diff options
Diffstat (limited to 'src/resolve.c')
| -rw-r--r-- | src/resolve.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/resolve.c b/src/resolve.c index dfbc3b17a..4b30350c7 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -14,7 +14,7 @@ ** resolve all identifiers by associating them with a particular ** table and column. ** -** $Id: resolve.c,v 1.5 2008/08/29 02:14:03 drh Exp $ +** $Id: resolve.c,v 1.6 2008/10/06 13:54:35 drh Exp $ */ #include "sqliteInt.h" #include <stdlib.h> @@ -418,6 +418,26 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ } #endif switch( pExpr->op ){ + +#ifndef SQLITE_OMIT_UPDATE_DELETE_LIMIT + /* The special operator TK_ROW means use the rowid for the first + ** column in the FROM clause. This is used by the LIMIT and ORDER BY + ** clause processing on UPDATE and DELETE statements. + */ + case TK_ROW: { + SrcList *pSrcList = pNC->pSrcList; + struct SrcList_item *pItem; + assert( pSrcList && pSrcList->nSrc==1 ); + pItem = pSrcList->a; + pExpr->op = TK_COLUMN; + pExpr->pTab = pItem->pTab; + pExpr->iTable = pItem->iCursor; + pExpr->iColumn = -1; + pExpr->affinity = SQLITE_AFF_INTEGER; + break; + } +#endif /* SQLITE_OMIT_UPDATE_DELETE_LIMIT + /* A lone identifier is the name of a column. */ case TK_ID: { |