Do not reuse function parameters in subsequent expressions since the

function call might have triggered a text encoding change.
Fix for ticket [2ea2425d34be].

FossilOrigin-Name: f22e388727f0ba0f187cdee51ff8ba17a5d50b8a

manifest

@@ -1,8 +1,8 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 
-C Documentation\supdates\sfor\sthe\sversion\sinfo\s#defines\sand\sC\sinterfaces.
-D 2009-09-02T19:04:24
+C Do\snot\sreuse\sfunction\sparameters\sin\ssubsequent\sexpressions\ssince\sthe\s\nfunction\scall\smight\shave\striggered\sa\stext\sencoding\schange.\nFix\sfor\sticket\s[2ea2425d34be].
+D 2009-09-03T01:18:01
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 73ddeec9dd10b85876c5c2ce1fdce627e1dcc7f8
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -117,7 +117,7 @@ F src/callback.c 9bc0ae998f15207d3115224979331c0aafc9bcc3
 F src/complete.c 5ad5c6cd4548211867c204c41a126d73a9fbcea0
 F src/date.c ab5f7137656652a48434d64f96bdcdc823bb23b3
 F src/delete.c 6b95963dabd558d45385e9b5be1fb4aa7ba7fa62
-F src/expr.c cadf65591f130e052aaa9718e19ec019b7cb598e
+F src/expr.c 2605f0f161442e3153e0c41e987525260e9ad306
 F src/fault.c dc88c821842157460750d2d61a8a8b4197d047ff
 F src/func.c e536218d193b8d326aab91120bc4c6f28aa2b606
 F src/global.c 271952d199a8cc59d4ce840b3bbbfd2f30c8ba32
@@ -584,6 +584,7 @@ F test/thread2.test 91f105374f18a66e73a3254c28fe7c77af69bdea
 F test/thread_common.tcl b65e6b1d1d90dc885e10ad080896c6c56eef0819
 F test/threadtest1.c 6029d9c5567db28e6dc908a0c63099c3ba6c383b
 F test/threadtest2.c ace893054fa134af3fc8d6e7cfecddb8e3acefb9
+F test/tkt-2ea2425d34.test 1cf13e6f75d149b3209a0cb32927a82d3d79fb28
 F test/tkt1435.test f8c52c41de6e5ca02f1845f3a46e18e25cadac00
 F test/tkt1443.test bacc311da5c96a227bf8c167e77a30c99f8e8368
 F test/tkt1444.test a9d72f9e942708bd82dde6c707da61c489e213e9
@@ -752,14 +753,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P 5ac69ed608affb4104b4665560a3a490ea5af217
-R 10566af31b0374c7038626dfeef64758
+P 69055e9b4cb6346e9e10fd9dd65e6ea06b959e76
+R 7bf564b16edb1681dea7652f8bb4c7d7
 U drh
-Z 7f6492299f8121487dfc1f6dbb36f12d
+Z 7cf4ebdc1da81063254cac877fefb993
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manifest.uuid

@@ -1 +1 @@
-69055e9b4cb6346e9e10fd9dd65e6ea06b959e76
+f22e388727f0ba0f187cdee51ff8ba17a5d50b8a

src/expr.c

@@ -2371,7 +2371,9 @@ int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){
       }
       if( pFarg ){
         r1 = sqlite3GetTempRange(pParse, nFarg);
+        sqlite3ExprCachePush(pParse);     /* Ticket 2ea2425d34be */
         sqlite3ExprCodeExprList(pParse, pFarg, r1, 1);
+        sqlite3ExprCachePop(pParse, 1);   /* Ticket 2ea2425d34be */
       }else{
         r1 = 0;
       }

test/tkt-2ea2425d34.test

@@ -0,0 +1,31 @@
+# 2009 September 2
+#
+# 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 to verify that ticket [2ea2425d34be] has been
+# fixed.  
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt-2ea24-1.1 {
+  db eval {
+    PRAGMA encoding=UTF16;
+    CREATE TABLE t1(a,b);
+    INSERT INTO t1 VALUES(1,'abc');
+    INSERT INTO t1 VALUES(2,'def');
+    INSERT INTO t1 VALUES(3,'ghi');
+    SELECT a FROM t1 WHERE length(b)<10 AND b<>'def' ORDER BY a;
+  }
+} {1 3}
+
+finish_test