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Updated SQLite to 3.3.13 - why? I have no idea

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This commit is contained in:
Scott Ehlert
2007-03-21 20:19:37 +00:00
parent eaa4122c5a
commit a004e906dd
55 changed files with 9336 additions and 3963 deletions
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159
dlls/sqlite/sqlite-source/expr.c
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@ -49,6 +49,24 @@ char sqlite3ExprAffinity(Expr *pExpr){
return pExpr->affinity;
}
/*
** Set the collating sequence for expression pExpr to be the collating
** sequence named by pToken. Return a pointer to the revised expression.
** The collating sequence is marked as "explicit" using the EP_ExpCollate
** flag. An explicit collating sequence will override implicit
** collating sequences.
*/
Expr *sqlite3ExprSetColl(Parse *pParse, Expr *pExpr, Token *pName){
CollSeq *pColl;
if( pExpr==0 ) return 0;
pColl = sqlite3LocateCollSeq(pParse, (char*)pName->z, pName->n);
if( pColl ){
pExpr->pColl = pColl;
pExpr->flags |= EP_ExpCollate;
}
return pExpr;
}
/*
** Return the default collation sequence for the expression pExpr. If
** there is no default collation type, return 0.
@ -158,9 +176,20 @@ static int binaryCompareP1(Expr *pExpr1, Expr *pExpr2, int jumpIfNull){
** type.
*/
static CollSeq* binaryCompareCollSeq(Parse *pParse, Expr *pLeft, Expr *pRight){
CollSeq *pColl = sqlite3ExprCollSeq(pParse, pLeft);
if( !pColl ){
pColl = sqlite3ExprCollSeq(pParse, pRight);
CollSeq *pColl;
assert( pLeft );
assert( pRight );
if( pLeft->flags & EP_ExpCollate ){
assert( pLeft->pColl );
pColl = pLeft->pColl;
}else if( pRight->flags & EP_ExpCollate ){
assert( pRight->pColl );
pColl = pRight->pColl;
}else{
pColl = sqlite3ExprCollSeq(pParse, pLeft);
if( !pColl ){
pColl = sqlite3ExprCollSeq(pParse, pRight);
}
}
return pColl;
}
@ -205,8 +234,31 @@ Expr *sqlite3Expr(int op, Expr *pLeft, Expr *pRight, const Token *pToken){
if( pToken ){
assert( pToken->dyn==0 );
pNew->span = pNew->token = *pToken;
}else if( pLeft && pRight ){
sqlite3ExprSpan(pNew, &pLeft->span, &pRight->span);
}else if( pLeft ){
if( pRight ){
sqlite3ExprSpan(pNew, &pLeft->span, &pRight->span);
if( pRight->flags && EP_ExpCollate ){
pNew->flags |= EP_ExpCollate;
pNew->pColl = pRight->pColl;
}
}
if( pLeft->flags && EP_ExpCollate ){
pNew->flags |= EP_ExpCollate;
pNew->pColl = pLeft->pColl;
}
}
return pNew;
}
/*
** Works like sqlite3Expr() but frees its pLeft and pRight arguments
** if it fails due to a malloc problem.
*/
Expr *sqlite3ExprOrFree(int op, Expr *pLeft, Expr *pRight, const Token *pToken){
Expr *pNew = sqlite3Expr(op, pLeft, pRight, pToken);
if( pNew==0 ){
sqlite3ExprDelete(pLeft);
sqlite3ExprDelete(pRight);
}
return pNew;
}
@ -547,12 +599,12 @@ Select *sqlite3SelectDup(Select *p){
pNew->iOffset = -1;
pNew->isResolved = p->isResolved;
pNew->isAgg = p->isAgg;
pNew->usesVirt = 0;
pNew->usesEphm = 0;
pNew->disallowOrderBy = 0;
pNew->pRightmost = 0;
pNew->addrOpenVirt[0] = -1;
pNew->addrOpenVirt[1] = -1;
pNew->addrOpenVirt[2] = -1;
pNew->addrOpenEphm[0] = -1;
pNew->addrOpenEphm[1] = -1;
pNew->addrOpenEphm[2] = -1;
return pNew;
}
#else
@ -877,23 +929,26 @@ static int lookupName(
/* Substitute the rowid (column -1) for the INTEGER PRIMARY KEY */
pExpr->iColumn = j==pTab->iPKey ? -1 : j;
pExpr->affinity = pTab->aCol[j].affinity;
pExpr->pColl = sqlite3FindCollSeq(db, ENC(db), zColl,-1, 0);
if( pItem->jointype & JT_NATURAL ){
/* If this match occurred in the left table of a natural join,
** then skip the right table to avoid a duplicate match */
pItem++;
i++;
if( (pExpr->flags & EP_ExpCollate)==0 ){
pExpr->pColl = sqlite3FindCollSeq(db, ENC(db), zColl,-1, 0);
}
if( (pUsing = pItem->pUsing)!=0 ){
/* If this match occurs on a column that is in the USING clause
** of a join, skip the search of the right table of the join
** to avoid a duplicate match there. */
int k;
for(k=0; k<pUsing->nId; k++){
if( sqlite3StrICmp(pUsing->a[k].zName, zCol)==0 ){
pItem++;
i++;
break;
if( i<pSrcList->nSrc-1 ){
if( pItem[1].jointype & JT_NATURAL ){
/* If this match occurred in the left table of a natural join,
** then skip the right table to avoid a duplicate match */
pItem++;
i++;
}else if( (pUsing = pItem[1].pUsing)!=0 ){
/* If this match occurs on a column that is in the USING clause
** of a join, skip the search of the right table of the join
** to avoid a duplicate match there. */
int k;
for(k=0; k<pUsing->nId; k++){
if( sqlite3StrICmp(pUsing->a[k].zName, zCol)==0 ){
pItem++;
i++;
break;
}
}
}
}
@ -932,7 +987,9 @@ static int lookupName(
cnt++;
pExpr->iColumn = iCol==pTab->iPKey ? -1 : iCol;
pExpr->affinity = pTab->aCol[iCol].affinity;
pExpr->pColl = sqlite3FindCollSeq(db, ENC(db), zColl,-1, 0);
if( (pExpr->flags & EP_ExpCollate)==0 ){
pExpr->pColl = sqlite3FindCollSeq(db, ENC(db), zColl,-1, 0);
}
pExpr->pTab = pTab;
break;
}
@ -1032,7 +1089,7 @@ static int lookupName(
n = sizeof(Bitmask)*8-1;
}
assert( pMatch->iCursor==pExpr->iTable );
pMatch->colUsed |= 1<<n;
pMatch->colUsed |= ((Bitmask)1)<<n;
}
lookupname_end:
@ -1148,6 +1205,7 @@ static int nameResolverStep(void *pArg, Expr *pExpr){
int wrong_num_args = 0; /* True if wrong number of arguments */
int is_agg = 0; /* True if is an aggregate function */
int i;
int auth; /* Authorization to use the function */
int nId; /* Number of characters in function name */
const char *zId; /* The function name. */
FuncDef *pDef; /* Information about the function */
@ -1166,6 +1224,20 @@ static int nameResolverStep(void *pArg, Expr *pExpr){
}else{
is_agg = pDef->xFunc==0;
}
#ifndef SQLITE_OMIT_AUTHORIZATION
if( pDef ){
auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0, pDef->zName, 0);
if( auth!=SQLITE_OK ){
if( auth==SQLITE_DENY ){
sqlite3ErrorMsg(pParse, "not authorized to use function: %s",
pDef->zName);
pNC->nErr++;
}
pExpr->op = TK_NULL;
return 1;
}
}
#endif
if( is_agg && !pNC->allowAgg ){
sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
pNC->nErr++;
@ -1316,7 +1388,7 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
case TK_IN: {
char affinity;
KeyInfo keyInfo;
int addr; /* Address of OP_OpenVirtual instruction */
int addr; /* Address of OP_OpenEphemeral instruction */
affinity = sqlite3ExprAffinity(pExpr->pLeft);
@ -1334,7 +1406,7 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
** is used.
*/
pExpr->iTable = pParse->nTab++;
addr = sqlite3VdbeAddOp(v, OP_OpenVirtual, pExpr->iTable, 0);
addr = sqlite3VdbeAddOp(v, OP_OpenEphemeral, pExpr->iTable, 0);
memset(&keyInfo, 0, sizeof(keyInfo));
keyInfo.nField = 1;
sqlite3VdbeAddOp(v, OP_SetNumColumns, pExpr->iTable, 1);
@ -1367,7 +1439,7 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
struct ExprList_item *pItem;
if( !affinity ){
affinity = SQLITE_AFF_NUMERIC;
affinity = SQLITE_AFF_NONE;
}
keyInfo.aColl[0] = pExpr->pLeft->pColl;
@ -1489,7 +1561,8 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
}else if( pExpr->iColumn>=0 ){
Table *pTab = pExpr->pTab;
int iCol = pExpr->iColumn;
sqlite3VdbeAddOp(v, OP_Column, pExpr->iTable, iCol);
int op = (pTab && IsVirtual(pTab)) ? OP_VColumn : OP_Column;
sqlite3VdbeAddOp(v, op, pExpr->iTable, iCol);
sqlite3ColumnDefault(v, pTab, iCol);
#ifndef SQLITE_OMIT_FLOATING_POINT
if( pTab && pTab->aCol[iCol].affinity==SQLITE_AFF_REAL ){
@ -1497,7 +1570,9 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
}
#endif
}else{
sqlite3VdbeAddOp(v, OP_Rowid, pExpr->iTable, 0);
Table *pTab = pExpr->pTab;
int op = (pTab && IsVirtual(pTab)) ? OP_VRowid : OP_Rowid;
sqlite3VdbeAddOp(v, op, pExpr->iTable, 0);
}
break;
}
@ -1671,6 +1746,25 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
pDef = sqlite3FindFunction(pParse->db, zId, nId, nExpr, enc, 0);
assert( pDef!=0 );
nExpr = sqlite3ExprCodeExprList(pParse, pList);
#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Possibly overload the function if the first argument is
** a virtual table column.
**
** For infix functions (LIKE, GLOB, REGEXP, and MATCH) use the
** second argument, not the first, as the argument to test to
** see if it is a column in a virtual table. This is done because
** the left operand of infix functions (the operand we want to
** control overloading) ends up as the second argument to the
** function. The expression "A glob B" is equivalent to
** "glob(B,A). We want to use the A in "A glob B" to test
** for function overloading. But we use the B term in "glob(B,A)".
*/
if( nExpr>=2 && (pExpr->flags & EP_InfixFunc) ){
pDef = sqlite3VtabOverloadFunction(pDef, nExpr, pList->a[1].pExpr);
}else if( nExpr>0 ){
pDef = sqlite3VtabOverloadFunction(pDef, nExpr, pList->a[0].pExpr);
}
#endif
for(i=0; i<nExpr && i<32; i++){
if( sqlite3ExprIsConstant(pList->a[i].pExpr) ){
constMask |= (1<<i);
@ -2157,6 +2251,7 @@ static int analyzeAggregate(void *pArg, Expr *pExpr){
switch( pExpr->op ){
case TK_AGG_COLUMN:
case TK_COLUMN: {
/* Check to see if the column is in one of the tables in the FROM
** clause of the aggregate query */