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@@ -0,0 +1,187 @@
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+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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+From: drh <>
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+Date: Wed, 20 Jul 2022 17:01:18 +0000
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+Subject: Simplify the logic that converts the "1" expression in "ORDER BY 1"
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+ into a copy of the expression that defines the first output column.
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+
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+FossilOrigin-Name: 449935914c3f64e37bbfb9842e868927222fa3d5315c123a32818e67fcfbbf60
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+
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+diff --git a/amalgamation/sqlite3.c b/amalgamation/sqlite3.c
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+index f8e53e4064d43192e6e1b6846573b37bf16c2279..c7f9ddb45fe5b8ec29b37406308df66797a2d7b7 100644
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+--- a/amalgamation/sqlite3.c
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++++ b/amalgamation/sqlite3.c
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+@@ -454,7 +454,7 @@ extern "C" {
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+ */
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+ #define SQLITE_VERSION "3.37.1"
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+ #define SQLITE_VERSION_NUMBER 3037001
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+-#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dea62"
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++#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dalt1"
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+
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+ /*
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+ ** CAPI3REF: Run-Time Library Version Numbers
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+@@ -99649,33 +99649,23 @@ static void resolveAlias(
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+ sqlite3ExprDelete(db, pDup);
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+ pDup = 0;
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+ }else{
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++ Expr temp;
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+ incrAggFunctionDepth(pDup, nSubquery);
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+ if( pExpr->op==TK_COLLATE ){
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+ assert( !ExprHasProperty(pExpr, EP_IntValue) );
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+ pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
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+ }
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+-
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+- /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This
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+- ** prevents ExprDelete() from deleting the Expr structure itself,
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+- ** allowing it to be repopulated by the memcpy() on the following line.
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+- ** The pExpr->u.zToken might point into memory that will be freed by the
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+- ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to
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+- ** make a copy of the token before doing the sqlite3DbFree().
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+- */
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+- ExprSetProperty(pExpr, EP_Static);
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+- sqlite3ExprDelete(db, pExpr);
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+- memcpy(pExpr, pDup, sizeof(*pExpr));
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+- if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
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+- assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
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+- pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
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+- pExpr->flags |= EP_MemToken;
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+- }
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++ memcpy(&temp, pDup, sizeof(Expr));
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++ memcpy(pDup, pExpr, sizeof(Expr));
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++ memcpy(pExpr, &temp, sizeof(Expr));
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+ if( ExprHasProperty(pExpr, EP_WinFunc) ){
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+ if( ALWAYS(pExpr->y.pWin!=0) ){
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+ pExpr->y.pWin->pOwner = pExpr;
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+ }
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+ }
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+- sqlite3DbFree(db, pDup);
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++ sqlite3ParserAddCleanup(pParse,
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++ (void(*)(sqlite3*,void*))sqlite3ExprDelete,
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++ pDup);
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+ }
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+ }
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+
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+diff --git a/amalgamation/sqlite3.h b/amalgamation/sqlite3.h
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+index 393e9d206cb4e7962f1e6b09bafe1637e5767e77..c3a73ace49206544a7595baca0e684eb428d1214 100644
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+--- a/amalgamation/sqlite3.h
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++++ b/amalgamation/sqlite3.h
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+@@ -148,7 +148,7 @@ extern "C" {
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+ */
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+ #define SQLITE_VERSION "3.37.1"
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+ #define SQLITE_VERSION_NUMBER 3037001
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+-#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dea62"
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++#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dalt1"
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+
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+ /*
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+ ** CAPI3REF: Run-Time Library Version Numbers
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+diff --git a/amalgamation_dev/sqlite3.c b/amalgamation_dev/sqlite3.c
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+index fba450a7346115aee428cf42afc58f27d473523e..b5c0c9e93abe5c16af86b8a4444b35c6880b2ba7 100644
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+--- a/amalgamation_dev/sqlite3.c
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++++ b/amalgamation_dev/sqlite3.c
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+@@ -454,7 +454,7 @@ extern "C" {
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+ */
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+ #define SQLITE_VERSION "3.37.1"
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+ #define SQLITE_VERSION_NUMBER 3037001
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+-#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dea62"
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++#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dalt1"
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+
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+ /*
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+ ** CAPI3REF: Run-Time Library Version Numbers
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+@@ -99662,33 +99662,23 @@ static void resolveAlias(
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+ sqlite3ExprDelete(db, pDup);
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+ pDup = 0;
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+ }else{
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++ Expr temp;
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+ incrAggFunctionDepth(pDup, nSubquery);
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+ if( pExpr->op==TK_COLLATE ){
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+ assert( !ExprHasProperty(pExpr, EP_IntValue) );
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+ pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
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+ }
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+-
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+- /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This
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+- ** prevents ExprDelete() from deleting the Expr structure itself,
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+- ** allowing it to be repopulated by the memcpy() on the following line.
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+- ** The pExpr->u.zToken might point into memory that will be freed by the
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+- ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to
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+- ** make a copy of the token before doing the sqlite3DbFree().
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+- */
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+- ExprSetProperty(pExpr, EP_Static);
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+- sqlite3ExprDelete(db, pExpr);
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+- memcpy(pExpr, pDup, sizeof(*pExpr));
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+- if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
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+- assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
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+- pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
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+- pExpr->flags |= EP_MemToken;
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+- }
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++ memcpy(&temp, pDup, sizeof(Expr));
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++ memcpy(pDup, pExpr, sizeof(Expr));
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++ memcpy(pExpr, &temp, sizeof(Expr));
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+ if( ExprHasProperty(pExpr, EP_WinFunc) ){
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+ if( ALWAYS(pExpr->y.pWin!=0) ){
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+ pExpr->y.pWin->pOwner = pExpr;
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+ }
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+ }
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+- sqlite3DbFree(db, pDup);
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++ sqlite3ParserAddCleanup(pParse,
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++ (void(*)(sqlite3*,void*))sqlite3ExprDelete,
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++ pDup);
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+ }
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+ }
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+
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+diff --git a/amalgamation_dev/sqlite3.h b/amalgamation_dev/sqlite3.h
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+index 393e9d206cb4e7962f1e6b09bafe1637e5767e77..c3a73ace49206544a7595baca0e684eb428d1214 100644
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+--- a/amalgamation_dev/sqlite3.h
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++++ b/amalgamation_dev/sqlite3.h
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+@@ -148,7 +148,7 @@ extern "C" {
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+ */
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+ #define SQLITE_VERSION "3.37.1"
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+ #define SQLITE_VERSION_NUMBER 3037001
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+-#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dea62"
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++#define SQLITE_SOURCE_ID "2021-12-30 15:30:28 378629bf2ea546f73eee84063c5358439a12f7300e433f18c9e1bddd948dalt1"
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+
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+ /*
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+ ** CAPI3REF: Run-Time Library Version Numbers
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+diff --git a/src/resolve.c b/src/resolve.c
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+index 27b260e059fc4536051e0b514a04a700145b2553..8052be3003d7cbcd496ccdacc761d66be2b3cbe4 100644
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+--- a/src/resolve.c
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++++ b/src/resolve.c
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+@@ -85,33 +85,23 @@ static void resolveAlias(
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+ sqlite3ExprDelete(db, pDup);
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+ pDup = 0;
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+ }else{
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++ Expr temp;
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+ incrAggFunctionDepth(pDup, nSubquery);
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+ if( pExpr->op==TK_COLLATE ){
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+ assert( !ExprHasProperty(pExpr, EP_IntValue) );
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+ pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
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+ }
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+-
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+- /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This
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+- ** prevents ExprDelete() from deleting the Expr structure itself,
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+- ** allowing it to be repopulated by the memcpy() on the following line.
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+- ** The pExpr->u.zToken might point into memory that will be freed by the
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+- ** sqlite3DbFree(db, pDup) on the last line of this block, so be sure to
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+- ** make a copy of the token before doing the sqlite3DbFree().
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+- */
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+- ExprSetProperty(pExpr, EP_Static);
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+- sqlite3ExprDelete(db, pExpr);
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+- memcpy(pExpr, pDup, sizeof(*pExpr));
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+- if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
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+- assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
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+- pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
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+- pExpr->flags |= EP_MemToken;
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+- }
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++ memcpy(&temp, pDup, sizeof(Expr));
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++ memcpy(pDup, pExpr, sizeof(Expr));
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++ memcpy(pExpr, &temp, sizeof(Expr));
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+ if( ExprHasProperty(pExpr, EP_WinFunc) ){
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+ if( ALWAYS(pExpr->y.pWin!=0) ){
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+ pExpr->y.pWin->pOwner = pExpr;
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+ }
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+ }
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+- sqlite3DbFree(db, pDup);
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++ sqlite3ParserAddCleanup(pParse,
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++ (void(*)(sqlite3*,void*))sqlite3ExprDelete,
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++ pDup);
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+ }
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+ }
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+
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