From 746fd9cc58a2ef95812fafed8a35f18b87b77418 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Tue, 28 Sep 2010 06:00:47 +0000
Subject: [PATCH] Tweaks to help facilitate structural test coverage.

FossilOrigin-Name: ff49a5f00b3aa83bdacc95a32d60527c740a6c09
---
 manifest      | 20 ++++++++++----------
 manifest.uuid |  2 +-
 src/expr.c    |  5 +++--
 src/vdbe.c    |  2 ++
 4 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/manifest b/manifest
index 5c4b667a9d..e4b90e41b2 100644
--- a/manifest
+++ b/manifest
@@ -1,8 +1,8 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 
-C Test\scase\sand\sfix\sfor\sthe\sspecific\sfailure\sof\sticket\s[b351d95f9cd5ef17e9d9dbae].
-D 2010-09-28T04:14:04
+C Tweaks\sto\shelp\sfacilitate\sstructural\stest\scoverage.
+D 2010-09-28T06:00:48
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in c599a15d268b1db2aeadea19df2adc3bf2eb6bee
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -130,7 +130,7 @@ F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
 F src/ctime.c 4f3aadad62c6c9f0d4e5a96718516ac4e3c598df
 F src/date.c 5dd8448a0bfea8d31fb14cff487d0c06ff8c8b20
 F src/delete.c 7ed8a8c8b5f748ece92df173d7e0f7810c899ebd
-F src/expr.c 7b45c50fc28df4d97db66900f1f9f04cf6db956d
+F src/expr.c 0525659674b59a642a1a185490ed228cc131fd28
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c 17950a28f28b23e8ad3feaac5fc88c324d2f600a
 F src/func.c caa6c5134106d95cced4db80ce3fdcdde4f6c8d4
@@ -228,7 +228,7 @@ F src/update.c 227e6cd512108b84f69421fc6c7aa1b83d60d6e0
 F src/utf.c 1baeeac91707a4df97ccc6141ec0f808278af685
 F src/util.c 5f5f4db4e799224713582bb49124827b16aa8e54
 F src/vacuum.c 924bd1bcee2dfb05376f79845bd3b4cec7b54b2f
-F src/vdbe.c 56e4697a5f5f0fa874c5e4279e3debf2ed2cd4c8
+F src/vdbe.c 4b1e4b893918228fad23cb0560246de5f2150bb0
 F src/vdbe.h 4de0efb4b0fdaaa900cf419b35c458933ef1c6d2
 F src/vdbeInt.h 7f4cf1b2b69bef3a432b1f23dfebef57275436b4
 F src/vdbeapi.c 14040ffad59a9961468a457754d30266e71ebb2d
@@ -871,14 +871,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P a5eefd5239bf5b4f9d0bdfb312f5b33c0a196178
-R 36856028231c92221c652d29d4159436
+P 57789cfe674dbbd4d5e4663774d1e7c541f7bdc4
+R 679596ccadeda6ed8832f202f65719f1
 U drh
-Z f0e3dfbf24a2c49fc97160b41987fc03
+Z 3ce026c9389fd73dbbccea39f7a202c7
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.6 (GNU/Linux)
 
-iD8DBQFMoWuSoxKgR168RlERAnDOAJwOLuUj1ayfQejwg1yHNLdmppbBugCfYcmv
-yrg5uSJhrvomshkiSCVsgBk=
-=6EL+
+iD8DBQFMoYSWoxKgR168RlERAky+AJ4ilSIIiHEcqFHusNFadoalL6dzUACfTnbZ
+2+TJRjFJzBkiiYYbyCm9hxM=
+=S4YP
 -----END PGP SIGNATURE-----
diff --git a/manifest.uuid b/manifest.uuid
index 817917faff..5322e2c44d 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-57789cfe674dbbd4d5e4663774d1e7c541f7bdc4
\ No newline at end of file
+ff49a5f00b3aa83bdacc95a32d60527c740a6c09
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index 956938ae25..ec59f6d638 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -3052,12 +3052,13 @@ int sqlite3ExprCodeExprList(
   int i, n;
   assert( pList!=0 );
   assert( target>0 );
+  assert( pParse->pVdbe || pParse->db->mallocFailed );
+  if( pParse->pVdbe==0 ) return 0;
   n = pList->nExpr;
   for(pItem=pList->a, i=0; i<n; i++, pItem++){
     Expr *pExpr = pItem->pExpr;
     int inReg = sqlite3ExprCodeTarget(pParse, pExpr, target+i);
-    assert( pParse->pVdbe || pParse->db->mallocFailed );
-    if( inReg!=target+i && pParse->pVdbe ){
+    if( inReg!=target+i ){
       sqlite3VdbeAddOp2(pParse->pVdbe, doHardCopy ? OP_Copy : OP_SCopy,
                         inReg, target+i);
     }
diff --git a/src/vdbe.c b/src/vdbe.c
index ce01fe3f08..c024c1ce28 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -1143,6 +1143,8 @@ case OP_ResultRow: {
   for(i=0; i<pOp->p2; i++){
     assert( memIsValid(&pMem[i]) );
     Deephemeralize(&pMem[i]);
+    assert( (pMem[i].flags & MEM_Ephem)==0
+            || (pMem[i].flags & (MEM_Str|MEM_Blob))==0 );
     sqlite3VdbeMemNulTerminate(&pMem[i]);
     sqlite3VdbeMemStoreType(&pMem[i]);
     REGISTER_TRACE(pOp->p1+i, &pMem[i]);
-- 
2.47.2