Always make sure WhereClause objects are initialized to zero when they

are first allocated. (CVS 6073)

FossilOrigin-Name: 7d0ae55d6b2d263382f034eb89bbc368fab6a9bc

manifest

@@ -1,5 +1,5 @@
-C Add\stest\sfile\swhere8.test.\s(CVS\s6072)
-D 2008-12-29T18:33:33
+C Always\smake\ssure\sWhereClause\sobjects\sare\sinitialized\sto\szero\swhen\sthey\nare\sfirst\sallocated.\s(CVS\s6073)
+D 2008-12-29T23:45:07
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 77635d0909c2067cee03889a1e04ce910d8fb809
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -207,7 +207,7 @@ F src/vdbeblob.c b0dcebfafedcf9c0addc7901ad98f6f986c08935
 F src/vdbemem.c f9c859ac17e2e05a0f249868ce4f191f69edd31d
 F src/vtab.c e39e011d7443a8d574b1b9cde207a35522e6df43
 F src/walker.c 488c2660e13224ff70c0c82761118efb547f8f0d
-F src/where.c 90b1fa8ad8b27b3e80f380bb745d38f500e37566
+F src/where.c d0f422dd1a72a59484af77433412af53da63c78a
 F tclinstaller.tcl 4356d9d94d2b5ed5e68f9f0c80c4df3048dd7617
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
 F test/alias.test 597662c5d777a122f9a3df0047ea5c5bd383a911
@@ -687,7 +687,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 0b972f14f00340cbd4e310dea6d1a4f1c05f5628
-R 618248255cc0db65a1e451c19324ecc5
-U danielk1977
-Z ebf06715c02d5bd51f7609b7ab009886
+P bff460ec2c3e250de034a6b34312b897bb2f3749
+R afbea31e7a0f278c532ea02b4a243218
+U drh
+Z 376ed48aa5f636301a1d1f6a2a793394

manifest.uuid

@@ -1 +1 @@
-bff460ec2c3e250de034a6b34312b897bb2f3749
+7d0ae55d6b2d263382f034eb89bbc368fab6a9bc

src/where.c

@@ -16,7 +16,7 @@
 ** so is applicable.  Because this module is responsible for selecting
 ** indices, you might also think of this module as the "query optimizer".
 **
-** $Id: where.c,v 1.349 2008/12/29 18:33:33 danielk1977 Exp $
+** $Id: where.c,v 1.350 2008/12/29 23:45:07 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -819,7 +819,7 @@ static void exprAnalyzeOrTerm(
   */
   assert( (pTerm->wtFlags & (TERM_DYNAMIC|TERM_ORINFO|TERM_ANDINFO))==0 );
   assert( pExpr->op==TK_OR );
-  pTerm->u.pOrInfo = pOrInfo = sqlite3DbMallocRaw(db, sizeof(*pOrInfo));
+  pTerm->u.pOrInfo = pOrInfo = sqlite3DbMallocZero(db, sizeof(*pOrInfo));
   if( pOrInfo==0 ) return;
   pTerm->wtFlags |= TERM_ORINFO;
   pOrWc = &pOrInfo->wc;