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-rw-r--r--src/alter.c8
-rw-r--r--src/auth.c2
-rw-r--r--src/build.c19
-rw-r--r--src/delete.c4
-rw-r--r--src/expr.c16
-rw-r--r--src/fkey.c4
-rw-r--r--src/insert.c33
-rw-r--r--src/parse.y6
-rw-r--r--src/printf.c2
-rw-r--r--src/resolve.c39
-rw-r--r--src/select.c199
-rw-r--r--src/sqliteInt.h18
-rw-r--r--src/treeview.c16
-rw-r--r--src/trigger.c4
-rw-r--r--src/update.c6
-rw-r--r--src/upsert.c4
-rw-r--r--src/walker.c2
-rw-r--r--src/where.c94
-rw-r--r--src/wherecode.c27
-rw-r--r--src/whereexpr.c10
-rw-r--r--src/window.c8
21 files changed, 272 insertions, 249 deletions
diff --git a/src/alter.c b/src/alter.c
index a8556d115..41146f54e 100644
--- a/src/alter.c
+++ b/src/alter.c
@@ -1366,8 +1366,8 @@ static int renameResolveTrigger(Parse *pParse){
int i;
for(i=0; i<pStep->pFrom->nSrc && rc==SQLITE_OK; i++){
SrcItem *p = &pStep->pFrom->a[i];
- if( p->pSelect ){
- sqlite3SelectPrep(pParse, p->pSelect, 0);
+ if( p->sq.pSelect ){
+ sqlite3SelectPrep(pParse, p->sq.pSelect, 0);
}
}
}
@@ -1436,7 +1436,7 @@ static void renameWalkTrigger(Walker *pWalker, Trigger *pTrigger){
if( pStep->pFrom ){
int i;
for(i=0; i<pStep->pFrom->nSrc; i++){
- sqlite3WalkSelect(pWalker, pStep->pFrom->a[i].pSelect);
+ sqlite3WalkSelect(pWalker, pStep->pFrom->a[i].sq.pSelect);
}
}
}
@@ -1683,7 +1683,7 @@ static int renameTableSelectCb(Walker *pWalker, Select *pSelect){
}
for(i=0; i<pSrc->nSrc; i++){
SrcItem *pItem = &pSrc->a[i];
- if( pItem->pTab==p->pTab ){
+ if( pItem->pSTab==p->pTab ){
renameTokenFind(pWalker->pParse, p, pItem->zName);
}
}
diff --git a/src/auth.c b/src/auth.c
index fa6c82d85..fba2c0990 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -165,7 +165,7 @@ void sqlite3AuthRead(
assert( pTabList );
for(iSrc=0; iSrc<pTabList->nSrc; iSrc++){
if( pExpr->iTable==pTabList->a[iSrc].iCursor ){
- pTab = pTabList->a[iSrc].pTab;
+ pTab = pTabList->a[iSrc].pSTab;
break;
}
}
diff --git a/src/build.c b/src/build.c
index a0c4b493f..ff798087a 100644
--- a/src/build.c
+++ b/src/build.c
@@ -4914,8 +4914,8 @@ void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){
for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){
if( pItem->iCursor>=0 ) continue;
pItem->iCursor = pParse->nTab++;
- if( pItem->pSelect ){
- sqlite3SrcListAssignCursors(pParse, pItem->pSelect->pSrc);
+ if( pItem->sq.pSelect ){
+ sqlite3SrcListAssignCursors(pParse, pItem->sq.pSelect->pSrc);
}
}
}
@@ -4930,6 +4930,15 @@ void sqlite3SrcListDelete(sqlite3 *db, SrcList *pList){
assert( db!=0 );
if( pList==0 ) return;
for(pItem=pList->a, i=0; i<pList->nSrc; i++, pItem++){
+
+ /* Check invariants on SrcItem */
+ assert( pItem->sq.pSelect==0
+ || (pItem->sq.pSelect->selFlags & SF_MultiValue)==0
+ || (pItem->fg.hadSchema==0
+ && (pItem->fg.fixedSchema || pItem->u4.zDatabase==0)) );
+ assert( pItem->fg.hadSchema==0 || pItem->fg.fixedSchema==1 );
+
+
if( pItem->zName ) sqlite3DbNNFreeNN(db, pItem->zName);
if( pItem->zAlias ) sqlite3DbNNFreeNN(db, pItem->zAlias);
if( pItem->fg.fixedSchema==0 && pItem->u4.zDatabase!=0 ){
@@ -4937,8 +4946,8 @@ void sqlite3SrcListDelete(sqlite3 *db, SrcList *pList){
}
if( pItem->fg.isIndexedBy ) sqlite3DbFree(db, pItem->u1.zIndexedBy);
if( pItem->fg.isTabFunc ) sqlite3ExprListDelete(db, pItem->u1.pFuncArg);
- sqlite3DeleteTable(db, pItem->pTab);
- if( pItem->pSelect ) sqlite3SelectDelete(db, pItem->pSelect);
+ sqlite3DeleteTable(db, pItem->pSTab);
+ if( pItem->sq.pSelect ) sqlite3SelectDelete(db, pItem->sq.pSelect);
if( pItem->fg.isUsing ){
sqlite3IdListDelete(db, pItem->u3.pUsing);
}else if( pItem->u3.pOn ){
@@ -4998,7 +5007,7 @@ SrcList *sqlite3SrcListAppendFromTerm(
pItem->zAlias = sqlite3NameFromToken(db, pAlias);
}
if( pSubquery ){
- pItem->pSelect = pSubquery;
+ pItem->sq.pSelect = pSubquery;
if( pSubquery->selFlags & SF_NestedFrom ){
pItem->fg.isNestedFrom = 1;
}
diff --git a/src/delete.c b/src/delete.c
index bc7a7a3f5..010a90019 100644
--- a/src/delete.c
+++ b/src/delete.c
@@ -33,8 +33,8 @@ Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){
Table *pTab;
assert( pItem && pSrc->nSrc>=1 );
pTab = sqlite3LocateTableItem(pParse, 0, pItem);
- if( pItem->pTab ) sqlite3DeleteTable(pParse->db, pItem->pTab);
- pItem->pTab = pTab;
+ if( pItem->pSTab ) sqlite3DeleteTable(pParse->db, pItem->pSTab);
+ pItem->pSTab = pTab;
pItem->fg.notCte = 1;
if( pTab ){
pTab->nTabRef++;
diff --git a/src/expr.c b/src/expr.c
index d0fa4b500..6ad789a3d 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1886,9 +1886,9 @@ SrcList *sqlite3SrcListDup(sqlite3 *db, const SrcList *p, int flags){
pNewItem->zAlias = sqlite3DbStrDup(db, pOldItem->zAlias);
pNewItem->fg = pOldItem->fg;
pNewItem->iCursor = pOldItem->iCursor;
- pNewItem->addrFillSub = pOldItem->addrFillSub;
- pNewItem->regReturn = pOldItem->regReturn;
- pNewItem->regResult = pOldItem->regResult;
+ pNewItem->sq.addrFillSub = pOldItem->sq.addrFillSub;
+ pNewItem->sq.regReturn = pOldItem->sq.regReturn;
+ pNewItem->sq.regResult = pOldItem->sq.regResult;
if( pNewItem->fg.isIndexedBy ){
pNewItem->u1.zIndexedBy = sqlite3DbStrDup(db, pOldItem->u1.zIndexedBy);
}else if( pNewItem->fg.isTabFunc ){
@@ -1901,11 +1901,11 @@ SrcList *sqlite3SrcListDup(sqlite3 *db, const SrcList *p, int flags){
if( pNewItem->fg.isCte ){
pNewItem->u2.pCteUse->nUse++;
}
- pTab = pNewItem->pTab = pOldItem->pTab;
+ pTab = pNewItem->pSTab = pOldItem->pSTab;
if( pTab ){
pTab->nTabRef++;
}
- pNewItem->pSelect = sqlite3SelectDup(db, pOldItem->pSelect, flags);
+ pNewItem->sq.pSelect = sqlite3SelectDup(db, pOldItem->sq.pSelect, flags);
if( pOldItem->fg.isUsing ){
assert( pNewItem->fg.isUsing );
pNewItem->u3.pUsing = sqlite3IdListDup(db, pOldItem->u3.pUsing);
@@ -2999,8 +2999,8 @@ static Select *isCandidateForInOpt(const Expr *pX){
pSrc = p->pSrc;
assert( pSrc!=0 );
if( pSrc->nSrc!=1 ) return 0; /* Single term in FROM clause */
- if( pSrc->a[0].pSelect ) return 0; /* FROM is not a subquery or view */
- pTab = pSrc->a[0].pTab;
+ if( pSrc->a[0].sq.pSelect ) return 0; /* FROM is not a subquery or view */
+ pTab = pSrc->a[0].pSTab;
assert( pTab!=0 );
assert( !IsView(pTab) ); /* FROM clause is not a view */
if( IsVirtual(pTab) ) return 0; /* FROM clause not a virtual table */
@@ -3183,7 +3183,7 @@ int sqlite3FindInIndex(
assert( p->pEList!=0 ); /* Because of isCandidateForInOpt(p) */
assert( p->pEList->a[0].pExpr!=0 ); /* Because of isCandidateForInOpt(p) */
assert( p->pSrc!=0 ); /* Because of isCandidateForInOpt(p) */
- pTab = p->pSrc->a[0].pTab;
+ pTab = p->pSrc->a[0].pSTab;
/* Code an OP_Transaction and OP_TableLock for <table>. */
iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
diff --git a/src/fkey.c b/src/fkey.c
index c68037a65..cd1f88502 100644
--- a/src/fkey.c
+++ b/src/fkey.c
@@ -1043,9 +1043,9 @@ void sqlite3FkCheck(
pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0);
if( pSrc ){
SrcItem *pItem = pSrc->a;
- pItem->pTab = pFKey->pFrom;
+ pItem->pSTab = pFKey->pFrom;
pItem->zName = pFKey->pFrom->zName;
- pItem->pTab->nTabRef++;
+ pItem->pSTab->nTabRef++;
pItem->iCursor = pParse->nTab++;
if( regNew!=0 ){
diff --git a/src/insert.c b/src/insert.c
index a7e94420b..4447cdc22 100644
--- a/src/insert.c
+++ b/src/insert.c
@@ -585,8 +585,8 @@ void sqlite3AutoincrementEnd(Parse *pParse){
void sqlite3MultiValuesEnd(Parse *pParse, Select *pVal){
if( ALWAYS(pVal) && pVal->pSrc->nSrc>0 ){
SrcItem *pItem = &pVal->pSrc->a[0];
- sqlite3VdbeEndCoroutine(pParse->pVdbe, pItem->regReturn);
- sqlite3VdbeJumpHere(pParse->pVdbe, pItem->addrFillSub - 1);
+ sqlite3VdbeEndCoroutine(pParse->pVdbe, pItem->sq.regReturn);
+ sqlite3VdbeJumpHere(pParse->pVdbe, pItem->sq.addrFillSub - 1);
}
}
@@ -723,14 +723,15 @@ Select *sqlite3MultiValues(Parse *pParse, Select *pLeft, ExprList *pRow){
assert( pLeft->pNext==0 );
assert( pRet->pNext==0 );
p = &pRet->pSrc->a[0];
- p->pSelect = pLeft;
+ p->sq.pSelect = pLeft;
p->fg.viaCoroutine = 1;
- p->addrFillSub = sqlite3VdbeCurrentAddr(v) + 1;
- p->regReturn = ++pParse->nMem;
+ p->sq.addrFillSub = sqlite3VdbeCurrentAddr(v) + 1;
+ p->sq.regReturn = ++pParse->nMem;
p->iCursor = -1;
p->u1.nRow = 2;
- sqlite3VdbeAddOp3(v,OP_InitCoroutine,p->regReturn,0,p->addrFillSub);
- sqlite3SelectDestInit(&dest, SRT_Coroutine, p->regReturn);
+ sqlite3VdbeAddOp3(v, OP_InitCoroutine,
+ p->sq.regReturn, 0, p->sq.addrFillSub);
+ sqlite3SelectDestInit(&dest, SRT_Coroutine, p->sq.regReturn);
/* Allocate registers for the output of the co-routine. Do so so
** that there are two unused registers immediately before those
@@ -743,7 +744,7 @@ Select *sqlite3MultiValues(Parse *pParse, Select *pLeft, ExprList *pRow){
pLeft->selFlags |= SF_MultiValue;
sqlite3Select(pParse, pLeft, &dest);
- p->regResult = dest.iSdst;
+ p->sq.regResult = dest.iSdst;
assert( pParse->nErr || dest.iSdst>0 );
pLeft = pRet;
}
@@ -755,11 +756,11 @@ Select *sqlite3MultiValues(Parse *pParse, Select *pLeft, ExprList *pRow){
if( pParse->nErr==0 ){
assert( p!=0 );
- if( p->pSelect->pEList->nExpr!=pRow->nExpr ){
- sqlite3SelectWrongNumTermsError(pParse, p->pSelect);
+ if( p->sq.pSelect->pEList->nExpr!=pRow->nExpr ){
+ sqlite3SelectWrongNumTermsError(pParse, p->sq.pSelect);
}else{
- sqlite3ExprCodeExprList(pParse, pRow, p->regResult, 0, 0);
- sqlite3VdbeAddOp1(pParse->pVdbe, OP_Yield, p->regReturn);
+ sqlite3ExprCodeExprList(pParse, pRow, p->sq.regResult, 0, 0);
+ sqlite3VdbeAddOp1(pParse->pVdbe, OP_Yield, p->sq.regReturn);
}
}
sqlite3ExprListDelete(pParse->db, pRow);
@@ -1110,9 +1111,9 @@ void sqlite3Insert(
&& pSelect->pPrior==0
){
SrcItem *pItem = &pSelect->pSrc->a[0];
- dest.iSDParm = pItem->regReturn;
- regFromSelect = pItem->regResult;
- nColumn = pItem->pSelect->pEList->nExpr;
+ dest.iSDParm = pItem->sq.regReturn;
+ regFromSelect = pItem->sq.regResult;
+ nColumn = pItem->sq.pSelect->pEList->nExpr;
ExplainQueryPlan((pParse, 0, "SCAN %S", pItem));
if( bIdListInOrder && nColumn==pTab->nCol ){
regData = regFromSelect;
@@ -3032,7 +3033,7 @@ static int xferOptimization(
if( pSelect->pSrc->nSrc!=1 ){
return 0; /* FROM clause must have exactly one term */
}
- if( pSelect->pSrc->a[0].pSelect ){
+ if( pSelect->pSrc->a[0].sq.pSelect ){
return 0; /* FROM clause cannot contain a subquery */
}
if( pSelect->pWhere ){
diff --git a/src/parse.y b/src/parse.y
index a605ad691..9e656d0bc 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -743,8 +743,8 @@ seltablist(A) ::= stl_prefix(A) nm(Y) dbnm(D) LP exprlist(E) RP as(Z) on_using(N
assert( pOld->fg.fixedSchema==0 );
pNew->zName = pOld->zName;
pNew->u4.zDatabase = pOld->u4.zDatabase;
- pNew->pSelect = pOld->pSelect;
- if( pNew->pSelect && (pNew->pSelect->selFlags & SF_NestedFrom)!=0 ){
+ pNew->sq.pSelect = pOld->sq.pSelect;
+ if( pNew->sq.pSelect && (pNew->sq.pSelect->selFlags & SF_NestedFrom)!=0 ){
pNew->fg.isNestedFrom = 1;
}
if( pOld->fg.isTabFunc ){
@@ -754,7 +754,7 @@ seltablist(A) ::= stl_prefix(A) nm(Y) dbnm(D) LP exprlist(E) RP as(Z) on_using(N
pNew->fg.isTabFunc = 1;
}
pOld->zName = pOld->u4.zDatabase = 0;
- pOld->pSelect = 0;
+ pOld->sq.pSelect = 0;
}
sqlite3SrcListDelete(pParse->db, F);
}else{
diff --git a/src/printf.c b/src/printf.c
index 12dd91a78..027905d26 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -856,7 +856,7 @@ void sqlite3_str_vappendf(
}else if( pItem->zAlias ){
sqlite3_str_appendall(pAccum, pItem->zAlias);
}else{
- Select *pSel = pItem->pSelect;
+ Select *pSel = pItem->sq.pSelect;
assert( pSel!=0 ); /* Because of tag-20240424-1 */
if( pSel->selFlags & SF_NestedFrom ){
sqlite3_str_appendf(pAccum, "(join-%u)", pSel->selId);
diff --git a/src/resolve.c b/src/resolve.c
index dbb54198c..02a48d699 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -215,7 +215,7 @@ static void extendFJMatch(
if( pNew ){
pNew->iTable = pMatch->iCursor;
pNew->iColumn = iColumn;
- pNew->y.pTab = pMatch->pTab;
+ pNew->y.pTab = pMatch->pSTab;
assert( (pMatch->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 );
ExprSetProperty(pNew, EP_CanBeNull);
*ppList = sqlite3ExprListAppend(pParse, *ppList, pNew);
@@ -346,10 +346,10 @@ static int lookupName(
if( pSrcList ){
for(i=0, pItem=pSrcList->a; i<pSrcList->nSrc; i++, pItem++){
u8 hCol;
- pTab = pItem->pTab;
+ pTab = pItem->pSTab;
assert( pTab!=0 && pTab->zName!=0 );
assert( pTab->nCol>0 || pParse->nErr );
- assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) );
+ assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->sq.pSelect));
if( pItem->fg.isNestedFrom ){
/* In this case, pItem is a subquery that has been formed from a
** parenthesized subset of the FROM clause terms. Example:
@@ -358,8 +358,8 @@ static int lookupName(
** This pItem -------------^
*/
int hit = 0;
- assert( pItem->pSelect!=0 );
- pEList = pItem->pSelect->pEList;
+ assert( pItem->sq.pSelect!=0 );
+ pEList = pItem->sq.pSelect->pEList;
assert( pEList!=0 );
assert( pEList->nExpr==pTab->nCol );
for(j=0; j<pEList->nExpr; j++){
@@ -483,8 +483,8 @@ static int lookupName(
if( cntTab==0
|| (cntTab==1
&& ALWAYS(pMatch!=0)
- && ALWAYS(pMatch->pTab!=0)
- && (pMatch->pTab->tabFlags & TF_Ephemeral)!=0
+ && ALWAYS(pMatch->pSTab!=0)
+ && (pMatch->pSTab->tabFlags & TF_Ephemeral)!=0
&& (pTab->tabFlags & TF_Ephemeral)==0)
){
cntTab = 1;
@@ -505,7 +505,7 @@ static int lookupName(
if( pMatch ){
pExpr->iTable = pMatch->iCursor;
assert( ExprUseYTab(pExpr) );
- pExpr->y.pTab = pMatch->pTab;
+ pExpr->y.pTab = pMatch->pSTab;
if( (pMatch->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 ){
ExprSetProperty(pExpr, EP_CanBeNull);
}
@@ -547,7 +547,7 @@ static int lookupName(
if( (pNC->ncFlags & NC_UUpsert)!=0 && zTab!=0 ){
Upsert *pUpsert = pNC->uNC.pUpsert;
if( pUpsert && sqlite3StrICmp("excluded",zTab)==0 ){
- pTab = pUpsert->pUpsertSrc->a[0].pTab;
+ pTab = pUpsert->pUpsertSrc->a[0].pSTab;
pExpr->iTable = EXCLUDED_TABLE_NUMBER;
}
}
@@ -630,11 +630,11 @@ static int lookupName(
&& pMatch
&& (pNC->ncFlags & (NC_IdxExpr|NC_GenCol))==0
&& sqlite3IsRowid(zCol)
- && ALWAYS(VisibleRowid(pMatch->pTab) || pMatch->fg.isNestedFrom)
+ && ALWAYS(VisibleRowid(pMatch->pSTab) || pMatch->fg.isNestedFrom)
){
cnt = cntTab;
#if SQLITE_ALLOW_ROWID_IN_VIEW+0==2
- if( pMatch->pTab!=0 && IsView(pMatch->pTab) ){
+ if( pMatch->pSTab!=0 && IsView(pMatch->pSTab) ){
eNewExprOp = TK_NULL;
}
#endif
@@ -871,7 +871,7 @@ Expr *sqlite3CreateColumnExpr(sqlite3 *db, SrcList *pSrc, int iSrc, int iCol){
SrcItem *pItem = &pSrc->a[iSrc];
Table *pTab;
assert( ExprUseYTab(p) );
- pTab = p->y.pTab = pItem->pTab;
+ pTab = p->y.pTab = pItem->pSTab;
p->iTable = pItem->iCursor;
if( p->y.pTab->iPKey==iCol ){
p->iColumn = -1;
@@ -990,7 +990,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
pItem = pSrcList->a;
pExpr->op = TK_COLUMN;
assert( ExprUseYTab(pExpr) );
- pExpr->y.pTab = pItem->pTab;
+ pExpr->y.pTab = pItem->pSTab;
pExpr->iTable = pItem->iCursor;
pExpr->iColumn--;
pExpr->affExpr = SQLITE_AFF_INTEGER;
@@ -1880,7 +1880,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){
** moves the pOrderBy down to the sub-query. It will be moved back
** after the names have been resolved. */
if( p->selFlags & SF_Converted ){
- Select *pSub = p->pSrc->a[0].pSelect;
+ Select *pSub = p->pSrc->a[0].sq.pSelect;
assert( p->pSrc->nSrc==1 && p->pOrderBy );
assert( pSub->pPrior && pSub->pOrderBy==0 );
pSub->pOrderBy = p->pOrderBy;
@@ -1892,13 +1892,14 @@ static int resolveSelectStep(Walker *pWalker, Select *p){
if( pOuterNC ) pOuterNC->nNestedSelect++;
for(i=0; i<p->pSrc->nSrc; i++){
SrcItem *pItem = &p->pSrc->a[i];
- assert( pItem->zName!=0 || pItem->pSelect!=0 );/* Test of tag-20240424-1*/
- if( pItem->pSelect && (pItem->pSelect->selFlags & SF_Resolved)==0 ){
+ assert( pItem->zName!=0
+ || pItem->sq.pSelect!=0 ); /* Test of tag-20240424-1*/
+ if( pItem->sq.pSelect && (pItem->sq.pSelect->selFlags & SF_Resolved)==0 ){
int nRef = pOuterNC ? pOuterNC->nRef : 0;
const char *zSavedContext = pParse->zAuthContext;
if( pItem->zName ) pParse->zAuthContext = pItem->zName;
- sqlite3ResolveSelectNames(pParse, pItem->pSelect, pOuterNC);
+ sqlite3ResolveSelectNames(pParse, pItem->sq.pSelect, pOuterNC);
pParse->zAuthContext = zSavedContext;
if( pParse->nErr ) return WRC_Abort;
assert( db->mallocFailed==0 );
@@ -2000,7 +2001,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){
** These integers will be replaced by copies of the corresponding result
** set expressions by the call to resolveOrderGroupBy() below. */
if( p->selFlags & SF_Converted ){
- Select *pSub = p->pSrc->a[0].pSelect;
+ Select *pSub = p->pSrc->a[0].sq.pSelect;
p->pOrderBy = pSub->pOrderBy;
pSub->pOrderBy = 0;
}
@@ -2267,7 +2268,7 @@ int sqlite3ResolveSelfReference(
if( pTab ){
sSrc.nSrc = 1;
sSrc.a[0].zName = pTab->zName;
- sSrc.a[0].pTab = pTab;
+ sSrc.a[0].pSTab = pTab;
sSrc.a[0].iCursor = -1;
if( pTab->pSchema!=pParse->db->aDb[1].pSchema ){
/* Cause EP_FromDDL to be set on TK_FUNCTION nodes of non-TEMP
diff --git a/src/select.c b/src/select.c
index 634f06e30..5f55b402c 100644
--- a/src/select.c
+++ b/src/select.c
@@ -332,11 +332,11 @@ int sqlite3ColumnIndex(Table *pTab, const char *zCol){
*/
void sqlite3SrcItemColumnUsed(SrcItem *pItem, int iCol){
assert( pItem!=0 );
- assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) );
+ assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->sq.pSelect) );
if( pItem->fg.isNestedFrom ){
ExprList *pResults;
- assert( pItem->pSelect!=0 );
- pResults = pItem->pSelect->pEList;
+ assert( pItem->sq.pSelect!=0 );
+ pResults = pItem->sq.pSelect->pEList;
assert( pResults!=0 );
assert( iCol>=0 && iCol<pResults->nExpr );
pResults->a[iCol].fg.bUsed = 1;
@@ -370,9 +370,9 @@ static int tableAndColumnIndex(
assert( (piTab==0)==(piCol==0) ); /* Both or neither are NULL */
for(i=iStart; i<=iEnd; i++){
- iCol = sqlite3ColumnIndex(pSrc->a[i].pTab, zCol);
+ iCol = sqlite3ColumnIndex(pSrc->a[i].pSTab, zCol);
if( iCol>=0
- && (bIgnoreHidden==0 || IsHiddenColumn(&pSrc->a[i].pTab->aCol[iCol])==0)
+ && (bIgnoreHidden==0 || IsHiddenColumn(&pSrc->a[i].pSTab->aCol[iCol])==0)
){
if( piTab ){
sqlite3SrcItemColumnUsed(&pSrc->a[i], iCol);
@@ -501,10 +501,10 @@ static int sqlite3ProcessJoin(Parse *pParse, Select *p){
pLeft = &pSrc->a[0];
pRight = &pLeft[1];
for(i=0; i<pSrc->nSrc-1; i++, pRight++, pLeft++){
- Table *pRightTab = pRight->pTab;
+ Table *pRightTab = pRight->pSTab;
u32 joinType;
- if( NEVER(pLeft->pTab==0 || pRightTab==0) ) continue;
+ if( NEVER(pLeft->pSTab==0 || pRightTab==0) ) continue;
joinType = (pRight->fg.jointype & JT_OUTER)!=0 ? EP_OuterON : EP_InnerON;
/* If this is a NATURAL join, synthesize an appropriate USING clause
@@ -1930,8 +1930,8 @@ static const char *columnTypeImpl(
SrcList *pTabList = pNC->pSrcList;
for(j=0;j<pTabList->nSrc && pTabList->a[j].iCursor!=pExpr->iTable;j++);
if( j<pTabList->nSrc ){
- pTab = pTabList->a[j].pTab;
- pS = pTabList->a[j].pSelect;
+ pTab = pTabList->a[j].pSTab;
+ pS = pTabList->a[j].sq.pSelect;
}else{
pNC = pNC->pNext;
}
@@ -3983,7 +3983,7 @@ static void substSelect(
pSrc = p->pSrc;
assert( pSrc!=0 );
for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
- substSelect(pSubst, pItem->pSelect, 1);
+ substSelect(pSubst, pItem->sq.pSelect, 1);
if( pItem->fg.isTabFunc ){
substExprList(pSubst, pItem->u1.pFuncArg);
}
@@ -4014,7 +4014,7 @@ static void recomputeColumnsUsed(
SrcItem *pSrcItem /* Which FROM clause item to recompute */
){
Walker w;
- if( NEVER(pSrcItem->pTab==0) ) return;
+ if( NEVER(pSrcItem->pSTab==0) ) return;
memset(&w, 0, sizeof(w));
w.xExprCallback = recomputeColumnsUsedExpr;
w.xSelectCallback = sqlite3SelectWalkNoop;
@@ -4054,7 +4054,7 @@ static void srclistRenumberCursors(
aCsrMap[pItem->iCursor+1] = pParse->nTab++;
}
pItem->iCursor = aCsrMap[pItem->iCursor+1];
- for(p=pItem->pSelect; p; p=p->pPrior){
+ for(p=pItem->sq.pSelect; p; p=p->pPrior){
srclistRenumberCursors(pParse, aCsrMap, p->pSrc, -1);
}
}
@@ -4366,7 +4366,7 @@ static int flattenSubquery(
assert( pSrc && iFrom>=0 && iFrom<pSrc->nSrc );
pSubitem = &pSrc->a[iFrom];
iParent = pSubitem->iCursor;
- pSub = pSubitem->pSelect;
+ pSub = pSubitem->sq.pSelect;
assert( pSub!=0 );
#ifndef SQLITE_OMIT_WINDOWFUNC
@@ -4419,7 +4419,7 @@ static int flattenSubquery(
*/
if( (pSubitem->fg.jointype & (JT_OUTER|JT_LTORJ))!=0 ){
if( pSubSrc->nSrc>1 /* (3a) */
- || IsVirtual(pSubSrc->a[0].pTab) /* (3b) */
+ || IsVirtual(pSubSrc->a[0].pSTab) /* (3b) */
|| (p->selFlags & SF_Distinct)!=0 /* (3d) */
|| (pSubitem->fg.jointype & JT_RIGHT)!=0 /* (26) */
){
@@ -4505,7 +4505,7 @@ static int flattenSubquery(
pParse->zAuthContext = zSavedAuthContext;
/* Delete the transient structures associated with the subquery */
- pSub1 = pSubitem->pSelect;
+ pSub1 = pSubitem->sq.pSelect;
if( pSubitem->fg.fixedSchema==0 ){
sqlite3DbFree(db, pSubitem->u4.zDatabase);
pSubitem->u4.zDatabase = 0;
@@ -4514,7 +4514,7 @@ static int flattenSubquery(
sqlite3DbFree(db, pSubitem->zAlias);
pSubitem->zName = 0;
pSubitem->zAlias = 0;
- pSubitem->pSelect = 0;
+ pSubitem->sq.pSelect = 0;
assert( pSubitem->fg.isUsing!=0 || pSubitem->u3.pOn==0 );
/* If the sub-query is a compound SELECT statement, then (by restrictions
@@ -4555,8 +4555,8 @@ static int flattenSubquery(
ExprList *pOrderBy = p->pOrderBy;
Expr *pLimit = p->pLimit;
Select *pPrior = p->pPrior;
- Table *pItemTab = pSubitem->pTab;
- pSubitem->pTab = 0;
+ Table *pItemTab = pSubitem->pSTab;
+ pSubitem->pSTab = 0;
p->pOrderBy = 0;
p->pPrior = 0;
p->pLimit = 0;
@@ -4564,7 +4564,7 @@ static int flattenSubquery(
p->pLimit = pLimit;
p->pOrderBy = pOrderBy;
p->op = TK_ALL;
- pSubitem->pTab = pItemTab;
+ pSubitem->pSTab = pItemTab;
if( pNew==0 ){
p->pPrior = pPrior;
}else{
@@ -4579,11 +4579,11 @@ static int flattenSubquery(
TREETRACE(0x4,pParse,p,("compound-subquery flattener"
" creates %u as peer\n",pNew->selId));
}
- assert( pSubitem->pSelect==0 );
+ assert( pSubitem->sq.pSelect==0 );
}
sqlite3DbFree(db, aCsrMap);
if( db->mallocFailed ){
- pSubitem->pSelect = pSub1;
+ pSubitem->sq.pSelect = pSub1;
return 1;
}
@@ -4594,8 +4594,8 @@ static int flattenSubquery(
**
** pSubitem->pTab is always non-NULL by test restrictions and tests above.
*/
- if( ALWAYS(pSubitem->pTab!=0) ){
- Table *pTabToDel = pSubitem->pTab;
+ if( ALWAYS(pSubitem->pSTab!=0) ){
+ Table *pTabToDel = pSubitem->pSTab;
if( pTabToDel->nTabRef==1 ){
Parse *pToplevel = sqlite3ParseToplevel(pParse);
sqlite3ParserAddCleanup(pToplevel, sqlite3DeleteTableGeneric, pTabToDel);
@@ -4603,7 +4603,7 @@ static int flattenSubquery(
}else{
pTabToDel->nTabRef--;
}
- pSubitem->pTab = 0;
+ pSubitem->pSTab = 0;
}
/* The following loop runs once for each term in a compound-subquery
@@ -5344,10 +5344,10 @@ static int disableUnusedSubqueryResultColumns(SrcItem *pItem){
if( pItem->fg.isCorrelated || pItem->fg.isCte ){
return 0;
}
- assert( pItem->pTab!=0 );
- pTab = pItem->pTab;
- assert( pItem->pSelect!=0 );
- pSub = pItem->pSelect;
+ assert( pItem->pSTab!=0 );
+ pTab = pItem->pSTab;
+ assert( pItem->sq.pSelect!=0 );
+ pSub = pItem->sq.pSelect;
assert( pSub->pEList->nExpr==pTab->nCol );
for(pX=pSub; pX; pX=pX->pPrior){
if( (pX->selFlags & (SF_Distinct|SF_Aggregate))!=0 ){
@@ -5476,13 +5476,13 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){
if( p->pWhere
|| p->pEList->nExpr!=1
|| p->pSrc->nSrc!=1
- || p->pSrc->a[0].pSelect
+ || p->pSrc->a[0].sq.pSelect
|| pAggInfo->nFunc!=1
|| p->pHaving
){
return 0;
}
- pTab = p->pSrc->a[0].pTab;
+ pTab = p->pSrc->a[0].pSTab;
assert( pTab!=0 );
assert( !IsView(pTab) );
if( !IsOrdinaryTable(pTab) ) return 0;
@@ -5507,7 +5507,7 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){
** pFrom->pIndex and return SQLITE_OK.
*/
int sqlite3IndexedByLookup(Parse *pParse, SrcItem *pFrom){
- Table *pTab = pFrom->pTab;
+ Table *pTab = pFrom->pSTab;
char *zIndexedBy = pFrom->u1.zIndexedBy;
Index *pIdx;
assert( pTab!=0 );
@@ -5709,7 +5709,7 @@ static int resolveFromTermToCte(
Cte *pCte; /* Matched CTE (or NULL if no match) */
With *pWith; /* The matching WITH */
- assert( pFrom->pTab==0 );
+ assert( pFrom->pSTab==0 );
if( pParse->pWith==0 ){
/* There are no WITH clauses in the stack. No match is possible */
return 0;
@@ -5756,7 +5756,7 @@ static int resolveFromTermToCte(
}
if( cannotBeFunction(pParse, pFrom) ) return 2;
- assert( pFrom->pTab==0 );
+ assert( pFrom->pSTab==0 );
pTab = sqlite3DbMallocZero(db, sizeof(Table));
if( pTab==0 ) return 2;
pCteUse = pCte->pUse;
@@ -5770,16 +5770,16 @@ static int resolveFromTermToCte(
}
pCteUse->eM10d = pCte->eM10d;
}
- pFrom->pTab = pTab;
+ pFrom->pSTab = pTab;
pTab->nTabRef = 1;
pTab->zName = sqlite3DbStrDup(db, pCte->zName);
pTab->iPKey = -1;
pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) );
pTab->tabFlags |= TF_Ephemeral | TF_NoVisibleRowid;
- pFrom->pSelect = sqlite3SelectDup(db, pCte->pSelect, 0);
+ pFrom->sq.pSelect = sqlite3SelectDup(db, pCte->pSelect, 0);
if( db->mallocFailed ) return 2;
- pFrom->pSelect->selFlags |= SF_CopyCte;
- assert( pFrom->pSelect );
+ assert( pFrom->sq.pSelect );
+ pFrom->sq.pSelect->selFlags |= SF_CopyCte;
if( pFrom->fg.isIndexedBy ){
sqlite3ErrorMsg(pParse, "no such index: \"%s\"", pFrom->u1.zIndexedBy);
return 2;
@@ -5789,7 +5789,7 @@ static int resolveFromTermToCte(
pCteUse->nUse++;
/* Check if this is a recursive CTE. */
- pRecTerm = pSel = pFrom->pSelect;
+ pRecTerm = pSel = pFrom->sq.pSelect;
bMayRecursive = ( pSel->op==TK_ALL || pSel->op==TK_UNION );
while( bMayRecursive && pRecTerm->op==pSel->op ){
int i;
@@ -5802,7 +5802,7 @@ static int resolveFromTermToCte(
&& pItem->zName!=0
&& 0==sqlite3StrICmp(pItem->zName, pCte->zName)
){
- pItem->pTab = pTab;
+ pItem->pSTab = pTab;
pTab->nTabRef++;
pItem->fg.isRecursive = 1;
if( pRecTerm->selFlags & SF_Recursive ){
@@ -5904,11 +5904,11 @@ void sqlite3SelectPopWith(Walker *pWalker, Select *p){
** SQLITE_NOMEM.
*/
int sqlite3ExpandSubquery(Parse *pParse, SrcItem *pFrom){
- Select *pSel = pFrom->pSelect;
+ Select *pSel = pFrom->sq.pSelect;
Table *pTab;
assert( pSel );
- pFrom->pTab = pTab = sqlite3DbMallocZero(pParse->db, sizeof(Table));
+ pFrom->pSTab = pTab = sqlite3DbMallocZero(pParse->db, sizeof(Table));
if( pTab==0 ) return SQLITE_NOMEM;
pTab->nTabRef = 1;
if( pFrom->zAlias ){
@@ -6028,33 +6028,33 @@ static int selectExpander(Walker *pWalker, Select *p){
*/
for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
Table *pTab;
- assert( pFrom->fg.isRecursive==0 || pFrom->pTab!=0 );
- if( pFrom->pTab ) continue;
+ assert( pFrom->fg.isRecursive==0 || pFrom->pSTab!=0 );
+ if( pFrom->pSTab ) continue;
assert( pFrom->fg.isRecursive==0 );
if( pFrom->zName==0 ){
#ifndef SQLITE_OMIT_SUBQUERY
- Select *pSel = pFrom->pSelect;
+ Select *pSel = pFrom->sq.pSelect;
/* A sub-query in the FROM clause of a SELECT */
assert( pSel!=0 );
- assert( pFrom->pTab==0 );
+ assert( pFrom->pSTab==0 );
if( sqlite3WalkSelect(pWalker, pSel) ) return WRC_Abort;
if( sqlite3ExpandSubquery(pParse, pFrom) ) return WRC_Abort;
#endif
#ifndef SQLITE_OMIT_CTE
}else if( (rc = resolveFromTermToCte(pParse, pWalker, pFrom))!=0 ){
if( rc>1 ) return WRC_Abort;
- pTab = pFrom->pTab;
+ pTab = pFrom->pSTab;
assert( pTab!=0 );
#endif
}else{
/* An ordinary table or view name in the FROM clause */
- assert( pFrom->pTab==0 );
- pFrom->pTab = pTab = sqlite3LocateTableItem(pParse, 0, pFrom);
+ assert( pFrom->pSTab==0 );
+ pFrom->pSTab = pTab = sqlite3LocateTableItem(pParse, 0, pFrom);
if( pTab==0 ) return WRC_Abort;
if( pTab->nTabRef>=0xffff ){
sqlite3ErrorMsg(pParse, "too many references to \"%s\": max 65535",
pTab->zName);
- pFrom->pTab = 0;
+ pFrom->pSTab = 0;
return WRC_Abort;
}
pTab->nTabRef++;
@@ -6066,7 +6066,7 @@ static int selectExpander(Walker *pWalker, Select *p){
i16 nCol;
u8 eCodeOrig = pWalker->eCode;
if( sqlite3ViewGetColumnNames(pParse, pTab) ) return WRC_Abort;
- assert( pFrom->pSelect==0 );
+ assert( pFrom->sq.pSelect==0 );
if( IsView(pTab) ){
if( (db->flags & SQLITE_EnableView)==0
&& pTab->pSchema!=db->aDb[1].pSchema
@@ -6074,7 +6074,7 @@ static int selectExpander(Walker *pWalker, Select *p){
sqlite3ErrorMsg(pParse, "access to view \"%s\" prohibited",
pTab->zName);
}
- pFrom->pSelect = sqlite3SelectDup(db, pTab->u.view.pSelect, 0);
+ pFrom->sq.pSelect = sqlite3SelectDup(db, pTab->u.view.pSelect, 0);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( ALWAYS(IsVirtual(pTab))
@@ -6090,7 +6090,7 @@ static int selectExpander(Walker *pWalker, Select *p){
nCol = pTab->nCol;
pTab->nCol = -1;
pWalker->eCode = 1; /* Turn on Select.selId renumbering */
- sqlite3WalkSelect(pWalker, pFrom->pSelect);
+ sqlite3WalkSelect(pWalker, pFrom->sq.pSelect);
pWalker->eCode = eCodeOrig;
pTab->nCol = nCol;
}
@@ -6177,7 +6177,7 @@ static int selectExpander(Walker *pWalker, Select *p){
}
for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
int nAdd; /* Number of cols including rowid */
- Table *pTab = pFrom->pTab; /* Table for this data source */
+ Table *pTab = pFrom->pSTab; /* Table for this data source */
ExprList *pNestedFrom; /* Result-set of a nested FROM clause */
char *zTabName; /* AS name for this data source */
const char *zSchemaName = 0; /* Schema name for this data source */
@@ -6188,10 +6188,11 @@ static int selectExpander(Walker *pWalker, Select *p){
zTabName = pTab->zName;
}
if( db->mallocFailed ) break;
- assert( (int)pFrom->fg.isNestedFrom == IsNestedFrom(pFrom->pSelect) );
+ assert( (int)pFrom->fg.isNestedFrom ==
+ IsNestedFrom(pFrom->sq.pSelect) );
if( pFrom->fg.isNestedFrom ){
- assert( pFrom->pSelect!=0 );
- pNestedFrom = pFrom->pSelect->pEList;
+ assert( pFrom->sq.pSelect!=0 );
+ pNestedFrom = pFrom->sq.pSelect->pEList;
assert( pNestedFrom!=0 );
assert( pNestedFrom->nExpr==pTab->nCol );
assert( VisibleRowid(pTab)==0 || ViewCanHaveRowid );
@@ -6430,11 +6431,11 @@ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){
assert( (p->selFlags & SF_Resolved) );
pTabList = p->pSrc;
for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
- Table *pTab = pFrom->pTab;
+ Table *pTab = pFrom->pSTab;
assert( pTab!=0 );
if( (pTab->tabFlags & TF_Ephemeral)!=0 ){
/* A sub-query in the FROM clause of a SELECT */
- Select *pSel = pFrom->pSelect;
+ Select *pSel = pFrom->sq.pSelect;
if( pSel ){
sqlite3SubqueryColumnTypes(pParse, pTab, pSel, SQLITE_AFF_NONE);
}
@@ -7084,25 +7085,25 @@ static SrcItem *isSelfJoinView(
int iFirst, int iEnd /* Range of FROM-clause entries to search. */
){
SrcItem *pItem;
- assert( pThis->pSelect!=0 );
- if( pThis->pSelect->selFlags & SF_PushDown ) return 0;
+ assert( pThis->sq.pSelect!=0 );
+ if( pThis->sq.pSelect->selFlags & SF_PushDown ) return 0;
while( iFirst<iEnd ){
Select *pS1;
pItem = &pTabList->a[iFirst++];
- if( pItem->pSelect==0 ) continue;
+ if( pItem->sq.pSelect==0 ) continue;
if( pItem->fg.viaCoroutine ) continue;
if( pItem->zName==0 ) continue;
- assert( pItem->pTab!=0 );
- assert( pThis->pTab!=0 );
- if( pItem->pTab->pSchema!=pThis->pTab->pSchema ) continue;
+ assert( pItem->pSTab!=0 );
+ assert( pThis->pSTab!=0 );
+ if( pItem->pSTab->pSchema!=pThis->pSTab->pSchema ) continue;
if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue;
- pS1 = pItem->pSelect;
- if( pItem->pTab->pSchema==0 && pThis->pSelect->selId!=pS1->selId ){
+ pS1 = pItem->sq.pSelect;
+ if( pItem->pSTab->pSchema==0 && pThis->sq.pSelect->selId!=pS1->selId ){
/* The query flattener left two different CTE tables with identical
** names in the same FROM clause. */
continue;
}
- if( pItem->pSelect->selFlags & SF_PushDown ){
+ if( pItem->sq.pSelect->selFlags & SF_PushDown ){
/* The view was modified by some other optimization such as
** pushDownWhereTerms() */
continue;
@@ -7160,7 +7161,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){
if( pExpr->x.pList!=0 ) return 0; /* Must be count(*) */
if( p->pSrc->nSrc!=1 ) return 0; /* One table in FROM */
if( ExprHasProperty(pExpr, EP_WinFunc) ) return 0;/* Not a window function */
- pSub = p->pSrc->a[0].pSelect;
+ pSub = p->pSrc->a[0].sq.pSelect;
if( pSub==0 ) return 0; /* The FROM is a subquery */
if( pSub->pPrior==0 ) return 0; /* Must be a compound */
if( pSub->selFlags & SF_CopyCte ) return 0; /* Not a CTE */
@@ -7178,8 +7179,8 @@ static int countOfViewOptimization(Parse *pParse, Select *p){
db = pParse->db;
pCount = pExpr;
pExpr = 0;
- pSub = p->pSrc->a[0].pSelect;
- p->pSrc->a[0].pSelect = 0;
+ pSub = p->pSrc->a[0].sq.pSelect;
+ p->pSrc->a[0].sq.pSelect = 0;
sqlite3SrcListDelete(db, p->pSrc);
p->pSrc = sqlite3DbMallocZero(pParse->db, sizeof(*p->pSrc));
while( pSub ){
@@ -7224,12 +7225,12 @@ static int sameSrcAlias(SrcItem *p0, SrcList *pSrc){
for(i=0; i<pSrc->nSrc; i++){
SrcItem *p1 = &pSrc->a[i];
if( p1==p0 ) continue;
- if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){
+ if( p0->pSTab==p1->pSTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){
return 1;
}
- if( p1->pSelect
- && (p1->pSelect->selFlags & SF_NestedFrom)!=0
- && sameSrcAlias(p0, p1->pSelect->pSrc)
+ if( p1->sq.pSelect
+ && (p1->sq.pSelect->selFlags & SF_NestedFrom)!=0
+ && sameSrcAlias(p0, p1->sq.pSelect->pSrc)
){
return 1;
}
@@ -7294,7 +7295,7 @@ static int fromClauseTermCanBeCoroutine(
if( i==0 ) break;
i--;
pItem--;
- if( pItem->pSelect!=0 ) return 0; /* (1c-i) */
+ if( pItem->sq.pSelect!=0 ) return 0; /* (1c-i) */
}
return 1;
}
@@ -7405,7 +7406,7 @@ int sqlite3Select(
if( sameSrcAlias(p0, p->pSrc) ){
sqlite3ErrorMsg(pParse,
"target object/alias may not appear in FROM clause: %s",
- p0->zAlias ? p0->zAlias : p0->pTab->zName
+ p0->zAlias ? p0->zAlias : p0->pSTab->zName
);
goto select_end;
}
@@ -7444,8 +7445,8 @@ int sqlite3Select(
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
for(i=0; !p->pPrior && i<pTabList->nSrc; i++){
SrcItem *pItem = &pTabList->a[i];
- Select *pSub = pItem->pSelect;
- Table *pTab = pItem->pTab;
+ Select *pSub = pItem->sq.pSelect;
+ Table *pTab = pItem->pSTab;
/* The expander should have already created transient Table objects
** even for FROM clause elements such as subqueries that do not correspond
@@ -7698,11 +7699,11 @@ int sqlite3Select(
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
/* Generate code for all sub-queries in the FROM clause
*/
- pSub = pItem->pSelect;
- if( pSub==0 || pItem->addrFillSub!=0 ) continue;
+ pSub = pItem->sq.pSelect;
+ if( pSub==0 || pItem->sq.addrFillSub!=0 ) continue;
/* The code for a subquery should only be generated once. */
- assert( pItem->addrFillSub==0 );
+ assert( pItem->sq.addrFillSub==0 );
/* Increment Parse.nHeight by the height of the largest expression
** tree referred to by this, the parent select. The child select
@@ -7728,7 +7729,8 @@ int sqlite3Select(
sqlite3TreeViewSelect(0, p, 0);
}
#endif
- assert( pItem->pSelect && (pItem->pSelect->selFlags & SF_PushDown)!=0 );
+ assert( pItem->sq.pSelect
+ && (pItem->sq.pSelect->selFlags & SF_PushDown)!=0 );
}else{
TREETRACE(0x4000,pParse,p,("WHERE-lcause push-down not possible\n"));
}
@@ -7760,17 +7762,17 @@ int sqlite3Select(
*/
int addrTop = sqlite3VdbeCurrentAddr(v)+1;
- pItem->regReturn = ++pParse->nMem;
- sqlite3VdbeAddOp3(v, OP_InitCoroutine, pItem->regReturn, 0, addrTop);
+ pItem->sq.regReturn = ++pParse->nMem;
+ sqlite3VdbeAddOp3(v, OP_InitCoroutine, pItem->sq.regReturn, 0, addrTop);
VdbeComment((v, "%!S", pItem));
- pItem->addrFillSub = addrTop;
- sqlite3SelectDestInit(&dest, SRT_Coroutine, pItem->regReturn);
+ pItem->sq.addrFillSub = addrTop;
+ sqlite3SelectDestInit(&dest, SRT_Coroutine, pItem->sq.regReturn);
ExplainQueryPlan((pParse, 1, "CO-ROUTINE %!S", pItem));
sqlite3Select(pParse, pSub, &dest);
- pItem->pTab->nRowLogEst = pSub->nSelectRow;
+ pItem->pSTab->nRowLogEst = pSub->nSelectRow;
pItem->fg.viaCoroutine = 1;
- pItem->regResult = dest.iSdst;
- sqlite3VdbeEndCoroutine(v, pItem->regReturn);
+ pItem->sq.regResult = dest.iSdst;
+ sqlite3VdbeEndCoroutine(v, pItem->sq.regReturn);
sqlite3VdbeJumpHere(v, addrTop-1);
sqlite3ClearTempRegCache(pParse);
}else if( pItem->fg.isCte && pItem->u2.pCteUse->addrM9e>0 ){
@@ -7788,11 +7790,12 @@ int sqlite3Select(
}else if( (pPrior = isSelfJoinView(pTabList, pItem, 0, i))!=0 ){
/* This view has already been materialized by a prior entry in
** this same FROM clause. Reuse it. */
- if( pPrior->addrFillSub ){
- sqlite3VdbeAddOp2(v, OP_Gosub, pPrior->regReturn, pPrior->addrFillSub);
+ if( pPrior->sq.addrFillSub ){
+ sqlite3VdbeAddOp2(v, OP_Gosub, pPrior->sq.regReturn,
+ pPrior->sq.addrFillSub);
}
sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pPrior->iCursor);
- pSub->nSelectRow = pPrior->pSelect->nSelectRow;
+ pSub->nSelectRow = pPrior->sq.pSelect->nSelectRow;
}else{
/* Materialize the view. If the view is not correlated, generate a
** subroutine to do the materialization so that subsequent uses of
@@ -7803,9 +7806,9 @@ int sqlite3Select(
int addrExplain;
#endif
- pItem->regReturn = ++pParse->nMem;
+ pItem->sq.regReturn = ++pParse->nMem;
topAddr = sqlite3VdbeAddOp0(v, OP_Goto);
- pItem->addrFillSub = topAddr+1;
+ pItem->sq.addrFillSub = topAddr+1;
pItem->fg.isMaterialized = 1;
if( pItem->fg.isCorrelated==0 ){
/* If the subquery is not correlated and if we are not inside of
@@ -7820,17 +7823,17 @@ int sqlite3Select(
ExplainQueryPlan2(addrExplain, (pParse, 1, "MATERIALIZE %!S", pItem));
sqlite3Select(pParse, pSub, &dest);
- pItem->pTab->nRowLogEst = pSub->nSelectRow;
+ pItem->pSTab->nRowLogEst = pSub->nSelectRow;
if( onceAddr ) sqlite3VdbeJumpHere(v, onceAddr);
- sqlite3VdbeAddOp2(v, OP_Return, pItem->regReturn, topAddr+1);
+ sqlite3VdbeAddOp2(v, OP_Return, pItem->sq.regReturn, topAddr+1);
VdbeComment((v, "end %!S", pItem));
sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1);
sqlite3VdbeJumpHere(v, topAddr);
sqlite3ClearTempRegCache(pParse);
if( pItem->fg.isCte && pItem->fg.isCorrelated==0 ){
CteUse *pCteUse = pItem->u2.pCteUse;
- pCteUse->addrM9e = pItem->addrFillSub;
- pCteUse->regRtn = pItem->regReturn;
+ pCteUse->addrM9e = pItem->sq.addrFillSub;
+ pCteUse->regRtn = pItem->sq.regReturn;
pCteUse->iCur = pItem->iCursor;
pCteUse->nRowEst = pSub->nSelectRow;
}
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 75e1f6120..54e4f2db7 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3295,15 +3295,23 @@ struct IdList {
**
** u2.pIBIndex fg.isIndexedBy && !fg.isCte
** u2.pCteUse fg.isCte && !fg.isIndexedBy
+**
+** u3.pOn fg.isUsing==0
+** u3.pUsing fg.isUsing==1
+**
+** u4.zDatabase fg.fixedSchema==0
+** u4.pSchema fg.fixedSchema==1
*/
struct SrcItem {
char *zName; /* Name of the table */
char *zAlias; /* The "B" part of a "A AS B" phrase. zName is the "A" */
- Table *pTab; /* An SQL table corresponding to zName */
- Select *pSelect; /* A SELECT statement used in place of a table name */
- int addrFillSub; /* Address of subroutine to initialize a subquery */
- int regReturn; /* Register holding return address of addrFillSub */
- int regResult; /* Registers holding results of a co-routine */
+ Table *pSTab; /* Table object for zName. Mnemonic: Srcitem-TABle */
+ struct SrcItemSubquery {
+ Select *pSelect; /* A SELECT statement used in place of a table name */
+ int addrFillSub; /* Address of subroutine to initialize a subquery */
+ int regReturn; /* Register holding return address of addrFillSub */
+ int regResult; /* Registers holding results of a co-routine */
+ } sq;
struct {
u8 jointype; /* Type of join between this table and the previous */
unsigned notIndexed :1; /* True if there is a NOT INDEXED clause */
diff --git a/src/treeview.c b/src/treeview.c
index 3960d2859..0c9fdc526 100644
--- a/src/treeview.c
+++ b/src/treeview.c
@@ -193,9 +193,9 @@ void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc){
sqlite3StrAccumInit(&x, 0, zLine, sizeof(zLine), 0);
x.printfFlags |= SQLITE_PRINTF_INTERNAL;
sqlite3_str_appendf(&x, "{%d:*} %!S", pItem->iCursor, pItem);
- if( pItem->pTab ){
+ if( pItem->pSTab ){
sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p used=%llx%s",
- pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab,
+ pItem->pSTab->zName, pItem->pSTab->nCol, pItem->pSTab,
pItem->colUsed,
pItem->fg.rowidUsed ? "+rowid" : "");
}
@@ -230,19 +230,19 @@ void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc){
sqlite3StrAccumFinish(&x);
sqlite3TreeViewItem(pView, zLine, i<pSrc->nSrc-1);
n = 0;
- if( pItem->pSelect ) n++;
+ if( pItem->sq.pSelect ) n++;
if( pItem->fg.isTabFunc ) n++;
if( pItem->fg.isUsing ) n++;
if( pItem->fg.isUsing ){
sqlite3TreeViewIdList(pView, pItem->u3.pUsing, (--n)>0, "USING");
}
- if( pItem->pSelect ){
- if( pItem->pTab ){
- Table *pTab = pItem->pTab;
+ if( pItem->sq.pSelect ){
+ if( pItem->pSTab ){
+ Table *pTab = pItem->pSTab;
sqlite3TreeViewColumnList(pView, pTab->aCol, pTab->nCol, 1);
}
- assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->pSelect) );
- sqlite3TreeViewSelect(pView, pItem->pSelect, (--n)>0);
+ assert( (int)pItem->fg.isNestedFrom == IsNestedFrom(pItem->sq.pSelect) );
+ sqlite3TreeViewSelect(pView, pItem->sq.pSelect, (--n)>0);
}
if( pItem->fg.isTabFunc ){
sqlite3TreeViewExprList(pView, pItem->u1.pFuncArg, 0, "func-args:");
diff --git a/src/trigger.c b/src/trigger.c
index a5a57abf1..170f094ea 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -984,7 +984,7 @@ static int sqlite3ReturningSubqueryCorrelated(Walker *pWalker, Select *pSelect){
pSrc = pSelect->pSrc;
assert( pSrc!=0 );
for(i=0; i<pSrc->nSrc; i++){
- if( pSrc->a[i].pTab==pWalker->u.pTab ){
+ if( pSrc->a[i].pSTab==pWalker->u.pTab ){
testcase( pSelect->selFlags & SF_Correlated );
pSelect->selFlags |= SF_Correlated;
pWalker->eCode = 1;
@@ -1055,7 +1055,7 @@ static void codeReturningTrigger(
sSelect.pEList = sqlite3ExprListDup(db, pReturning->pReturnEL, 0);
sSelect.pSrc = &sFrom;
sFrom.nSrc = 1;
- sFrom.a[0].pTab = pTab;
+ sFrom.a[0].pSTab = pTab;
sFrom.a[0].zName = pTab->zName; /* tag-20240424-1 */
sFrom.a[0].iCursor = -1;
sqlite3SelectPrep(pParse, &sSelect, 0);
diff --git a/src/update.c b/src/update.c
index b6068caa7..a8e7f7780 100644
--- a/src/update.c
+++ b/src/update.c
@@ -202,7 +202,7 @@ static void updateFromSelect(
Expr *pLimit2 = 0;
ExprList *pOrderBy2 = 0;
sqlite3 *db = pParse->db;
- Table *pTab = pTabList->a[0].pTab;
+ Table *pTab = pTabList->a[0].pSTab;
SrcList *pSrc;
Expr *pWhere2;
int eDest;
@@ -226,8 +226,8 @@ static void updateFromSelect(
if( pSrc ){
assert( pSrc->a[0].fg.notCte );
pSrc->a[0].iCursor = -1;
- pSrc->a[0].pTab->nTabRef--;
- pSrc->a[0].pTab = 0;
+ pSrc->a[0].pSTab->nTabRef--;
+ pSrc->a[0].pSTab = 0;
}
if( pPk ){
for(i=0; i<pPk->nKeyCol; i++){
diff --git a/src/upsert.c b/src/upsert.c
index f74d4fabf..82295d52a 100644
--- a/src/upsert.c
+++ b/src/upsert.c
@@ -104,7 +104,7 @@ int sqlite3UpsertAnalyzeTarget(
int nClause = 0; /* Counter of ON CONFLICT clauses */
assert( pTabList->nSrc==1 );
- assert( pTabList->a[0].pTab!=0 );
+ assert( pTabList->a[0].pSTab!=0 );
assert( pUpsert!=0 );
assert( pUpsert->pUpsertTarget!=0 );
@@ -123,7 +123,7 @@ int sqlite3UpsertAnalyzeTarget(
if( rc ) return rc;
/* Check to see if the conflict target matches the rowid. */
- pTab = pTabList->a[0].pTab;
+ pTab = pTabList->a[0].pSTab;
pTarget = pUpsert->pUpsertTarget;
iCursor = pTabList->a[0].iCursor;
if( HasRowid(pTab)
diff --git a/src/walker.c b/src/walker.c
index 0fe4a1d37..27963c223 100644
--- a/src/walker.c
+++ b/src/walker.c
@@ -171,7 +171,7 @@ int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){
pSrc = p->pSrc;
if( ALWAYS(pSrc) ){
for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
- if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){
+ if( pItem->sq.pSelect && sqlite3WalkSelect(pWalker, pItem->sq.pSelect) ){
return WRC_Abort;
}
if( pItem->fg.isTabFunc
diff --git a/src/where.c b/src/where.c
index 631b7581f..ded5f0681 100644
--- a/src/where.c
+++ b/src/where.c
@@ -644,7 +644,7 @@ static int isDistinctRedundant(
** clause is redundant. */
if( pTabList->nSrc!=1 ) return 0;
iBase = pTabList->a[0].iCursor;
- pTab = pTabList->a[0].pTab;
+ pTab = pTabList->a[0].pSTab;
/* If any of the expressions is an IPK column on table iBase, then return
** true. Note: The (p->iTable==iBase) part of this test may be false if the
@@ -908,10 +908,10 @@ static int termCanDriveIndex(
assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 );
leftCol = pTerm->u.x.leftColumn;
if( leftCol<0 ) return 0;
- aff = pSrc->pTab->aCol[leftCol].affinity;
+ aff = pSrc->pSTab->aCol[leftCol].affinity;
if( !sqlite3IndexAffinityOk(pTerm->pExpr, aff) ) return 0;
testcase( pTerm->pExpr->op==TK_IS );
- return columnIsGoodIndexCandidate(pSrc->pTab, leftCol);
+ return columnIsGoodIndexCandidate(pSrc->pSTab, leftCol);
}
#endif
@@ -1019,7 +1019,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex(
nKeyCol = 0;
pTabList = pWC->pWInfo->pTabList;
pSrc = &pTabList->a[pLevel->iFrom];
- pTable = pSrc->pTab;
+ pTable = pSrc->pSTab;
pWCEnd = &pWC->a[pWC->nTerm];
pLoop = pLevel->pWLoop;
idxCols = 0;
@@ -1161,12 +1161,12 @@ static SQLITE_NOINLINE void constructAutomaticIndex(
/* Fill the automatic index with content */
assert( pSrc == &pWC->pWInfo->pTabList->a[pLevel->iFrom] );
if( pSrc->fg.viaCoroutine ){
- int regYield = pSrc->regReturn;
+ int regYield = pSrc->sq.regReturn;
addrCounter = sqlite3VdbeAddOp2(v, OP_Integer, 0, 0);
- sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pSrc->addrFillSub);
+ sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pSrc->sq.addrFillSub);
addrTop = sqlite3VdbeAddOp1(v, OP_Yield, regYield);
VdbeCoverage(v);
- VdbeComment((v, "next row of %s", pSrc->pTab->zName));
+ VdbeComment((v, "next row of %s", pSrc->pSTab->zName));
}else{
addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v);
}
@@ -1192,7 +1192,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex(
testcase( pParse->db->mallocFailed );
assert( pLevel->iIdxCur>0 );
translateColumnToCopy(pParse, addrTop, pLevel->iTabCur,
- pSrc->regResult, pLevel->iIdxCur);
+ pSrc->sq.regResult, pLevel->iIdxCur);
sqlite3VdbeGoto(v, addrTop);
pSrc->fg.viaCoroutine = 0;
}else{
@@ -1283,7 +1283,7 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter(
iSrc = pLevel->iFrom;
pItem = &pTabList->a[iSrc];
assert( pItem!=0 );
- pTab = pItem->pTab;
+ pTab = pItem->pSTab;
assert( pTab!=0 );
sz = sqlite3LogEstToInt(pTab->nRowLogEst);
if( sz<10000 ){
@@ -1314,7 +1314,7 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter(
int r1 = sqlite3GetTempRange(pParse, n);
int jj;
for(jj=0; jj<n; jj++){
- assert( pIdx->pTable==pItem->pTab );
+ assert( pIdx->pTable==pItem->pSTab );
sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iCur, jj, r1+jj);
}
sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, r1, n);
@@ -1395,7 +1395,7 @@ static sqlite3_index_info *allocateIndexInfo(
WhereClause *p;
assert( pSrc!=0 );
- pTab = pSrc->pTab;
+ pTab = pSrc->pSTab;
assert( pTab!=0 );
assert( IsVirtual(pTab) );
@@ -2403,7 +2403,7 @@ void sqlite3WhereLoopPrint(const WhereLoop *p, const WhereClause *pWC){
WhereInfo *pWInfo = pWC->pWInfo;
int nb = 1+(pWInfo->pTabList->nSrc+3)/4;
SrcItem *pItem = pWInfo->pTabList->a + p->iTab;
- Table *pTab = pItem->pTab;
+ Table *pTab = pItem->pSTab;
Bitmask mAll = (((Bitmask)1)<<(nb*4)) - 1;
sqlite3DebugPrintf("%c%2d.%0*llx.%0*llx", p->cId,
p->iTab, nb, p->maskSelf, nb, p->prereq & mAll);
@@ -3391,7 +3391,7 @@ static int whereLoopAddBtreeIndex(
** 2. Stepping forward in the index pNew->nOut times to find all
** additional matching entries.
*/
- assert( pSrc->pTab->szTabRow>0 );
+ assert( pSrc->pSTab->szTabRow>0 );
if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){
/* The pProbe->szIdxRow is low for an IPK table since the interior
** pages are small. Thus szIdxRow gives a good estimate of seek cost.
@@ -3399,7 +3399,7 @@ static int whereLoopAddBtreeIndex(
** under-estimate the scanning cost. */
rCostIdx = pNew->nOut + 16;
}else{
- rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow;
+ rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pSTab->szTabRow;
}
rCostIdx = sqlite3LogEstAdd(rLogSize, rCostIdx);
@@ -3864,9 +3864,9 @@ static int whereLoopAddBtree(
pWInfo = pBuilder->pWInfo;
pTabList = pWInfo->pTabList;
pSrc = pTabList->a + pNew->iTab;
- pTab = pSrc->pTab;
+ pTab = pSrc->pSTab;
pWC = pBuilder->pWC;
- assert( !IsVirtual(pSrc->pTab) );
+ assert( !IsVirtual(pSrc->pSTab) );
if( pSrc->fg.isIndexedBy ){
assert( pSrc->fg.isCte==0 );
@@ -3891,7 +3891,7 @@ static int whereLoopAddBtree(
sPk.idxType = SQLITE_IDXTYPE_IPK;
aiRowEstPk[0] = pTab->nRowLogEst;
aiRowEstPk[1] = 0;
- pFirst = pSrc->pTab->pIndex;
+ pFirst = pSrc->pSTab->pIndex;
if( pSrc->fg.notIndexed==0 ){
/* The real indices of the table are only considered if the
** NOT INDEXED qualifier is omitted from the FROM clause */
@@ -4010,9 +4010,9 @@ static int whereLoopAddBtree(
#endif
ApplyCostMultiplier(pNew->rRun, pTab->costMult);
whereLoopOutputAdjust(pWC, pNew, rSize);
- if( pSrc->pSelect ){
+ if( pSrc->sq.pSelect ){
if( pSrc->fg.viaCoroutine ) pNew->wsFlags |= WHERE_COROUTINE;
- pNew->u.btree.pOrderBy = pSrc->pSelect->pOrderBy;
+ pNew->u.btree.pOrderBy = pSrc->sq.pSelect->pOrderBy;
}
rc = whereLoopInsert(pBuilder, pNew);
pNew->nOut = rSize;
@@ -4238,7 +4238,7 @@ static int whereLoopAddVirtualOne(
pHidden->mHandleIn = 0;
/* Invoke the virtual table xBestIndex() method */
- rc = vtabBestIndex(pParse, pSrc->pTab, pIdxInfo);
+ rc = vtabBestIndex(pParse, pSrc->pSTab, pIdxInfo);
if( rc ){
if( rc==SQLITE_CONSTRAINT ){
/* If the xBestIndex method returns SQLITE_CONSTRAINT, that means
@@ -4268,7 +4268,7 @@ static int whereLoopAddVirtualOne(
|| pNew->aLTerm[iTerm]!=0
|| pIdxCons->usable==0
){
- sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName);
+ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pSTab->zName);
freeIdxStr(pIdxInfo);
return SQLITE_ERROR;
}
@@ -4331,7 +4331,7 @@ static int whereLoopAddVirtualOne(
if( pNew->aLTerm[i]==0 ){
/* The non-zero argvIdx values must be contiguous. Raise an
** error if they are not */
- sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName);
+ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pSTab->zName);
freeIdxStr(pIdxInfo);
return SQLITE_ERROR;
}
@@ -4533,7 +4533,7 @@ static int whereLoopAddVirtual(
pWC = pBuilder->pWC;
pNew = pBuilder->pNew;
pSrc = &pWInfo->pTabList->a[pNew->iTab];
- assert( IsVirtual(pSrc->pTab) );
+ assert( IsVirtual(pSrc->pSTab) );
p = allocateIndexInfo(pWInfo, pWC, mUnusable, pSrc, &mNoOmit);
if( p==0 ) return SQLITE_NOMEM_BKPT;
pNew->rSetup = 0;
@@ -4547,7 +4547,7 @@ static int whereLoopAddVirtual(
}
/* First call xBestIndex() with all constraints usable. */
- WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pTab->zName));
+ WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pSTab->zName));
WHERETRACE(0x800, (" VirtualOne: all usable\n"));
rc = whereLoopAddVirtualOne(
pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn, &bRetry
@@ -4629,7 +4629,7 @@ static int whereLoopAddVirtual(
}
freeIndexInfo(pParse->db, p);
- WHERETRACE(0x800, ("END %s.addVirtual(), rc=%d\n", pSrc->pTab->zName, rc));
+ WHERETRACE(0x800, ("END %s.addVirtual(), rc=%d\n", pSrc->pSTab->zName, rc));
return rc;
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */
@@ -4701,7 +4701,7 @@ static int whereLoopAddOr(
}
#endif
#ifndef SQLITE_OMIT_VIRTUALTABLE
- if( IsVirtual(pItem->pTab) ){
+ if( IsVirtual(pItem->pSTab) ){
rc = whereLoopAddVirtual(&sSubBuild, mPrereq, mUnusable);
}else
#endif
@@ -4815,7 +4815,7 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){
mPrereq = 0;
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
- if( IsVirtual(pItem->pTab) ){
+ if( IsVirtual(pItem->pSTab) ){
SrcItem *p;
for(p=&pItem[1]; p<pEnd; p++){
if( mUnusable || (p->fg.jointype & (JT_OUTER|JT_CROSS)) ){
@@ -5451,7 +5451,7 @@ static int computeMxChoice(WhereInfo *pWInfo, LogEst nRowEst){
if( sqlite3WhereTrace&0x4 ){
SrcItem *pItem = pWInfo->pTabList->a + iLoop;
sqlite3DebugPrintf("Fact-table %s: %d dimensions, cost reduced %d\n",
- pItem->zAlias ? pItem->zAlias : pItem->pTab->zName,
+ pItem->zAlias ? pItem->zAlias : pItem->pSTab->zName,
nDep, rDelta);
}
#endif
@@ -6001,7 +6001,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){
if( pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE ) return 0;
assert( pWInfo->pTabList->nSrc>=1 );
pItem = pWInfo->pTabList->a;
- pTab = pItem->pTab;
+ pTab = pItem->pSTab;
if( IsVirtual(pTab) ) return 0;
if( pItem->fg.isIndexedBy || pItem->fg.notIndexed ){
testcase( pItem->fg.isIndexedBy );
@@ -6264,7 +6264,7 @@ static SQLITE_NOINLINE void whereCheckIfBloomFilterIsUseful(
WhereLoop *pLoop = pWInfo->a[i].pWLoop;
const unsigned int reqFlags = (WHERE_SELFCULL|WHERE_COLUMN_EQ);
SrcItem *pItem = &pWInfo->pTabList->a[pLoop->iTab];
- Table *pTab = pItem->pTab;
+ Table *pTab = pItem->pSTab;
if( (pTab->tabFlags & TF_HasStat1)==0 ) break;
pTab->tabFlags |= TF_MaybeReanalyze;
if( i>=1
@@ -6421,8 +6421,8 @@ static SQLITE_NOINLINE void whereReverseScanOrder(WhereInfo *pWInfo){
SrcItem *pItem = &pWInfo->pTabList->a[ii];
if( !pItem->fg.isCte
|| pItem->u2.pCteUse->eM10d!=M10d_Yes
- || NEVER(pItem->pSelect==0)
- || pItem->pSelect->pOrderBy==0
+ || NEVER(pItem->sq.pSelect==0)
+ || pItem->sq.pSelect->pOrderBy==0
){
pWInfo->revMask |= MASKBIT(ii);
}
@@ -6912,15 +6912,15 @@ WhereInfo *sqlite3WhereBegin(
if( (wctrlFlags & WHERE_ONEPASS_DESIRED)!=0 ){
int wsFlags = pWInfo->a[0].pWLoop->wsFlags;
int bOnerow = (wsFlags & WHERE_ONEROW)!=0;
- assert( !(wsFlags & WHERE_VIRTUALTABLE) || IsVirtual(pTabList->a[0].pTab) );
+ assert( !(wsFlags&WHERE_VIRTUALTABLE) || IsVirtual(pTabList->a[0].pSTab) );
if( bOnerow || (
0!=(wctrlFlags & WHERE_ONEPASS_MULTIROW)
- && !IsVirtual(pTabList->a[0].pTab)
+ && !IsVirtual(pTabList->a[0].pSTab)
&& (0==(wsFlags & WHERE_MULTI_OR) || (wctrlFlags & WHERE_DUPLICATES_OK))
&& OptimizationEnabled(db, SQLITE_OnePass)
)){
pWInfo->eOnePass = bOnerow ? ONEPASS_SINGLE : ONEPASS_MULTI;
- if( HasRowid(pTabList->a[0].pTab) && (wsFlags & WHERE_IDX_ONLY) ){
+ if( HasRowid(pTabList->a[0].pSTab) && (wsFlags & WHERE_IDX_ONLY) ){
if( wctrlFlags & WHERE_ONEPASS_MULTIROW ){
bFordelete = OPFLAG_FORDELETE;
}
@@ -6938,7 +6938,7 @@ WhereInfo *sqlite3WhereBegin(
SrcItem *pTabItem;
pTabItem = &pTabList->a[pLevel->iFrom];
- pTab = pTabItem->pTab;
+ pTab = pTabItem->pSTab;
iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
pLoop = pLevel->pWLoop;
if( (pTab->tabFlags & TF_Ephemeral)!=0 || IsView(pTab) ){
@@ -7009,7 +7009,7 @@ WhereInfo *sqlite3WhereBegin(
iIndexCur = pLevel->iTabCur;
op = 0;
}else if( pWInfo->eOnePass!=ONEPASS_OFF ){
- Index *pJ = pTabItem->pTab->pIndex;
+ Index *pJ = pTabItem->pSTab->pIndex;
iIndexCur = iAuxArg;
assert( wctrlFlags & WHERE_ONEPASS_DESIRED );
while( ALWAYS(pJ) && pJ!=pIx ){
@@ -7076,7 +7076,7 @@ WhereInfo *sqlite3WhereBegin(
sqlite3VdbeAddOp2(v, OP_Blob, 65536, pRJ->regBloom);
pRJ->regReturn = ++pParse->nMem;
sqlite3VdbeAddOp2(v, OP_Null, 0, pRJ->regReturn);
- assert( pTab==pTabItem->pTab );
+ assert( pTab==pTabItem->pSTab );
if( HasRowid(pTab) ){
KeyInfo *pInfo;
sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pRJ->iMatch, 1);
@@ -7116,10 +7116,10 @@ WhereInfo *sqlite3WhereBegin(
pSrc = &pTabList->a[pLevel->iFrom];
if( pSrc->fg.isMaterialized ){
if( pSrc->fg.isCorrelated ){
- sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->regReturn, pSrc->addrFillSub);
+ sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->sq.regReturn,pSrc->sq.addrFillSub);
}else{
int iOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);
- sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->regReturn, pSrc->addrFillSub);
+ sqlite3VdbeAddOp2(v, OP_Gosub, pSrc->sq.regReturn,pSrc->sq.addrFillSub);
sqlite3VdbeJumpHere(v, iOnce);
}
}
@@ -7334,9 +7334,9 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
assert( pLevel->iTabCur==pSrc->iCursor );
if( pSrc->fg.viaCoroutine ){
int m, n;
- n = pSrc->regResult;
- assert( pSrc->pTab!=0 );
- m = pSrc->pTab->nCol;
+ n = pSrc->sq.regResult;
+ assert( pSrc->pSTab!=0 );
+ m = pSrc->pSTab->nCol;
sqlite3VdbeAddOp3(v, OP_Null, 0, n, n+m-1);
}
sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iTabCur);
@@ -7360,7 +7360,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
sqlite3VdbeJumpHere(v, addr);
}
VdbeModuleComment((v, "End WHERE-loop%d: %s", i,
- pWInfo->pTabList->a[pLevel->iFrom].pTab->zName));
+ pWInfo->pTabList->a[pLevel->iFrom].pSTab->zName));
}
assert( pWInfo->nLevel<=pTabList->nSrc );
@@ -7369,7 +7369,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
VdbeOp *pOp, *pLastOp;
Index *pIdx = 0;
SrcItem *pTabItem = &pTabList->a[pLevel->iFrom];
- Table *pTab = pTabItem->pTab;
+ Table *pTab = pTabItem->pSTab;
assert( pTab!=0 );
pLoop = pLevel->pWLoop;
@@ -7388,9 +7388,9 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
*/
if( pTabItem->fg.viaCoroutine ){
testcase( pParse->db->mallocFailed );
- assert( pTabItem->regResult>=0 );
+ assert( pTabItem->sq.regResult>=0 );
translateColumnToCopy(pParse, pLevel->addrBody, pLevel->iTabCur,
- pTabItem->regResult, 0);
+ pTabItem->sq.regResult, 0);
continue;
}
diff --git a/src/wherecode.c b/src/wherecode.c
index 098af7375..ebc71d110 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -157,7 +157,7 @@ int sqlite3WhereExplainOneScan(
assert( pLoop->u.btree.pIndex!=0 );
pIdx = pLoop->u.btree.pIndex;
assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
- if( !HasRowid(pItem->pTab) && IsPrimaryKeyIndex(pIdx) ){
+ if( !HasRowid(pItem->pSTab) && IsPrimaryKeyIndex(pIdx) ){
if( isSearch ){
zFmt = "PRIMARY KEY";
}
@@ -254,7 +254,7 @@ int sqlite3WhereExplainBloomFilter(
sqlite3_str_appendf(&str, "BLOOM FILTER ON %S (", pItem);
pLoop = pLevel->pWLoop;
if( pLoop->wsFlags & WHERE_IPK ){
- const Table *pTab = pItem->pTab;
+ const Table *pTab = pItem->pSTab;
if( pTab->iPKey>=0 ){
sqlite3_str_appendf(&str, "%s=?", pTab->aCol[pTab->iPKey].zCnName);
}else{
@@ -317,7 +317,7 @@ void sqlite3WhereAddScanStatus(
sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur);
}
}else{
- int addr = pSrclist->a[pLvl->iFrom].addrFillSub;
+ int addr = pSrclist->a[pLvl->iFrom].sq.addrFillSub;
VdbeOp *pOp = sqlite3VdbeGetOp(v, addr-1);
assert( sqlite3VdbeDb(v)->mallocFailed || pOp->opcode==OP_InitCoroutine );
assert( sqlite3VdbeDb(v)->mallocFailed || pOp->p2>addr );
@@ -1454,7 +1454,8 @@ Bitmask sqlite3WhereCodeOneLoopStart(
iCur = pTabItem->iCursor;
pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur);
bRev = (pWInfo->revMask>>iLevel)&1;
- VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName));
+ VdbeModuleComment((v, "Begin WHERE-loop%d: %s",
+ iLevel, pTabItem->pSTab->zName));
#if WHERETRACE_ENABLED /* 0x4001 */
if( sqlite3WhereTrace & 0x1 ){
sqlite3DebugPrintf("Coding level %d of %d: notReady=%llx iFrom=%d\n",
@@ -1509,11 +1510,11 @@ Bitmask sqlite3WhereCodeOneLoopStart(
/* Special case of a FROM clause subquery implemented as a co-routine */
if( pTabItem->fg.viaCoroutine ){
- int regYield = pTabItem->regReturn;
- sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pTabItem->addrFillSub);
+ int regYield = pTabItem->sq.regReturn;
+ sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield,0,pTabItem->sq.addrFillSub);
pLevel->p2 = sqlite3VdbeAddOp2(v, OP_Yield, regYield, addrBrk);
VdbeCoverage(v);
- VdbeComment((v, "next row of %s", pTabItem->pTab->zName));
+ VdbeComment((v, "next row of %s", pTabItem->pSTab->zName));
pLevel->op = OP_Goto;
}else
@@ -2242,7 +2243,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
int untestedTerms = 0; /* Some terms not completely tested */
int ii; /* Loop counter */
Expr *pAndExpr = 0; /* An ".. AND (...)" expression */
- Table *pTab = pTabItem->pTab;
+ Table *pTab = pTabItem->pSTab;
pTerm = pLoop->aLTerm[0];
assert( pTerm!=0 );
@@ -2701,7 +2702,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
** least once. This is accomplished by storing the PK for the row in
** both the iMatch index and the regBloom Bloom filter.
*/
- pTab = pWInfo->pTabList->a[pLevel->iFrom].pTab;
+ pTab = pWInfo->pTabList->a[pLevel->iFrom].pSTab;
if( HasRowid(pTab) ){
r = sqlite3GetTempRange(pParse, 2);
sqlite3ExprCodeGetColumnOfTable(v, pTab, pLevel->iTabCur, -1, r+1);
@@ -2808,7 +2809,7 @@ SQLITE_NOINLINE void sqlite3WhereRightJoinLoop(
Bitmask mAll = 0;
int k;
- ExplainQueryPlan((pParse, 1, "RIGHT-JOIN %s", pTabItem->pTab->zName));
+ ExplainQueryPlan((pParse, 1, "RIGHT-JOIN %s", pTabItem->pSTab->zName));
sqlite3VdbeNoJumpsOutsideSubrtn(v, pRJ->addrSubrtn, pRJ->endSubrtn,
pRJ->regReturn);
for(k=0; k<iLevel; k++){
@@ -2819,8 +2820,8 @@ SQLITE_NOINLINE void sqlite3WhereRightJoinLoop(
mAll |= pWInfo->a[k].pWLoop->maskSelf;
if( pRight->fg.viaCoroutine ){
sqlite3VdbeAddOp3(
- v, OP_Null, 0, pRight->regResult,
- pRight->regResult + pRight->pSelect->pEList->nExpr-1
+ v, OP_Null, 0, pRight->sq.regResult,
+ pRight->sq.regResult + pRight->sq.pSelect->pEList->nExpr-1
);
}
sqlite3VdbeAddOp1(v, OP_NullRow, pWInfo->a[k].iTabCur);
@@ -2858,7 +2859,7 @@ SQLITE_NOINLINE void sqlite3WhereRightJoinLoop(
int nPk;
int jmp;
int addrCont = sqlite3WhereContinueLabel(pSubWInfo);
- Table *pTab = pTabItem->pTab;
+ Table *pTab = pTabItem->pSTab;
if( HasRowid(pTab) ){
sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, -1, r);
nPk = 1;
diff --git a/src/whereexpr.c b/src/whereexpr.c
index dcda75d26..766754828 100644
--- a/src/whereexpr.c
+++ b/src/whereexpr.c
@@ -958,7 +958,7 @@ static Bitmask exprSelectUsage(WhereMaskSet *pMaskSet, Select *pS){
if( ALWAYS(pSrc!=0) ){
int i;
for(i=0; i<pSrc->nSrc; i++){
- mask |= exprSelectUsage(pMaskSet, pSrc->a[i].pSelect);
+ mask |= exprSelectUsage(pMaskSet, pSrc->a[i].sq.pSelect);
if( pSrc->a[i].fg.isUsing==0 ){
mask |= sqlite3WhereExprUsage(pMaskSet, pSrc->a[i].u3.pOn);
}
@@ -996,7 +996,7 @@ static SQLITE_NOINLINE int exprMightBeIndexed2(
int iCur;
do{
iCur = pFrom->a[j].iCursor;
- for(pIdx=pFrom->a[j].pTab->pIndex; pIdx; pIdx=pIdx->pNext){
+ for(pIdx=pFrom->a[j].pSTab->pIndex; pIdx; pIdx=pIdx->pNext){
if( pIdx->aColExpr==0 ) continue;
for(i=0; i<pIdx->nKeyCol; i++){
if( pIdx->aiColumn[i]!=XN_EXPR ) continue;
@@ -1040,7 +1040,7 @@ static int exprMightBeIndexed(
for(i=0; i<pFrom->nSrc; i++){
Index *pIdx;
- for(pIdx=pFrom->a[i].pTab->pIndex; pIdx; pIdx=pIdx->pNext){
+ for(pIdx=pFrom->a[i].pSTab->pIndex; pIdx; pIdx=pIdx->pNext){
if( pIdx->aColExpr ){
return exprMightBeIndexed2(pFrom,aiCurCol,pExpr,i);
}
@@ -1628,7 +1628,7 @@ void SQLITE_NOINLINE sqlite3WhereAddLimit(WhereClause *pWC, Select *p){
assert( p!=0 && p->pLimit!=0 ); /* 1 -- checked by caller */
if( p->pGroupBy==0
&& (p->selFlags & (SF_Distinct|SF_Aggregate))==0 /* 2 */
- && (p->pSrc->nSrc==1 && IsVirtual(p->pSrc->a[0].pTab)) /* 3 */
+ && (p->pSrc->nSrc==1 && IsVirtual(p->pSrc->a[0].pSTab)) /* 3 */
){
ExprList *pOrderBy = p->pOrderBy;
int iCsr = p->pSrc->a[0].iCursor;
@@ -1849,7 +1849,7 @@ void sqlite3WhereTabFuncArgs(
Expr *pColRef;
Expr *pTerm;
if( pItem->fg.isTabFunc==0 ) return;
- pTab = pItem->pTab;
+ pTab = pItem->pSTab;
assert( pTab!=0 );
pArgs = pItem->u1.pFuncArg;
if( pArgs==0 ) return;
diff --git a/src/window.c b/src/window.c
index e5a78e37d..9829d1740 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1079,7 +1079,7 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){
** sqlite3SrcListAppend() */
if( p->pSrc ){
Table *pTab2;
- p->pSrc->a[0].pSelect = pSub;
+ p->pSrc->a[0].sq.pSelect = pSub;
p->pSrc->a[0].fg.isCorrelated = 1;
sqlite3SrcListAssignCursors(pParse, p->pSrc);
pSub->selFlags |= SF_Expanded|SF_OrderByReqd;
@@ -1093,7 +1093,7 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){
}else{
memcpy(pTab, pTab2, sizeof(Table));
pTab->tabFlags |= TF_Ephemeral;
- p->pSrc->a[0].pTab = pTab;
+ p->pSrc->a[0].pSTab = pTab;
pTab = pTab2;
memset(&w, 0, sizeof(w));
w.xExprCallback = sqlite3WindowExtraAggFuncDepth;
@@ -1389,7 +1389,7 @@ int sqlite3WindowCompare(
** and initialize registers and cursors used by sqlite3WindowCodeStep().
*/
void sqlite3WindowCodeInit(Parse *pParse, Select *pSelect){
- int nEphExpr = pSelect->pSrc->a[0].pSelect->pEList->nExpr;
+ int nEphExpr = pSelect->pSrc->a[0].sq.pSelect->pEList->nExpr;
Window *pMWin = pSelect->pWin;
Window *pWin;
Vdbe *v = sqlite3GetVdbe(pParse);
@@ -2789,7 +2789,7 @@ void sqlite3WindowCodeStep(
Vdbe *v = sqlite3GetVdbe(pParse);
int csrWrite; /* Cursor used to write to eph. table */
int csrInput = p->pSrc->a[0].iCursor; /* Cursor of sub-select */
- int nInput = p->pSrc->a[0].pTab->nCol; /* Number of cols returned by sub */
+ int nInput = p->pSrc->a[0].pSTab->nCol; /* Number of cols returned by sub */
int iInput; /* To iterate through sub cols */
int addrNe; /* Address of OP_Ne */
int addrGosubFlush = 0; /* Address of OP_Gosub to flush: */
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-16 18:03:03 +0000