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Changes In Branch cgo-warning-workaround Excluding Merge-Ins
This is equivalent to a diff from 56e5063c32 to d4bf60f464
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2020-05-26
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| 11:10 | Changes to sqlite3SelectNew() to work around a false-positive warning from GCC-10. The code is very slightly larger and slower as a result. (check-in: 04e1edd8e5 user: drh tags: trunk) | |
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2020-05-25
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| 12:02 | Make sure variable declarations are at start of scope even when SQLITE_ENABLE_SNAPSHOT is used. (check-in: a77ceaf6ba user: drh tags: trunk) | |
| 01:31 | Attempt to work around a false-positive warning in the CGo compiler. (Closed-Leaf check-in: d4bf60f464 user: drh tags: cgo-warning-workaround) | |
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2020-05-24
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| 12:36 | Version number to 3.32.1. (check-in: 56e5063c32 user: drh tags: trunk) | |
| 03:38 | When rewriting a query for window functions, if the rewrite changes the depth of TK_AGG_FUNCTION nodes, be sure to adjust the Expr.op2 field appropriately. Fix for ticket [7a5279a25c57adf1] (check-in: ad7bb70af9 user: drh tags: trunk) | |
Changes to src/select.c.
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pDest->iSdst = 0;
pDest->nSdst = 0;
}
/*
** Allocate a new Select structure and return a pointer to that
** structure.
*/
Select *sqlite3SelectNew(
Parse *pParse, /* Parsing context */
ExprList *pEList, /* which columns to include in the result */
SrcList *pSrc, /* the FROM clause -- which tables to scan */
Expr *pWhere, /* the WHERE clause */
ExprList *pGroupBy, /* the GROUP BY clause */
Expr *pHaving, /* the HAVING clause */
ExprList *pOrderBy, /* the ORDER BY clause */
u32 selFlags, /* Flag parameters, such as SF_Distinct */
Expr *pLimit /* LIMIT value. NULL means not used */
){
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pDest->iSdst = 0;
pDest->nSdst = 0;
}
/*
** Allocate a new Select structure and return a pointer to that
** structure.
*/
Select *sqlite3SelectNew(
Parse *pParse, /* Parsing context */
ExprList *pEList, /* which columns to include in the result */
SrcList *pSrc, /* the FROM clause -- which tables to scan */
Expr *pWhere, /* the WHERE clause */
ExprList *pGroupBy, /* the GROUP BY clause */
Expr *pHaving, /* the HAVING clause */
ExprList *pOrderBy, /* the ORDER BY clause */
u32 selFlags, /* Flag parameters, such as SF_Distinct */
Expr *pLimit /* LIMIT value. NULL means not used */
){
Select *pNew, *pAllocated;
Select standin;
pAllocated = pNew = sqlite3DbMallocRawNN(pParse->db, sizeof(*pNew) );
if( pNew==0 ){
assert( pParse->db->mallocFailed );
pNew = &standin;
}
if( pEList==0 ){
pEList = sqlite3ExprListAppend(pParse, 0,
sqlite3Expr(pParse->db,TK_ASTERISK,0));
}
pNew->pEList = pEList;
pNew->op = TK_SELECT;
pNew->selFlags = selFlags;
pNew->iLimit = 0;
pNew->iOffset = 0;
pNew->selId = ++pParse->nSelect;
pNew->addrOpenEphm[0] = -1;
pNew->addrOpenEphm[1] = -1;
pNew->nSelectRow = 0;
if( pSrc==0 ) pSrc = sqlite3DbMallocZero(pParse->db, sizeof(*pSrc));
pNew->pSrc = pSrc;
pNew->pWhere = pWhere;
pNew->pGroupBy = pGroupBy;
pNew->pHaving = pHaving;
pNew->pOrderBy = pOrderBy;
pNew->pPrior = 0;
pNew->pNext = 0;
pNew->pLimit = pLimit;
pNew->pWith = 0;
#ifndef SQLITE_OMIT_WINDOWFUNC
pNew->pWin = 0;
pNew->pWinDefn = 0;
#endif
if( pParse->db->mallocFailed ) {
clearSelect(pParse->db, pNew, pNew!=&standin);
pAllocated = 0;
}else{
assert( pNew->pSrc!=0 || pParse->nErr>0 );
}
return pAllocated;
}
/*
** Delete the given Select structure and all of its substructures.
*/
void sqlite3SelectDelete(sqlite3 *db, Select *p){
if( OK_IF_ALWAYS_TRUE(p) ) clearSelect(db, p, 1);
}
/*
** Delete all the substructure for p, but keep p allocated. Redefine
** p to be a single SELECT where every column of the result set has a
** value of NULL.
*/
void sqlite3SelectReset(Parse *pParse, Select *p){
if( ALWAYS(p) ){
clearSelect(pParse->db, p, 0);
memset(&p->iLimit, 0, sizeof(Select) - offsetof(Select,iLimit));
p->pEList = sqlite3ExprListAppend(pParse, 0,
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