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Revise the API for user-defined functions. (CVS 398)

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FossilOrigin-Name: 633951f0fa11c91f93aa2862df84691750c01e73
This commit is contained in:
drh
2002-02-27 19:00:20 +00:00
parent 4e0f995347
commit 1350b030c1
10 changed files with 331 additions and 146 deletions
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7
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.47 2002/02/27 01:53:13 drh Exp $
** $Id: expr.c,v 1.48 2002/02/27 19:00:21 drh Exp $
*/
#include "sqliteInt.h"
@@ -1003,7 +1003,7 @@ void sqliteExprCode(Parse *pParse, Expr *pExpr){
sqliteExprCode(pParse, pList->a[i].pExpr);
}
sqliteVdbeAddOp(v, OP_UserFunc, pList->nExpr, 0);
sqliteVdbeChangeP3(v, -1, (char*)pUser->xFunc, P3_POINTER);
sqliteVdbeChangeP3(v, -1, (char*)pUser, P3_POINTER);
break;
}
default: {
@@ -1396,8 +1396,7 @@ UserFunc *sqliteFindUserFunction(
){
UserFunc *pFirst, *p, *pMaybe;
pFirst = p = (UserFunc*)sqliteHashFind(&db->userFunc, zName, nName);
if( p==0 ) return 0;
if( !createFlag && nArg<0 ){
if( p && !createFlag && nArg<0 ){
while( p && p->xFunc==0 && p->xStep==0 ){ p = p->pNext; }
return p;
}