Make sure the source of a PULL opcode is not an ephemeral string. Ticket #360. (CVS 1031)

FossilOrigin-Name: cb70ee67ea9f5a47d58820e0e8b28c8f945217ed

manifest

@@ -1,5 +1,5 @@
-C Remove\sunused\svariable.\s\sTicket\s#355.\s(CVS\s1030)
-D 2003-06-17T02:57:18
+C Make\ssure\sthe\ssource\sof\sa\sPULL\sopcode\sis\snot\san\sephemeral\sstring.\s\sTicket\s#360.\s(CVS\s1031)
+D 2003-06-22T01:41:49
 F Makefile.in 9ad23ed4ca97f9670c4496432e3fbd4b3760ebde
 F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -59,7 +59,7 @@ F src/trigger.c 6ff205aaac4869e402d9902e528e1d22a85de14c
 F src/update.c 24260b4fda00c9726d27699a0561d53c0dccc397
 F src/util.c 566c7780170dd11fb1ad5de3ba81f0dfea7cccf0
 F src/vacuum.c 0820984615786c9ccdaad8032a792309b354a8eb
-F src/vdbe.c b0118814124785cf9244f3cf7f389681ad46adac
+F src/vdbe.c fba0a1d25b7dac26c3cf3c10f6e8fde352a386ee
 F src/vdbe.h 985c24f312d10f9ef8f9a8b8ea62fcdf68e82f21
 F src/where.c 1e645d430cb4b347159c28c6085e9801160f2099
 F test/all.test 569a92a8ee88f5300c057cc4a8f50fbbc69a3242
@@ -96,6 +96,7 @@ F test/memdb.test cd4580f466f34c42354612a375c5adb90447e4c4
 F test/memleak.test a18e6810cae96d2f6f5136920267adbefc8e1e90
 F test/minmax.test b54ac3bc45460a4976b08ef363e05c032418726e
 F test/misc1.test c7dc2f2bd702d8283e885a64ec0714be26cfb051
+F test/misc2.test afbb0678792654e7495d580e227f36999f6eb20d
 F test/misuse.test a3aa2b18a97e4c409a1fcaff5151a4dd804a0162
 F test/notnull.test 7a08117a71e74b0321aaa937dbeb41a09d6eb1d0
 F test/null.test 5c2b57307e4b6178aae825eb65ddbee01e76b0fd
@@ -165,7 +166,7 @@ F www/speed.tcl 296cc5632d069b56d3ef5409ca0df90f486c10fb
 F www/sqlite.tcl 4bd1729e320f5fa9125f0022b281fbe839192125
 F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
 F www/vdbe.tcl 14fdcc7fe8a60a6ba8584903636db8dc37eef26a
-P 6920b633c2e4a94ee5de7d2db3933a873ee3513b
-R 2461ecf1634ca64718874d80a89b0476
+P 5228cecdb84a665b96750fc0dc7c81e3f50a3ce8
+R 6835d350ce41ce4896b7c87869ba5677
 U drh
-Z 77374d9cfdfe95b412a1c7d387e72705
+Z 1759307f03632cff767f18d3563cf6b3

manifest.uuid

@@ -1 +1 @@
-5228cecdb84a665b96750fc0dc7c81e3f50a3ce8
+cb70ee67ea9f5a47d58820e0e8b28c8f945217ed

src/vdbe.c

@@ -36,7 +36,7 @@
 ** 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 1.228 2003/06/15 23:42:24 drh Exp $
+** $Id: vdbe.c,v 1.229 2003/06/22 01:41:49 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -979,6 +979,7 @@ static int hardDeephem(Vdbe *p, int i){
   if( z==0 ) return 1;
   memcpy(z, *pzStack, pStack->n);
   *pzStack = z;
+  pStack->flags &= !STK_Ephem;
   return 0;
 }
 
@@ -1835,6 +1836,7 @@ case OP_Pull: {
   Stack ts;
   char *tz;
   VERIFY( if( from<0 ) goto not_enough_stack; )
+  Deephemeralize(p, from);
   ts = aStack[from];
   tz = zStack[from];
   Deephemeralize(p, to);

test/misc2.test

@@ -0,0 +1,32 @@
+# 2003 June 21
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests for miscellanous features that were
+# left out of other test files.
+#
+# $Id: misc2.test,v 1.1 2003/06/22 01:41:50 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Test for ticket #360
+#
+do_test misc2-1.1 {
+  catchsql {
+    CREATE TABLE FOO(bar integer);
+    CREATE TRIGGER foo_insert BEFORE INSERT ON foo BEGIN
+      SELECT CASE WHEN (NOT new.bar BETWEEN 0 AND 20)
+             THEN raise(rollback, 'aiieee') END;
+    END;
+    INSERT INTO foo(bar) VALUES (1);
+  }
+} {1 aiieee}