18173 SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr);
93533 SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr){  argument
93535     assert( (pWalker->u.aMem[pExpr->iTable].flags & MEM_Undefined)==0 );
110244 static int walkWindowList(Walker *pWalker, Window *pList, int bOneOnly){  argument
110248     rc = sqlite3WalkExprList(pWalker, pWin->pOrderBy);
110250     rc = sqlite3WalkExprList(pWalker, pWin->pPartition);
110252     rc = sqlite3WalkExpr(pWalker, pWin->pFilter);
110254     rc = sqlite3WalkExpr(pWalker, pWin->pStart);
110256     rc = sqlite3WalkExpr(pWalker, pWin->pEnd);
110283 SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3WalkExprNN(Walker *pWalker, Expr *pExpr){  argument
110288     rc = pWalker->xExprCallback(pWalker, pExpr);
110292       if( pExpr->pLeft && sqlite3WalkExprNN(pWalker, pExpr->pLeft) ){
110301         if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort;
110304           if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort;
110308           if( walkWindowList(pWalker, pExpr->y.pWin, 1) ) return WRC_Abort;
110317 SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){  argument
110318   return pExpr ? sqlite3WalkExprNN(pWalker,pExpr) : WRC_Continue;
110325 SQLITE_PRIVATE int sqlite3WalkExprList(Walker *pWalker, ExprList *p){  argument
110330       if( sqlite3WalkExpr(pWalker, pItem->pExpr) ) return WRC_Abort;
110340 SQLITE_PRIVATE void sqlite3WalkWinDefnDummyCallback(Walker *pWalker, Select *p){  argument
110341   UNUSED_PARAMETER(pWalker);
110352 SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker *pWalker, Select *p){  argument
110353   if( sqlite3WalkExprList(pWalker, p->pEList) ) return WRC_Abort;
110354   if( sqlite3WalkExpr(pWalker, p->pWhere) ) return WRC_Abort;
110355   if( sqlite3WalkExprList(pWalker, p->pGroupBy) ) return WRC_Abort;
110356   if( sqlite3WalkExpr(pWalker, p->pHaving) ) return WRC_Abort;
110357   if( sqlite3WalkExprList(pWalker, p->pOrderBy) ) return WRC_Abort;
110358   if( sqlite3WalkExpr(pWalker, p->pLimit) ) return WRC_Abort;
110362     if( pWalker->xSelectCallback2==sqlite3WalkWinDefnDummyCallback
110363      || ((pParse = pWalker->pParse)!=0 && IN_RENAME_OBJECT)
110365      || pWalker->xSelectCallback2==sqlite3SelectPopWith
110370       int rc = walkWindowList(pWalker, p->pWinDefn, 0);
110385 SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){  argument
110394        && sqlite3WalkSelect(pWalker, pItem->u4.pSubq->pSelect)
110399        && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg)
110425 SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){  argument
110428   if( pWalker->xSelectCallback==0 ) return WRC_Continue;
110430     rc = pWalker->xSelectCallback(pWalker, p);
110432     if( sqlite3WalkSelectExpr(pWalker, p)
110433      || sqlite3WalkSelectFrom(pWalker, p)
110437     if( pWalker->xSelectCallback2 ){
110438       pWalker->xSelectCallback2(pWalker, p);
110448 SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){  argument
110450   pWalker->walkerDepth++;
110453 SQLITE_PRIVATE void sqlite3WalkerDepthDecrease(Walker *pWalker, Select *pSelect){  argument
110455   pWalker->walkerDepth--;
110518 static int incrAggDepth(Walker *pWalker, Expr *pExpr){  argument
110519   if( pExpr->op==TK_AGG_FUNCTION ) pExpr->op2 += pWalker->u.n;
111460 static int resolveExprStep(Walker *pWalker, Expr *pExpr){  argument
111464   pNC = pWalker->u.pNC;
111467   assert( pParse==pWalker->pParse );
111534       sqlite3WalkExpr(pWalker, pExpr->pLeft);
111807       sqlite3WalkExprList(pWalker, pList);
111812           sqlite3WalkExprList(pWalker, pExpr->pLeft->x.pList);
111822           sqlite3WalkExprList(pWalker, pWin->pPartition);
111823           sqlite3WalkExprList(pWalker, pWin->pOrderBy);
111824           sqlite3WalkExpr(pWalker, pWin->pFilter);
111835             sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
111883           sqlite3WalkSelect(pWalker, pExpr->x.pSelect);
111910         int rc = resolveExprStep(pWalker, pRight);
112235 static int resolveRemoveWindowsCb(Walker *pWalker, Expr *pExpr){  argument
112236   UNUSED_PARAMETER(pWalker);
112342 static int resolveSelectStep(Walker *pWalker, Select *p){  argument
112358   pOuterNC = pWalker->u.pNC;
112359   pParse = pWalker->pParse;
114607 static int gatherSelectWindowsCallback(Walker *pWalker, Expr *pExpr){  argument
114609     Select *pSelect = pWalker->u.pSelect;
114618 static int gatherSelectWindowsSelectCallback(Walker *pWalker, Select *p){  argument
114619   return p==pWalker->u.pSelect ? WRC_Continue : WRC_Prune;
115131 SQLITE_PRIVATE int sqlite3SelectWalkFail(Walker *pWalker, Select *NotUsed){  argument
115133   pWalker->eCode = 0;
115306   Walker *pWalker,  argument
115321     sqlite3WalkExprList(pWalker, pList);
115322     if( pWalker->eCode==0 ) return WRC_Abort;
115324   db = pWalker->pParse->db;
115331     pWalker->eCode = 0;
115364 static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){  argument
115365   assert( pWalker->eCode>0 );
115370   if( pWalker->eCode==2 && ExprHasProperty(pExpr, EP_OuterON) ){
115371     pWalker->eCode = 0;
115380       if( (pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_ConstFunc))
115383         if( pWalker->eCode==5 ) ExprSetProperty(pExpr, EP_FromDDL);
115385       }else if( pWalker->pParse ){
115386         return exprNodeIsConstantFunction(pWalker, pExpr);
115388         pWalker->eCode = 0;
115405       if( ExprHasProperty(pExpr, EP_FixedCol) && pWalker->eCode!=2 ){
115408       if( pWalker->eCode==3 && pExpr->iTable==pWalker->u.iCur ){
115420       pWalker->eCode = 0;
115423       if( pWalker->eCode==5 ){
115428       }else if( pWalker->eCode==4 ){
115431         pWalker->eCode = 0;
115495 static int exprSelectWalkTableConstant(Walker *pWalker, Select *pSelect){  argument
115497   assert( pWalker->eCode==3 || pWalker->eCode==0 );
115499     pWalker->eCode = 0;
115613 static int exprNodeIsConstantOrGroupBy(Walker *pWalker, Expr *pExpr){  argument
115614   ExprList *pGroupBy = pWalker->u.pGroupBy;
115622       CollSeq *pColl = sqlite3ExprNNCollSeq(pWalker->pParse, p);
115631     pWalker->eCode = 0;
115635   return exprNodeIsConstant(pWalker, pExpr);
117542 static int exprNodeCanReturnSubtype(Walker *pWalker, Expr *pExpr){  argument
117555   db = pWalker->pParse->db;
117559     pWalker->eCode = 1;
119700 static void bothImplyNotNullRow(Walker *pWalker, Expr *pE1, Expr *pE2){  argument
119701   if( pWalker->eCode==0 ){
119702     sqlite3WalkExpr(pWalker, pE1);
119703     if( pWalker->eCode ){
119704       pWalker->eCode = 0;
119705       sqlite3WalkExpr(pWalker, pE2);
119723 static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){  argument
119727   if( ExprHasProperty(pExpr, EP_InnerON) && pWalker->mWFlags ){
119755       if( pWalker->u.iCur==pExpr->iTable ){
119756         pWalker->eCode = 1;
119772       bothImplyNotNullRow(pWalker, pExpr->pLeft, pExpr->pRight);
119781         sqlite3WalkExpr(pWalker, pExpr->pLeft);
119790       sqlite3WalkExpr(pWalker, pExpr->pLeft);
119791       bothImplyNotNullRow(pWalker, pExpr->x.pList->a[0].pExpr,
119893 static int exprIdxCover(Walker *pWalker, Expr *pExpr){  argument
119895    && pExpr->iTable==pWalker->u.pIdxCover->iCur
119896    && sqlite3TableColumnToIndex(pWalker->u.pIdxCover->pIdx, pExpr->iColumn)<0
119898     pWalker->eCode = 1;
119949 static int selectRefEnter(Walker *pWalker, Select *pSelect){  argument
119950   struct RefSrcList *p = pWalker->u.pRefSrcList;
119969 static void selectRefLeave(Walker *pWalker, Select *pSelect){  argument
119970   struct RefSrcList *p = pWalker->u.pRefSrcList;
119986 static int exprRefToSrcList(Walker *pWalker, Expr *pExpr){  argument
119991     struct RefSrcList *p = pWalker->u.pRefSrcList;
119996         pWalker->eCode |= 1;
120002       pWalker->eCode |= 2;
120070 static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){  argument
120076     Parse *pParse = pWalker->pParse;
120107 SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker *pWalker, Parse *pParse){  argument
120108   memset(pWalker, 0, sizeof(*pWalker));
120109   pWalker->pParse = pParse;
120110   pWalker->xExprCallback = agginfoPersistExprCb;
120111   pWalker->xSelectCallback = sqlite3SelectWalkNoop;
120226 static int analyzeAggregate(Walker *pWalker, Expr *pExpr){  argument
120228   NameContext *pNC = pWalker->u.pNC;
120298        && pWalker->walkerDepth==pExpr->op2
121364 static int renameUnmapExprCb(Walker *pWalker, Expr *pExpr){  argument
121365   Parse *pParse = pWalker->pParse;
121377 static void renameWalkWith(Walker *pWalker, Select *pSelect){  argument
121380     Parse *pParse = pWalker->pParse;
121400       sqlite3WalkSelect(pWalker, p);
121426 static int renameUnmapSelectCb(Walker *pWalker, Select *p){  argument
121427   Parse *pParse = pWalker->pParse;
121448         sqlite3WalkExpr(pWalker, pSrc->a[i].u3.pOn);
121455   renameWalkWith(pWalker, p);
121544 static int renameColumnSelectCb(Walker *pWalker, Select *p){  argument
121550   renameWalkWith(pWalker, p);
121563 static int renameColumnExprCb(Walker *pWalker, Expr *pExpr){  argument
121564   RenameCtx *p = pWalker->u.pRename;
121567    && pWalker->pParse->pTriggerTab==p->pTab
121569     renameTokenFind(pWalker->pParse, p, (void*)pExpr);
121575     renameTokenFind(pWalker->pParse, p, (void*)pExpr);
122002 static void renameWalkTrigger(Walker *pWalker, Trigger *pTrigger){  argument
122006   sqlite3WalkExpr(pWalker, pTrigger->pWhen);
122010     sqlite3WalkSelect(pWalker, pStep->pSelect);
122011     sqlite3WalkExpr(pWalker, pStep->pWhere);
122012     sqlite3WalkExprList(pWalker, pStep->pExprList);
122015       sqlite3WalkExprList(pWalker, pUpsert->pUpsertTarget);
122016       sqlite3WalkExprList(pWalker, pUpsert->pUpsertSet);
122017       sqlite3WalkExpr(pWalker, pUpsert->pUpsertWhere);
122018       sqlite3WalkExpr(pWalker, pUpsert->pUpsertTargetWhere);
122026           sqlite3WalkSelect(pWalker, pSrc->a[i].u4.pSubq->pSelect);
122244 static int renameTableExprCb(Walker *pWalker, Expr *pExpr){  argument
122245   RenameCtx *p = pWalker->u.pRename;
122250     renameTokenFind(pWalker->pParse, p, (void*)&pExpr->y.pTab);
122258 static int renameTableSelectCb(Walker *pWalker, Select *pSelect){  argument
122260   RenameCtx *p = pWalker->u.pRename;
122268     assert( pWalker->pParse->db->mallocFailed );
122274       renameTokenFind(pWalker->pParse, p, pItem->zName);
122277   renameWalkWith(pWalker, pSelect);
122451 static int renameQuotefixExprCb(Walker *pWalker, Expr *pExpr){  argument
122453     renameTokenFind(pWalker->pParse, pWalker->u.pRename, (const void*)pExpr);
129130 static int markImmutableExprStep(Walker *pWalker, Expr *pExpr){  argument
129131   (void)pWalker;
139163 static int exprColumnFlagUnion(Walker *pWalker, Expr *pExpr){  argument
139165     assert( pExpr->iColumn < pWalker->u.pTab->nCol );
139166     pWalker->eCode |= pWalker->u.pTab->aCol[pExpr->iColumn].colFlags;
140583 static int checkConstraintExprNode(Walker *pWalker, Expr *pExpr){  argument
140587       if( pWalker->u.aiCol[pExpr->iColumn]>=0 ){
140588         pWalker->eCode |= CKCNSTRNT_COLUMN;
140591       pWalker->eCode |= CKCNSTRNT_ROWID;
152946 static int recomputeColumnsUsedExpr(Walker *pWalker, Expr *pExpr){  argument
152949   pItem = pWalker->u.pSrcItem;
153012 static void renumberCursorDoMapping(Walker *pWalker, int *piCursor){  argument
153013   int *aCsrMap = pWalker->u.aiCol;
153024 static int renumberCursorsCb(Walker *pWalker, Expr *pExpr){  argument
153027     renumberCursorDoMapping(pWalker, &pExpr->iTable);
153030     renumberCursorDoMapping(pWalker, &pExpr->w.iJoin);
153876 static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){  argument
153877   WhereConst *pConst = pWalker->u.pConst;
154515 static int convertCompoundSelectToSubquery(Walker *pWalker, Select *p){  argument
154545   pParse = pWalker->pParse;
154674   Walker *pWalker,                /* Current tree walker */  argument
154806       rc = sqlite3WalkSelect(pWalker, pRecTerm);
154813       if( sqlite3WalkSelect(pWalker, pSel) ){
154840       sqlite3WalkSelect(pWalker, pSel);
154859 SQLITE_PRIVATE void sqlite3SelectPopWith(Walker *pWalker, Select *p){  argument
154860   Parse *pParse = pWalker->pParse;
154959 static int selectExpander(Walker *pWalker, Select *p){  argument
154960   Parse *pParse = pWalker->pParse;
154978   if( pWalker->eCode ){
155017       if( sqlite3WalkSelect(pWalker, pSel) ) return WRC_Abort;
155021     }else if( (rc = resolveFromTermToCte(pParse, pWalker, pFrom))!=0 ){
155044         u8 eCodeOrig = pWalker->eCode;
155069         pWalker->eCode = 1;  /* Turn on Select.selId renumbering */
155071           sqlite3WalkSelect(pWalker, pFrom->u4.pSubq->pSelect);
155073         pWalker->eCode = eCodeOrig;
155401 static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){  argument
155409   pParse = pWalker->pParse;
155593 static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){  argument
155596   UNUSED_PARAMETER(pWalker);
155996 static int havingToWhereExprCb(Walker *pWalker, Expr *pExpr){  argument
155998     Select *pS = pWalker->u.pSelect;
156006     if( sqlite3ExprIsConstantOrGroupBy(pWalker->pParse, pExpr, pS->pGroupBy)
156010       sqlite3 *db = pWalker->pParse->db;
156015         pNew = sqlite3ExprAnd(pWalker->pParse, pWhere, pNew);
156017         pWalker->eCode = 1;
156402 static int selectCheckOnClausesExpr(Walker *pWalker, Expr *pExpr){  argument
156403   CheckOnCtx *pCtx = pWalker->u.pCheckOnCtx;
156424       sqlite3WalkExprNN(pWalker, pExpr);
156443           sqlite3ErrorMsg(pWalker->pParse,
156460 static int selectCheckOnClausesSelect(Walker *pWalker, Select *pSelect){  argument
156461   CheckOnCtx *pCtx = pWalker->u.pCheckOnCtx;
156469     pWalker->u.pCheckOnCtx = &sCtx;
156470     sqlite3WalkSelect(pWalker, pSelect);
156471     pWalker->u.pCheckOnCtx = pCtx;
159145 static int sqlite3ReturningSubqueryCorrelated(Walker *pWalker, Select *pSelect){  argument
159152     if( pSrc->a[i].pSTab==pWalker->u.pTab ){
159155       pWalker->eCode = 1;
164991 static int codeCursorHintCheckExpr(Walker *pWalker, Expr *pExpr){  argument
164992   struct CCurHint *pHint = pWalker->u.pCCurHint;
164998     pWalker->eCode = 1;
165018 static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){  argument
165023     pWalker->eCode = 1;
165027     if( 0==sqlite3IsLikeFunction(pWalker->pParse->db, pExpr, &d1, d2) ){
165028       pWalker->eCode = 1;
165053 static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){  argument
165056   struct CCurHint *pHint = pWalker->u.pCCurHint;
165059       reg = ++pWalker->pParse->nMem;   /* Register for column value */
165060       reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg);
165070     reg = ++pWalker->pParse->nMem;   /* Register for column value */
165071     reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg);
171795 static int exprNodePatternLengthEst(Walker *pWalker, Expr *pExpr){  argument
171801     if( pWalker->eCode ){
171818     if( sz>pWalker->u.sz ) pWalker->u.sz = sz;
175290 static int exprNodeIsDeterministic(Walker *pWalker, Expr *pExpr){  argument
175292     pWalker->eCode = 0;
177480 static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){  argument
177481   struct WindowRewrite *p = pWalker->u.pRewrite;
177482   Parse *pParse = pWalker->pParse;
177563 static int selectWindowRewriteSelectCb(Walker *pWalker, Select *pSelect){  argument
177564   struct WindowRewrite *p = pWalker->u.pRewrite;
177570     sqlite3WalkSelect(pWalker, pSelect);
177665 static int sqlite3WindowExtraAggFuncDepth(Walker *pWalker, Expr *pExpr){  argument
177667    && pExpr->op2>=pWalker->walkerDepth
177674 static int disallowAggregatesInOrderByCb(Walker *pWalker, Expr *pExpr){  argument
177677      sqlite3ErrorMsg(pWalker->pParse,