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When generating WHERE clause terms internally for NATURAL and USING joins, identify the table by its position in the FROM list, not by its name or alias. Fix for [b73fb0bd64].

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FossilOrigin-Name: 6fe6371175482d38ac4aeea994c7b20c18b7de01
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dan
2009-10-19 15:52:32 +00:00
parent fd3b22265e
commit f7b0b0ad5f
8 changed files with 144 additions and 65 deletions
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21
src/resolve.c
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@@ -394,6 +394,27 @@ lookupname_end:
}
}
/*
** Allocate and return a pointer to an expression to load the column iCol
** from datasource iSrc datasource in SrcList pSrc.
*/
Expr *sqlite3CreateColumnExpr(sqlite3 *db, SrcList *pSrc, int iSrc, int iCol){
Expr *p = sqlite3ExprAlloc(db, TK_COLUMN, 0, 0);
if( p ){
struct SrcList_item *pItem = &pSrc->a[iSrc];
p->pTab = pItem->pTab;
p->iTable = pItem->iCursor;
if( p->pTab->iPKey==iCol ){
p->iColumn = -1;
}else{
p->iColumn = iCol;
pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol);
}
ExprSetProperty(p, EP_Resolved);
}
return p;
}
/*
** This routine is callback for sqlite3WalkExpr().
**