From: drh <drh@noemail.net>
Date: Fri, 7 Dec 2012 21:02:47 +0000 (+0000)
Subject: Fix the processing of ORDER BY clauses with COLLATE terms on compound
X-Git-Tag: version-3.7.15~7^2~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bd13d34b08ddc66a079f671bcbe96127b41da957;p=thirdparty%2Fsqlite.git

Fix the processing of ORDER BY clauses with COLLATE terms on compound
queries.  52 veryquick test failures remain.

FossilOrigin-Name: 49654453ad157693414c1f86fa3afa0918acffd4
---

diff --git a/manifest b/manifest
index 34721bdbc1..dae7f8ea53 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Many\smore\stests\sare\spassing.\s\sOnly\sabout\s100\sfailures\sremain\sin\sveryquick.
-D 2012-12-07T20:31:11.446
+C Fix\sthe\sprocessing\sof\sORDER\sBY\sclauses\swith\sCOLLATE\sterms\son\scompound\nqueries.\s\s52\sveryquick\stest\sfailures\sremain.
+D 2012-12-07T21:02:47.824
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 690d441a758cbffd13e814dc2724a721a6ebd400
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -172,7 +172,7 @@ F src/pragma.c 015723c48072781d2740e310ab04dc92956b76d1
 F src/prepare.c 931ad0d852a0df48f79adcba6ce79ca5f475625c
 F src/printf.c 4a9f882f1c1787a8b494a2987765acf9d97ac21f
 F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
-F src/resolve.c fd2206ae5c324d9539b97d402b7a957afac78307
+F src/resolve.c 34168dc9c5e7b388d0ce209dac16069263ae7ed7
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
 F src/select.c eb3ded8d6ffcbab20dc3e65ba6a6dc13a01e7fbf
 F src/shell.c e392dd1ccbb77cc1d75a8367a89b473c24bea019
@@ -1025,7 +1025,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P 972443b4eb282d45507da06c75e2cd46dd72326b
-R addb1e849abbd533b321eb7c1f86638b
+P f9fa7581c0371fe0feb4e97487741ade18595810
+R ffd541783cdf83fbb00a5f595a07c0f7
 U drh
-Z f47e0ce4e032364f0db26315f2eb73bb
+Z c3f0cf345664d8221c8b35557e376692
diff --git a/manifest.uuid b/manifest.uuid
index f24da198dd..88849058bd 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f9fa7581c0371fe0feb4e97487741ade18595810
\ No newline at end of file
+49654453ad157693414c1f86fa3afa0918acffd4
\ No newline at end of file
diff --git a/src/resolve.c b/src/resolve.c
index 6e5e2e7a9a..4b9d8fa145 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -129,6 +129,9 @@ static void resolveAlias(
   /* 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);
@@ -824,7 +827,7 @@ static int resolveCompoundOrderBy(
       int iCol = -1;
       Expr *pE, *pDup;
       if( pItem->done ) continue;
-      pE = pItem->pExpr;
+      pE = sqlite3ExprSkipCollate(pItem->pExpr);
       if( sqlite3ExprIsInteger(pE, &iCol) ){
         if( iCol<=0 || iCol>pEList->nExpr ){
           resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr);
@@ -842,11 +845,20 @@ static int resolveCompoundOrderBy(
         }
       }
       if( iCol>0 ){
+        /* Convert the ORDER BY term into an integer column number iCol,
+        ** taking care to preserve the COLLATE clause if it exists */
+        Expr *pNew = sqlite3Expr(db, TK_INTEGER, 0);
+        if( pNew==0 ) return 1;
+        pNew->flags |= EP_IntValue;
+        pNew->u.iValue = iCol;
+        if( pItem->pExpr==pE ){
+          pItem->pExpr = pNew;
+        }else{
+          assert( pItem->pExpr->op==TK_COLLATE );
+          assert( pItem->pExpr->pLeft==pE );
+          pItem->pExpr->pLeft = pNew;
+        }
         sqlite3ExprDelete(db, pE);
-        pItem->pExpr = pE = sqlite3Expr(db, TK_INTEGER, 0);
-        if( pE==0 ) return 1;
-        pE->flags |= EP_IntValue;
-        pE->u.iValue = iCol;
         pItem->iOrderByCol = (u16)iCol;
         pItem->done = 1;
       }else{