+P 76543f7dd3a2310f6e81a1bae17db9bb5d2cf10c1b87ed3f8394b3e75576078b 1ecb3aa13de5c8dc611b814ff34010de0bd90aae73d88aa37a59c4627be4cc2d
+R c606c1190461bb6eccc9b4b19cdd62a3
 U dan
-Z 45e866351077245724084f5b2a722161
+Z d3ed94ca8b2037743bfe63812e5ba0a9
diff --git a/manifest.uuid b/manifest.uuid
index b30c25d128..03836636d7 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-76543f7dd3a2310f6e81a1bae17db9bb5d2cf10c1b87ed3f8394b3e75576078b
\ No newline at end of file
+83d6416a868fac81a78c9507185a48d00920e4322276245e285946f760915f4a
\ No newline at end of file
diff --git a/src/auth.c b/src/auth.c
index 7d6f851d89..03e4cf9f54 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -150,6 +150,7 @@ void sqlite3AuthRead(
   int iDb;              /* The index of the database the expression refers to */
   int iCol;             /* Index of column in table */
 
+  assert( pExpr->op==TK_COLUMN || pExpr->op==TK_TRIGGER );
   if( db->xAuth==0 ) return;
   iDb = sqlite3SchemaToIndex(pParse->db, pSchema);
   if( iDb<0 ){
@@ -158,7 +159,6 @@ void sqlite3AuthRead(
     return;
   }
 
-  assert( pExpr->op==TK_COLUMN || pExpr->op==TK_TRIGGER );
   if( pExpr->op==TK_TRIGGER ){
     pTab = pParse->pTriggerTab;
   }else{
diff --git a/src/btree.c b/src/btree.c
index 316fa701d6..0971575dc3 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -864,7 +864,11 @@ static int btreeRestoreCursorPosition(BtCursor *pCur){
 ** back to where it ought to be if this routine returns true.
 */
 int sqlite3BtreeCursorHasMoved(BtCursor *pCur){
-  return pCur->eState!=CURSOR_VALID;
+  assert( EIGHT_BYTE_ALIGNMENT(pCur)
+       || pCur==sqlite3BtreeFakeValidCursor() );
+  assert( offsetof(BtCursor, eState)==0 );
+  assert( sizeof(pCur->eState)==1 );
+  return CURSOR_VALID != *(u8*)pCur;
 }
 
 /*
diff --git a/src/build.c b/src/build.c
index d0cb0062e1..3d982f72ea 100644
--- a/src/build.c
+++ b/src/build.c
@@ -2843,6 +2843,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){
   sqlite3OpenTable(pParse, iTab, iDb, pTab, OP_OpenRead);
   addr1 = sqlite3VdbeAddOp2(v, OP_Rewind, iTab, 0); VdbeCoverage(v);
   regRecord = sqlite3GetTempReg(pParse);
+  sqlite3MultiWrite(pParse);
 
   sqlite3GenerateIndexKey(pParse,pIndex,iTab,regRecord,0,&iPartIdxLabel,0,0);
   sqlite3VdbeAddOp2(v, OP_SorterInsert, iSorter, regRecord);
@@ -2856,12 +2857,13 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){
 
   addr1 = sqlite3VdbeAddOp2(v, OP_SorterSort, iSorter, 0); VdbeCoverage(v);
   if( IsUniqueIndex(pIndex) ){
-    int j2 = sqlite3VdbeCurrentAddr(v) + 3;
-    sqlite3VdbeGoto(v, j2);
+    int j2 = sqlite3VdbeGoto(v, 1);
     addr2 = sqlite3VdbeCurrentAddr(v);
+    sqlite3VdbeVerifyAbortable(v, OE_Abort);
     sqlite3VdbeAddOp4Int(v, OP_SorterCompare, iSorter, j2, regRecord,
                          pIndex->nKeyCol); VdbeCoverage(v);
     sqlite3UniqueConstraint(pParse, OE_Abort, pIndex);
+    sqlite3VdbeJumpHere(v, j2);
   }else{
     addr2 = sqlite3VdbeCurrentAddr(v);
   }
diff --git a/src/callback.c b/src/callback.c
index 0396df7a02..a629b6825e 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -406,10 +406,12 @@ FuncDef *sqlite3FindFunction(
   if( createFlag && bestScore<FUNC_PERFECT_MATCH && 
       (pBest = sqlite3DbMallocZero(db, sizeof(*pBest)+nName+1))!=0 ){
     FuncDef *pOther;
+    u8 *z;
     pBest->zName = (const char*)&pBest[1];
     pBest->nArg = (u16)nArg;
     pBest->funcFlags = enc;
     memcpy((char*)&pBest[1], zName, nName+1);
+    for(z=(u8*)pBest->zName; *z; z++) *z = sqlite3UpperToLower[*z];
     pOther = (FuncDef*)sqlite3HashInsert(&db->aFunc, pBest->zName, pBest);
     if( pOther==pBest ){
       sqlite3DbFree(db, pBest);
diff --git a/src/expr.c b/src/expr.c
index 81aa66f690..54e9ced006 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -4026,7 +4026,7 @@ expr_code_doover:
     case TK_COLLATE: 
     case TK_UPLUS: {
       pExpr = pExpr->pLeft;
-      goto expr_code_doover;
+      goto expr_code_doover; /* 2018-04-28: Prevent deep recursion. OSSFuzz. */
     }
 
     case TK_TRIGGER: {
diff --git a/src/fkey.c b/src/fkey.c
index c366c1b3aa..256b19db8a 100644
--- a/src/fkey.c
+++ b/src/fkey.c
@@ -331,6 +331,12 @@ static void fkLookupParent(
   int iCur = pParse->nTab - 1;              /* Cursor number to use */
   int iOk = sqlite3VdbeMakeLabel(v);        /* jump here if parent key found */
 
+  sqlite3VdbeVerifyAbortable(v,
+    (!pFKey->isDeferred
+      && !(pParse->db->flags & SQLITE_DeferFKs)
+      && !pParse->pToplevel 
+      && !pParse->isMultiWrite) ? OE_Abort : OE_Ignore);
+
   /* If nIncr is less than zero, then check at runtime if there are any
   ** outstanding constraints to resolve. If there are not, there is no need
   ** to check if deleting this row resolves any outstanding violations.
@@ -738,6 +744,7 @@ void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTab){
     ** constraints are violated.
     */
     if( (db->flags & SQLITE_DeferFKs)==0 ){
+      sqlite3VdbeVerifyAbortable(v, OE_Abort);
       sqlite3VdbeAddOp2(v, OP_FkIfZero, 0, sqlite3VdbeCurrentAddr(v)+2);
       VdbeCoverage(v);
       sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_FOREIGNKEY,
diff --git a/src/insert.c b/src/insert.c
index 76293c6018..3d51642834 100644
--- a/src/insert.c
+++ b/src/insert.c
@@ -1420,6 +1420,7 @@ void sqlite3GenerateConstraintChecks(
       Expr *pExpr = pCheck->a[i].pExpr;
       if( aiChng && checkConstraintUnchanged(pExpr, aiChng, pkChng) ) continue;
       allOk = sqlite3VdbeMakeLabel(v);
+      sqlite3VdbeVerifyAbortable(v, onError);
       sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL);
       if( onError==OE_Ignore ){
         sqlite3VdbeGoto(v, ignoreDest);
@@ -1529,6 +1530,7 @@ void sqlite3GenerateConstraintChecks(
     /* Check to see if the new rowid already exists in the table.  Skip
     ** the following conflict logic if it does not. */
     VdbeNoopComment((v, "uniqueness check for ROWID"));
+    sqlite3VdbeVerifyAbortable(v, onError);
     sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, addrRowidOk, regNewData);
     VdbeCoverage(v);
 
@@ -1741,6 +1743,7 @@ void sqlite3GenerateConstraintChecks(
 
     /* Check to see if the new index entry will be unique */
     sqlite3ExprCachePush(pParse);
+    sqlite3VdbeVerifyAbortable(v, onError);
     sqlite3VdbeAddOp4Int(v, OP_NoConflict, iThisCur, addrUniqueOk,
                          regIdx, pIdx->nKeyCol); VdbeCoverage(v);
 
@@ -1827,10 +1830,12 @@ void sqlite3GenerateConstraintChecks(
       default: {
         Trigger *pTrigger = 0;
         assert( onError==OE_Replace );
-        sqlite3MultiWrite(pParse);
         if( db->flags&SQLITE_RecTriggers ){
           pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0);
         }
+        if( pTrigger || sqlite3FkRequired(pParse, pTab, 0, 0) ){
+          sqlite3MultiWrite(pParse);
+        }
         sqlite3GenerateRowDelete(pParse, pTab, pTrigger, iDataCur, iIdxCur,
             regR, nPkField, 0, OE_Replace,
             (pIdx==pPk ? ONEPASS_SINGLE : ONEPASS_OFF), iThisCur);
@@ -2350,6 +2355,7 @@ static int xferOptimization(
     emptySrcTest = sqlite3VdbeAddOp2(v, OP_Rewind, iSrc, 0); VdbeCoverage(v);
     if( pDest->iPKey>=0 ){
       addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid);
+      sqlite3VdbeVerifyAbortable(v, onError);
       addr2 = sqlite3VdbeAddOp3(v, OP_NotExists, iDest, 0, regRowid);
       VdbeCoverage(v);
       sqlite3RowidConstraint(pParse, onError, pDest);
diff --git a/src/main.c b/src/main.c
index d23f9afcfa..8e89cc553a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1808,11 +1808,13 @@ int sqlite3_create_function_v2(
 #endif
   sqlite3_mutex_enter(db->mutex);
   if( xDestroy ){
-    pArg = (FuncDestructor *)sqlite3DbMallocZero(db, sizeof(FuncDestructor));
+    pArg = (FuncDestructor *)sqlite3Malloc(sizeof(FuncDestructor));
     if( !pArg ){
+      sqlite3OomFault(db);
       xDestroy(p);
       goto out;
     }
+    pArg->nRef = 0;
     pArg->xDestroy = xDestroy;
     pArg->pUserData = p;
   }
@@ -1820,7 +1822,7 @@ int sqlite3_create_function_v2(
   if( pArg && pArg->nRef==0 ){
     assert( rc!=SQLITE_OK );
     xDestroy(p);
-    sqlite3DbFree(db, pArg);
+    sqlite3_free(pArg);
   }
 
  out:
@@ -1858,6 +1860,28 @@ int sqlite3_create_function16(
 #endif
 
 
+/*
+** The following is the implementation of an SQL function that always
+** fails with an error message stating that the function is used in the
+** wrong context.  The sqlite3_overload_function() API might construct
+** SQL function that use this routine so that the functions will exist
+** for name resolution but are actually overloaded by the xFindFunction
+** method of virtual tables.
+*/
+static void sqlite3InvalidFunction(
+  sqlite3_context *context,  /* The function calling context */
+  int NotUsed,               /* Number of arguments to the function */
+  sqlite3_value **NotUsed2   /* Value of each argument */
+){
+  const char *zName = (const char*)sqlite3_user_data(context);
+  char *zErr;
+  UNUSED_PARAMETER2(NotUsed, NotUsed2);
+  zErr = sqlite3_mprintf(
+      "unable to use function %s in the requested context", zName);
+  sqlite3_result_error(context, zErr, -1);
+  sqlite3_free(zErr);
+}
+
 /*
 ** Declare that a function has been overloaded by a virtual table.
 **
@@ -1875,7 +1899,8 @@ int sqlite3_overload_function(
   const char *zName,
   int nArg
 ){
-  int rc = SQLITE_OK;
+  int rc;
+  char *zCopy;
 
 #ifdef SQLITE_ENABLE_API_ARMOR
   if( !sqlite3SafetyCheckOk(db) || zName==0 || nArg<-2 ){
@@ -1883,13 +1908,13 @@ int sqlite3_overload_function(
   }
 #endif
   sqlite3_mutex_enter(db->mutex);
-  if( sqlite3FindFunction(db, zName, nArg, SQLITE_UTF8, 0)==0 ){
-    rc = sqlite3CreateFunc(db, zName, nArg, SQLITE_UTF8,
-                           0, sqlite3InvalidFunction, 0, 0, 0);
-  }
-  rc = sqlite3ApiExit(db, rc);
+  rc = sqlite3FindFunction(db, zName, nArg, SQLITE_UTF8, 0)!=0;
   sqlite3_mutex_leave(db->mutex);
-  return rc;
+  if( rc ) return SQLITE_OK;
+  zCopy = sqlite3_mprintf(zName);
+  if( zCopy==0 ) return SQLITE_NOMEM;
+  return sqlite3_create_function_v2(db, zName, nArg, SQLITE_UTF8,
+                           zCopy, sqlite3InvalidFunction, 0, 0, sqlite3_free);
 }
 
 #ifndef SQLITE_OMIT_TRACE
diff --git a/src/os_unix.c b/src/os_unix.c
index 2b9c117e30..0dd461da0a 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3779,7 +3779,7 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){
       do{
         err = osFallocate(pFile->h, buf.st_size, nSize-buf.st_size);
       }while( err==EINTR );
-      if( err ) return SQLITE_IOERR_WRITE;
+      if( err && err!=EINVAL ) return SQLITE_IOERR_WRITE;
 #else
       /* If the OS does not have posix_fallocate(), fake it. Write a 
       ** single byte to the last byte in each block that falls entirely
diff --git a/src/parse.y b/src/parse.y
index a997ea4010..e52991d670 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -469,6 +469,7 @@ cmd ::= select(X).  {
   }
 }
 
+%ifndef SQLITE_OMIT_CTE
 select(A) ::= WITH wqlist(W) selectnowith(X). {
   Select *p = X;
   if( p ){
@@ -489,6 +490,7 @@ select(A) ::= WITH RECURSIVE wqlist(W) selectnowith(X). {
   }
   A = p;
 }
+%endif /* SQLITE_OMIT_CTE */
 select(A) ::= selectnowith(X). {
   Select *p = X;
   if( p ){
diff --git a/src/printf.c b/src/printf.c
index d412e5ee20..71296ac907 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -974,7 +974,7 @@ char *sqlite3StrAccumFinish(StrAccum *p){
 ** an SQLITE_NOMEM error.
 */
 static sqlite3_str sqlite3OomStr = {
-   0, 0, 0, 0, 0, SQLITE_NOMEM
+   0, 0, 0, 0, 0, SQLITE_NOMEM, 0
 };
 
 /* Finalize a string created using sqlite3_str_new().
diff --git a/src/resolve.c b/src/resolve.c
index 84baf01ab7..47f22a9718 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -75,29 +75,31 @@ static void resolveAlias(
   assert( pOrig!=0 );
   db = pParse->db;
   pDup = sqlite3ExprDup(db, pOrig, 0);
-  if( pDup==0 ) return;
-  if( zType[0]!='G' ) incrAggFunctionDepth(pDup, nSubquery);
-  if( pExpr->op==TK_COLLATE ){
-    pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
-  }
-  ExprSetProperty(pDup, EP_Alias);
+  if( pDup!=0 ){
+    if( zType[0]!='G' ) incrAggFunctionDepth(pDup, nSubquery);
+    if( pExpr->op==TK_COLLATE ){
+      pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
+    }
+    ExprSetProperty(pDup, EP_Alias);
 
-  /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This 
-  ** prevents ExprDelete() from deleting the Expr structure itself,
-  ** allowing it to be repopulated by the memcpy() on the following line.
-  ** The pExpr->u.zToken might point into memory that will be freed by the
-  ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to
-  ** make a copy of the token before doing the sqlite3DbFree().
-  */
-  ExprSetProperty(pExpr, EP_Static);
-  sqlite3ExprDelete(db, pExpr);
-  memcpy(pExpr, pDup, sizeof(*pExpr));
-  if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
-    assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
-    pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
-    pExpr->flags |= EP_MemToken;
+    /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This 
+    ** prevents ExprDelete() from deleting the Expr structure itself,
+    ** allowing it to be repopulated by the memcpy() on the following line.
+    ** The pExpr->u.zToken might point into memory that will be freed by the
+    ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to
+    ** make a copy of the token before doing the sqlite3DbFree().
+    */
+    ExprSetProperty(pExpr, EP_Static);
+    sqlite3ExprDelete(db, pExpr);
+    memcpy(pExpr, pDup, sizeof(*pExpr));
+    if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
+      assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
+      pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
+      pExpr->flags |= EP_MemToken;
+    }
+    sqlite3DbFree(db, pDup);
   }
-  sqlite3DbFree(db, pDup);
+  ExprSetProperty(pExpr, EP_Alias);
 }
 
 
@@ -349,6 +351,7 @@ static int lookupName(
             testcase( iCol==(-1) );
             pExpr->iTable = pNC->uNC.pUpsert->regData + iCol;
             eNewExprOp = TK_REGISTER;
+            ExprSetProperty(pExpr, EP_Alias);
           }else
 #endif /* SQLITE_OMIT_UPSERT */
           {
diff --git a/src/select.c b/src/select.c
index d255aaa7a3..cf1034bb6b 100644
--- a/src/select.c
+++ b/src/select.c
@@ -810,7 +810,7 @@ static void selectExprDefer(
     if( pItem->u.x.iOrderByCol==0 ){
       Expr *pExpr = pItem->pExpr;
       Table *pTab = pExpr->pTab;
-      if( pExpr->op==TK_COLUMN && pTab && !IsVirtual(pTab)
+      if( pExpr->op==TK_COLUMN && pExpr->iColumn>=0 && pTab && !IsVirtual(pTab)
        && (pTab->aCol[pExpr->iColumn].colFlags & COLFLAG_SORTERREF)
       ){
         int j;
diff --git a/src/shell.c.in b/src/shell.c.in
index e7cc36f477..b9d7cecbc7 100644
--- a/src/shell.c.in
+++ b/src/shell.c.in
@@ -8243,7 +8243,7 @@ static void usage(int showDetail){
 */
 static void verify_uninitialized(void){
   if( sqlite3_config(-1)==SQLITE_MISUSE ){
-    utf8_printf(stdout, "WARNING: attempt to configuration SQLite after"
+    utf8_printf(stdout, "WARNING: attempt to configure SQLite after"
                         " initialization.\n");
   }
 }
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index db2619ef57..3d2effa5b7 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -6294,6 +6294,10 @@ struct sqlite3_index_info {
 
 /*
 ** CAPI3REF: Virtual Table Scan Flags
+**
+** Virtual table implementations are allowed to set the 
+** [sqlite3_index_info].idxFlags field to some combination of
+** these bits.
 */
 #define SQLITE_INDEX_SCAN_UNIQUE      1     /* Scan visits at most 1 row */
 
@@ -9034,7 +9038,7 @@ SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const char *zDb);
 ** been a prior call to [sqlite3_deserialize(D,S,...)] with the same
 ** values of D and S.
 ** The size of the database is written into *P even if the 
-** SQLITE_SERIALIZE_NOCOPY bit is set but no contigious copy
+** SQLITE_SERIALIZE_NOCOPY bit is set but no contiguous copy
 ** of the database exists.
 **
 ** A call to sqlite3_serialize(D,S,P,F) might return NULL even if the
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 5826342de8..e3c3c17ca2 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -4225,6 +4225,7 @@ int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *,
   void (*)(sqlite3_context*,int,sqlite3_value **), void (*)(sqlite3_context*),
   FuncDestructor *pDestructor
 );
+void sqlite3NoopDestructor(void*);
 void sqlite3OomFault(sqlite3*);
 void sqlite3OomClear(sqlite3*);
 int sqlite3ApiExit(sqlite3 *db, int);
@@ -4327,7 +4328,6 @@ int sqlite3VtabCallConnect(Parse*, Table*);
 int sqlite3VtabCallDestroy(sqlite3*, int, const char *);
 int sqlite3VtabBegin(sqlite3 *, VTable *);
 FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*);
-void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);
 sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context*);
 int sqlite3VdbeParameterIndex(Vdbe*, const char*, int);
 int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *);
diff --git a/src/upsert.c b/src/upsert.c
index 764957ebb5..31a905dd6c 100644
--- a/src/upsert.c
+++ b/src/upsert.c
@@ -229,6 +229,7 @@ void sqlite3UpsertDoUpdate(
         VdbeComment((v, "%s.%s", pIdx->zName,
                     pTab->aCol[pPk->aiColumn[i]].zName));
       }
+      sqlite3VdbeVerifyAbortable(v, OE_Abort);
       i = sqlite3VdbeAddOp4Int(v, OP_Found, iDataCur, 0, iPk, nPk);
       VdbeCoverage(v);
       sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_CORRUPT, OE_Abort, 0, 
diff --git a/src/vdbe.c b/src/vdbe.c
index c2111b46fd..ef5c0a1639 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -915,6 +915,9 @@ case OP_Yield: {            /* in1, jump */
 */
 case OP_HaltIfNull: {      /* in3 */
   pIn3 = &aMem[pOp->p3];
+#ifdef SQLITE_DEBUG
+  if( pOp->p2==OE_Abort ){ sqlite3VdbeAssertAbortable(p); }
+#endif
   if( (pIn3->flags & MEM_Null)==0 ) break;
   /* Fall through into OP_Halt */
 }
@@ -954,6 +957,9 @@ case OP_Halt: {
   int pcx;
 
   pcx = (int)(pOp - aOp);
+#ifdef SQLITE_DEBUG
+  if( pOp->p2==OE_Abort ){ sqlite3VdbeAssertAbortable(p); }
+#endif
   if( pOp->p1==SQLITE_OK && p->pFrame ){
     /* Halt the sub-program. Return control to the parent frame. */
     pFrame = p->pFrame;
@@ -3324,6 +3330,8 @@ case OP_ReadCookie: {               /* out2 */
 */
 case OP_SetCookie: {
   Db *pDb;
+
+  sqlite3VdbeIncrWriteCounter(p, 0);
   assert( pOp->p2<SQLITE_N_BTREE_META );
   assert( pOp->p1>=0 && pOp->p1<db->nDb );
   assert( DbMaskTest(p->btreeMask, pOp->p1) );
@@ -4457,6 +4465,7 @@ case OP_InsertInt: {
   assert( (pOp->p5 & OPFLAG_ISNOOP) || pC->isTable );
   assert( pOp->p4type==P4_TABLE || pOp->p4type>=P4_STATIC );
   REGISTER_TRACE(pOp->p2, pData);
+  sqlite3VdbeIncrWriteCounter(p, pC);
 
   if( pOp->opcode==OP_Insert ){
     pKey = &aMem[pOp->p3];
@@ -4571,6 +4580,7 @@ case OP_Delete: {
   assert( pC->eCurType==CURTYPE_BTREE );
   assert( pC->uc.pCursor!=0 );
   assert( pC->deferredMoveto==0 );
+  sqlite3VdbeIncrWriteCounter(p, pC);
 
 #ifdef SQLITE_DEBUG
   if( pOp->p4type==P4_TABLE && HasRowid(pOp->p4.pTab) && pOp->p5==0 ){
@@ -4739,10 +4749,10 @@ case OP_SorterData: {
 ** If the P1 cursor must be pointing to a valid row (not a NULL row)
 ** of a real table, not a pseudo-table.
 **
-** If P3!=0 then this opcode is allowed to make an ephermeral pointer
+** If P3!=0 then this opcode is allowed to make an ephemeral pointer
 ** into the database page.  That means that the content of the output
 ** register will be invalidated as soon as the cursor moves - including
-** moves caused by other cursors that "save" the the current cursors
+** moves caused by other cursors that "save" the current cursors
 ** position in order that they can write to the same table.  If P3==0
 ** then a copy of the data is made into memory.  P3!=0 is faster, but
 ** P3==0 is safer.
@@ -5190,6 +5200,7 @@ case OP_IdxInsert: {        /* in2 */
 
   assert( pOp->p1>=0 && pOp->p1<p->nCursor );
   pC = p->apCsr[pOp->p1];
+  sqlite3VdbeIncrWriteCounter(p, pC);
   assert( pC!=0 );
   assert( isSorter(pC)==(pOp->opcode==OP_SorterInsert) );
   pIn2 = &aMem[pOp->p2];
@@ -5236,6 +5247,7 @@ case OP_IdxDelete: {
   pC = p->apCsr[pOp->p1];
   assert( pC!=0 );
   assert( pC->eCurType==CURTYPE_BTREE );
+  sqlite3VdbeIncrWriteCounter(p, pC);
   pCrsr = pC->uc.pCursor;
   assert( pCrsr!=0 );
   assert( pOp->p5==0 );
@@ -5458,6 +5470,7 @@ case OP_Destroy: {     /* out2 */
   int iMoved;
   int iDb;
 
+  sqlite3VdbeIncrWriteCounter(p, 0);
   assert( p->readOnly==0 );
   assert( pOp->p1>1 );
   pOut = out2Prerelease(p, pOp);
@@ -5507,6 +5520,7 @@ case OP_Destroy: {     /* out2 */
 case OP_Clear: {
   int nChange;
  
+  sqlite3VdbeIncrWriteCounter(p, 0);
   nChange = 0;
   assert( p->readOnly==0 );
   assert( DbMaskTest(p->btreeMask, pOp->p2) );
@@ -5556,13 +5570,14 @@ case OP_ResetSorter: {
 ** Allocate a new b-tree in the main database file if P1==0 or in the
 ** TEMP database file if P1==1 or in an attached database if
 ** P1>1.  The P3 argument must be 1 (BTREE_INTKEY) for a rowid table
-** it must be 2 (BTREE_BLOBKEY) for a index or WITHOUT ROWID table.
+** it must be 2 (BTREE_BLOBKEY) for an index or WITHOUT ROWID table.
 ** The root page number of the new b-tree is stored in register P2.
 */
 case OP_CreateBtree: {          /* out2 */
   int pgno;
   Db *pDb;
 
+  sqlite3VdbeIncrWriteCounter(p, 0);
   pOut = out2Prerelease(p, pOp);
   pgno = 0;
   assert( pOp->p3==BTREE_INTKEY || pOp->p3==BTREE_BLOBKEY );
@@ -5582,6 +5597,7 @@ case OP_CreateBtree: {          /* out2 */
 ** Run the SQL statement or statements specified in the P4 string.
 */
 case OP_SqlExec: {
+  sqlite3VdbeIncrWriteCounter(p, 0);
   db->nSqlExec++;
   rc = sqlite3_exec(db, pOp->p4.z, 0, 0, 0);
   db->nSqlExec--;
@@ -5671,6 +5687,7 @@ case OP_LoadAnalysis: {
 ** schema consistent with what is on disk.
 */
 case OP_DropTable: {
+  sqlite3VdbeIncrWriteCounter(p, 0);
   sqlite3UnlinkAndDeleteTable(db, pOp->p1, pOp->p4.z);
   break;
 }
@@ -5684,6 +5701,7 @@ case OP_DropTable: {
 ** schema consistent with what is on disk.
 */
 case OP_DropIndex: {
+  sqlite3VdbeIncrWriteCounter(p, 0);
   sqlite3UnlinkAndDeleteIndex(db, pOp->p1, pOp->p4.z);
   break;
 }
@@ -5697,6 +5715,7 @@ case OP_DropIndex: {
 ** schema consistent with what is on disk.
 */
 case OP_DropTrigger: {
+  sqlite3VdbeIncrWriteCounter(p, 0);
   sqlite3UnlinkAndDeleteTrigger(db, pOp->p1, pOp->p4.z);
   break;
 }
@@ -6911,6 +6930,7 @@ case OP_VUpdate: {
        || pOp->p5==OE_Abort || pOp->p5==OE_Ignore || pOp->p5==OE_Replace
   );
   assert( p->readOnly==0 );
+  sqlite3VdbeIncrWriteCounter(p, 0);
   pVtab = pOp->p4.pVtab->pVtab;
   if( pVtab==0 || NEVER(pVtab->pModule==0) ){
     rc = SQLITE_LOCKED;
@@ -7228,6 +7248,22 @@ case OP_CursorHint: {
 }
 #endif /* SQLITE_ENABLE_CURSOR_HINTS */
 
+#ifdef SQLITE_DEBUG
+/* Opcode:  Abortable   * * * * *
+**
+** Verify that an Abort can happen.  Assert if an Abort at this point
+** might cause database corruption.  This opcode only appears in debugging
+** builds.
+**
+** An Abort is safe if either there have been no writes, or if there is
+** an active statement journal.
+*/
+case OP_Abortable: {
+  sqlite3VdbeAssertAbortable(p);
+  break;
+}
+#endif
+
 /* Opcode: Noop * * * * *
 **
 ** Do nothing.  This instruction is often useful as a jump
@@ -7239,8 +7275,9 @@ case OP_CursorHint: {
 ** This opcode records information from the optimizer.  It is the
 ** the same as a no-op.  This opcodesnever appears in a real VM program.
 */
-default: {          /* This is really OP_Noop and OP_Explain */
+default: {          /* This is really OP_Noop, OP_Explain */
   assert( pOp->opcode==OP_Noop || pOp->opcode==OP_Explain );
+
   break;
 }
 
diff --git a/src/vdbe.h b/src/vdbe.h
index 3177570a01..51bbdf96cc 100644
--- a/src/vdbe.h
+++ b/src/vdbe.h
@@ -197,6 +197,11 @@ void sqlite3VdbeEndCoroutine(Vdbe*,int);
 # define sqlite3VdbeVerifyNoMallocRequired(A,B)
 # define sqlite3VdbeVerifyNoResultRow(A)
 #endif
+#if defined(SQLITE_DEBUG)
+  void sqlite3VdbeVerifyAbortable(Vdbe *p, int);
+#else
+# define sqlite3VdbeVerifyAbortable(A,B)
+#endif
 VdbeOp *sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp,int iLineno);
 #ifndef SQLITE_OMIT_EXPLAIN
   void sqlite3VdbeExplain(Parse*,u8,const char*,...);
diff --git a/src/vdbeInt.h b/src/vdbeInt.h
index 24d6bf91d3..aaa9356822 100644
--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@@ -379,6 +379,7 @@ struct Vdbe {
   int nOp;                /* Number of instructions in the program */
 #ifdef SQLITE_DEBUG
   int rcApp;              /* errcode set by sqlite3_result_error_code() */
+  u32 nWrite;             /* Number of write operations that have occurred */
 #endif
   u16 nResColumn;         /* Number of columns in one row of the result set */
   u8 errorAction;         /* Recovery action to do in case of an error */
@@ -515,6 +516,14 @@ int sqlite3VdbeSorterRewind(const VdbeCursor *, int *);
 int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *);
 int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *);
 
+#ifdef SQLITE_DEBUG
+  void sqlite3VdbeIncrWriteCounter(Vdbe*, VdbeCursor*);
+  void sqlite3VdbeAssertAbortable(Vdbe*);
+#else
+# define sqlite3VdbeIncrWriteCounter(V,C)
+# define sqlite3VdbeAssertAbortable(V)
+#endif
+
 #if !defined(SQLITE_OMIT_SHARED_CACHE) 
   void sqlite3VdbeEnter(Vdbe*);
 #else
diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index 2a6e1f8f0e..ced3e90144 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -787,28 +787,6 @@ sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context *p){
   return *piTime;
 }
 
-/*
-** The following is the implementation of an SQL function that always
-** fails with an error message stating that the function is used in the
-** wrong context.  The sqlite3_overload_function() API might construct
-** SQL function that use this routine so that the functions will exist
-** for name resolution but are actually overloaded by the xFindFunction
-** method of virtual tables.
-*/
-void sqlite3InvalidFunction(
-  sqlite3_context *context,  /* The function calling context */
-  int NotUsed,               /* Number of arguments to the function */
-  sqlite3_value **NotUsed2   /* Value of each argument */
-){
-  const char *zName = context->pFunc->zName;
-  char *zErr;
-  UNUSED_PARAMETER2(NotUsed, NotUsed2);
-  zErr = sqlite3_mprintf(
-      "unable to use function %s in the requested context", zName);
-  sqlite3_result_error(context, zErr, -1);
-  sqlite3_free(zErr);
-}
-
 /*
 ** Create a new aggregate context for p and return a pointer to
 ** its pMem->z element.
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 4b07647519..38ef85f0ec 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -603,6 +603,32 @@ int sqlite3VdbeAssertMayAbort(Vdbe *v, int mayAbort){
 }
 #endif /* SQLITE_DEBUG - the sqlite3AssertMayAbort() function */
 
+#ifdef SQLITE_DEBUG
+/*
+** Increment the nWrite counter in the VDBE if the cursor is not an
+** ephemeral cursor, or if the cursor argument is NULL.
+*/
+void sqlite3VdbeIncrWriteCounter(Vdbe *p, VdbeCursor *pC){
+  if( pC==0
+   || (pC->eCurType!=CURTYPE_SORTER
+       && pC->eCurType!=CURTYPE_PSEUDO
+       && !pC->isEphemeral)
+  ){
+    p->nWrite++;
+  }
+}
+#endif
+
+#ifdef SQLITE_DEBUG
+/*
+** Assert if an Abort at this point in time might result in a corrupt
+** database.
+*/
+void sqlite3VdbeAssertAbortable(Vdbe *p){
+  assert( p->nWrite==0 || p->usesStmtJournal );
+}
+#endif
+
 /*
 ** This routine is called after all opcodes have been inserted.  It loops
 ** through all the opcodes and fixes up some details.
@@ -762,6 +788,17 @@ void sqlite3VdbeVerifyNoResultRow(Vdbe *p){
 }
 #endif
 
+/*
+** Generate code (a single OP_Abortable opcode) that will
+** verify that the VDBE program can safely call Abort in the current
+** context.
+*/
+#if defined(SQLITE_DEBUG)
+void sqlite3VdbeVerifyAbortable(Vdbe *p, int onError){
+  if( onError==OE_Abort ) sqlite3VdbeAddOp0(p, OP_Abortable);
+}
+#endif
+
 /*
 ** This function returns a pointer to the array of opcodes associated with
 ** the Vdbe passed as the first argument. It is the callers responsibility
@@ -2995,6 +3032,9 @@ int sqlite3VdbeReset(Vdbe *p){
   sqlite3DbFree(db, p->zErrMsg);
   p->zErrMsg = 0;
   p->pResultSet = 0;
+#ifdef SQLITE_DEBUG
+  p->nWrite = 0;
+#endif
 
   /* Save profiling information from this VDBE run.
   */
diff --git a/src/vdbemem.c b/src/vdbemem.c
index a64ed09633..c3e376d796 100644
--- a/src/vdbemem.c
+++ b/src/vdbemem.c
@@ -817,7 +817,7 @@ void sqlite3VdbeMemSetInt64(Mem *pMem, i64 val){
 }
 
 /* A no-op destructor */
-static void sqlite3NoopDestructor(void *p){ UNUSED_PARAMETER(p); }
+void sqlite3NoopDestructor(void *p){ UNUSED_PARAMETER(p); }
 
 /*
 ** Set the value stored in *pMem should already be a NULL.
diff --git a/src/vtab.c b/src/vtab.c
index bc1fa3e8cc..7894bbc8b8 100644
--- a/src/vtab.c
+++ b/src/vtab.c
@@ -1049,9 +1049,6 @@ FuncDef *sqlite3VtabOverloadFunction(
   void *pArg = 0;
   FuncDef *pNew;
   int rc = 0;
-  char *zLowerName;
-  unsigned char *z;
-
 
   /* Check to see the left operand is a column in a virtual table */
   if( NEVER(pExpr==0) ) return pDef;
@@ -1066,16 +1063,22 @@ FuncDef *sqlite3VtabOverloadFunction(
   if( pMod->xFindFunction==0 ) return pDef;
  
   /* Call the xFindFunction method on the virtual table implementation
-  ** to see if the implementation wants to overload this function 
+  ** to see if the implementation wants to overload this function.
+  **
+  ** Though undocumented, we have historically always invoked xFindFunction
+  ** with an all lower-case function name.  Continue in this tradition to
+  ** avoid any chance of an incompatibility.
   */
-  zLowerName = sqlite3DbStrDup(db, pDef->zName);
-  if( zLowerName ){
-    for(z=(unsigned char*)zLowerName; *z; z++){
-      *z = sqlite3UpperToLower[*z];
+#ifdef SQLITE_DEBUG
+  {
+    int i;
+    for(i=0; pDef->zName[i]; i++){
+      unsigned char x = (unsigned char)pDef->zName[i];
+      assert( x==sqlite3UpperToLower[x] );
     }
-    rc = pMod->xFindFunction(pVtab, nArg, zLowerName, &xSFunc, &pArg);
-    sqlite3DbFree(db, zLowerName);
   }
+#endif
+  rc = pMod->xFindFunction(pVtab, nArg, pDef->zName, &xSFunc, &pArg);
   if( rc==0 ){
     return pDef;
   }
diff --git a/test/autoinc.test b/test/autoinc.test
index 0ce09b223c..75b16daa10 100644
--- a/test/autoinc.test
+++ b/test/autoinc.test
@@ -25,6 +25,11 @@ ifcapable {!autoinc} {
   return
 }
 
+if {[permutation]=="inmemory_journal"} {
+  finish_test
+  return
+}
+
 sqlite3_db_config_lookaside db 0 0 0
 
 # The database is initially empty.
@@ -730,6 +735,11 @@ do_test autoinc-12.2 {
   }} msg]
   lappend res $msg
 } {1 {database disk image is malformed}}
+ifcapable vtab {
+  set err "database disk image is malformed"
+} else {
+  set err {malformed database schema (sqlite_sequence) - near "VIRTUAL": syntax error}
+}
 do_test autoinc-12.3 {
   db close
   forcedelete test.db
@@ -748,7 +758,7 @@ do_test autoinc-12.3 {
     INSERT INTO t1(b) VALUES('two');
   }} msg]
   lappend res $msg
-} {1 {database disk image is malformed}}
+} [list 1 $err]
 do_test autoinc-12.4 {
   db close
   forcedelete test.db
diff --git a/test/csv01.test b/test/csv01.test
index e8bafbd151..f30f7ac9df 100644
--- a/test/csv01.test
+++ b/test/csv01.test
@@ -148,4 +148,13 @@ do_catchsql_test 4.3 {
   USING csv(filename='FileDoesNotExist.csv');
 } {1 {cannot open 'FileDoesNotExist.csv' for reading}}
 
+# 2018-06-02
+# Problem with single-column CSV support reported on the mailing list
+# by Trent W. Buck.
+#
+do_execsql_test 4.4 {
+  CREATE VIRTUAL TABLE temp.trent USING csv(data='1');
+  SELECT * FROM trent;
+} {1}
+
 finish_test
diff --git a/test/e_fkey.test b/test/e_fkey.test
index 33e7fed6de..740078c191 100644
--- a/test/e_fkey.test
+++ b/test/e_fkey.test
@@ -24,7 +24,24 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
-proc eqp {sql {db db}} { uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db }
+proc eqp {sql {db db}} { 
+  uplevel [subst -nocommands {
+    set eqpres [list]
+    $db eval "$sql" {
+      lappend eqpres [set detail]
+    }
+    set eqpres
+  }]
+}
+
+proc do_detail_test {tn sql res} {
+  set normalres [list {*}$res]
+  uplevel [subst -nocommands {
+    do_test $tn {
+      eqp { $sql }
+    } {$normalres}
+  }]
+}
 
 ###########################################################################
 ### SECTION 2: Enabling Foreign Key Support
@@ -970,20 +987,20 @@ do_test e_fkey-25.1 {
     );
   }
 } {}
-do_execsql_test e_fkey-25.2 {
+do_detail_test e_fkey-25.2 {
   PRAGMA foreign_keys = OFF;
   EXPLAIN QUERY PLAN DELETE FROM artist WHERE 1;
   EXPLAIN QUERY PLAN SELECT rowid FROM track WHERE trackartist = ?;
 } {
-  0 0 0 {SCAN TABLE artist} 
-  0 0 0 {SCAN TABLE track}
+  {SCAN TABLE artist} 
+  {SCAN TABLE track}
 }
-do_execsql_test e_fkey-25.3 {
+do_detail_test e_fkey-25.3 {
   PRAGMA foreign_keys = ON;
   EXPLAIN QUERY PLAN DELETE FROM artist WHERE 1;
 } {
-  0 0 0 {SCAN TABLE artist} 
-  0 0 0 {SCAN TABLE track}
+  {SCAN TABLE artist} 
+  {SCAN TABLE track}
 }
 do_test e_fkey-25.4 {
   execsql {
@@ -1097,21 +1114,20 @@ do_test e_fkey-27.1 {
 do_test e_fkey-27.2 {
   eqp { INSERT INTO artist VALUES(?, ?) }
 } {}
-do_execsql_test e_fkey-27.3 {
+do_detail_test e_fkey-27.3 {
   EXPLAIN QUERY PLAN UPDATE artist SET artistid = ?, artistname = ?
 } {
-  0 0 0 {SCAN TABLE artist} 
-  0 0 0 {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)} 
-  0 0 0 {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)}
+  {SCAN TABLE artist} 
+  {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)} 
+  {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)}
 }
-do_execsql_test e_fkey-27.4 {
+do_detail_test e_fkey-27.4 {
   EXPLAIN QUERY PLAN DELETE FROM artist
 } {
-  0 0 0 {SCAN TABLE artist} 
-  0 0 0 {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)}
+  {SCAN TABLE artist} 
+  {SEARCH TABLE track USING COVERING INDEX trackindex (trackartist=?)}
 }
 
-
 ###########################################################################
 ### SECTION 4.1: Composite Foreign Key Constraints
 ###########################################################################
diff --git a/test/malloc5.test b/test/malloc5.test
index bbc9432164..906ac89834 100644
--- a/test/malloc5.test
+++ b/test/malloc5.test
@@ -174,8 +174,11 @@ do_test malloc5-2.2 {
   execsql {
     COMMIT;
   }
-  list $nRelease $data
-} [list $pgalloc [list 1 2 3 4 5 6]]
+  value_in_range $::pgalloc $::mrange $nRelease
+} [value_in_range $::pgalloc $::mrange]
+do_test malloc5-2.2.1 {
+  set data
+} {1 2 3 4 5 6}
 
 do_test malloc5-3.1 {
   # Simple test to show that if two pagers are opened from within this
diff --git a/test/misc7.test b/test/misc7.test
index 8df95575c1..93e107beb0 100644
--- a/test/misc7.test
+++ b/test/misc7.test
@@ -270,22 +270,27 @@ forcedelete test.db-journal
 sqlite3 db test.db
 
 ifcapable explain {
-  do_execsql_test misc7-14.1 {
+  do_execsql_test misc7-14.0 {
     CREATE TABLE abc(a PRIMARY KEY, b, c);
-    EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid = 1;
+  }
+  do_eqp_test misc7-14.1 {
+    SELECT * FROM abc AS t2 WHERE rowid = 1;
   } {
-    0 0 0 {SEARCH TABLE abc AS t2 USING INTEGER PRIMARY KEY (rowid=?)}
-  }
-  do_execsql_test misc7-14.2 {
-    EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE a = 1;
-  } {0 0 0 
-     {SEARCH TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1 (a=?)}
-  }
-  do_execsql_test misc7-14.3 {
-    EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 ORDER BY a;
-  } {0 0 0 
-     {SCAN TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1}
-  }
+  QUERY PLAN
+  `--SEARCH TABLE abc AS t2 USING INTEGER PRIMARY KEY (rowid=?)
+}
+  do_eqp_test misc7-14.2 {
+    SELECT * FROM abc AS t2 WHERE a = 1;
+} {
+  QUERY PLAN
+  `--SEARCH TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1 (a=?)
+}
+  do_eqp_test misc7-14.3 {
+    SELECT * FROM abc AS t2 ORDER BY a;
+  } {
+  QUERY PLAN
+  `--SCAN TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1
+}
 }
 
 db close
diff --git a/test/oserror.test b/test/oserror.test
index 246a9d4023..271163aaad 100644
--- a/test/oserror.test
+++ b/test/oserror.test
@@ -55,11 +55,11 @@ if {![clang_sanitize_address]} {
   do_test 1.1.1 {
     set ::log [list]
     list [catch {
-      for {set i 0} {$i < 2000} {incr i} { sqlite3 dbh_$i test.db -readonly 1 }
+      for {set i 0} {$i < 20000} {incr i} { sqlite3 dbh_$i test.db -readonly 1 }
     } msg] $msg
   } {1 {unable to open database file}}
   do_test 1.1.2 {
-    catch { for {set i 0} {$i < 2000} {incr i} { dbh_$i close } }
+    catch { for {set i 0} {$i < 20000} {incr i} { dbh_$i close } }
   } {1}
   do_re_test 1.1.3 { 
     lindex $::log 0 
diff --git a/test/resetdb.test b/test/resetdb.test
index 05e456a8d0..38428ba1fe 100644
--- a/test/resetdb.test
+++ b/test/resetdb.test
@@ -15,13 +15,30 @@ set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 set testprefix resetdb
 
+do_not_use_codec
+
 ifcapable !vtab||!compound {
   finish_test
   return
 }
 
+# In the "inmemory_journal" permutation, each new connection executes 
+# "PRAGMA journal_mode = memory". This fails with SQLITE_BUSY if attempted
+# on a wal mode database with existing connections. For this and a few
+# other reasons, this test is not run as part of "inmemory_journal".
+#
+# Permutation "journaltest" does not support wal mode.
+#
+if {[permutation]=="inmemory_journal"
+ || [permutation]=="journaltest"
+} {
+  finish_test
+  return
+}
+
 # Create a sample database
 do_execsql_test 100 {
+  PRAGMA auto_vacuum = 0;
   PRAGMA page_size=4096;
   CREATE TABLE t1(a,b);
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
@@ -82,6 +99,7 @@ db2 close
 forcedelete test.db
 sqlite3 db test.db
 do_execsql_test 300 {
+  PRAGMA auto_vacuum = 0;
   PRAGMA page_size=8192;
   PRAGMA journal_mode=WAL;
   CREATE TABLE t1(a,b);
@@ -118,6 +136,8 @@ do_test 330 {
   } db2
 } {1 {file is not a database}}
 
+db2 cache flush         ;# Required by permutation "prepare".
+
 # Reset the database yet again.  Verify that the page size and
 # journal mode are preserved.
 #
diff --git a/tool/mkopcodeh.tcl b/tool/mkopcodeh.tcl
index a12d1901ee..b9e55fa243 100644
--- a/tool/mkopcodeh.tcl
+++ b/tool/mkopcodeh.tcl
@@ -75,6 +75,7 @@ while {![eof $in]} {
   if {[regexp {^case OP_} $line]} {
     set line [split $line]
     set name [string trim [lindex $line 1] :]
+    if {$name=="OP_Abortable"} continue;  # put OP_Abortable last 
     set op($name) -1
     set jump($name) 0
     set in1($name) 0
@@ -113,7 +114,7 @@ while {![eof $in]} {
 #
 puts "/* Automatically generated.  Do not edit */"
 puts "/* See the tool/mkopcodeh.tcl script for details */"
-foreach name {OP_Noop OP_Explain} {
+foreach name {OP_Noop OP_Explain OP_Abortable} {
   set jump($name) 0
   set in1($name) 0
   set in2($name) 0