lib/sqlite/sqlite3.c

4221 ** ^The sixth, seventh and eighth parameters, xFunc, xStep and xFinal, are
4224 ** callback only; NULL pointers must be passed as the xStep and xFinal
4225 ** parameters. ^An aggregate SQL function requires an implementation of xStep
4267   void (*xStep)(sqlite3_context*,int,sqlite3_value**),
4277   void (*xStep)(sqlite3_context*,int,sqlite3_value**),
4287   void (*xStep)(sqlite3_context*,int,sqlite3_value**),
4331 ** The xFunc (for scalar functions) or xStep (for aggregates) parameters
4394 ** called once for each invocation of the xStep callback and then one
4396 ** an aggregate query, the xStep() callback of the aggregate function
4415 ** to the xStep or xFinal callback routine that implements the aggregate
9632   void (*xStep)(sqlite3_context*,int,sqlite3_value**); /* Aggregate step */
9681 **   AGGREGATE(zName, nArg, iArg, bNC, xStep, xFinal)
9683 **     the C functions xStep and xFinal. The first four parameters
9703 #define AGGREGATE(zName, nArg, arg, nc, xStep, xFinal) \
9705    SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal,#zName,0,0}
62114   assert( p && p->pFunc && p->pFunc->xStep );
62205   assert( p && p->pMem && p->pFunc && p->pFunc->xStep );
68980   (u.ce.ctx.pFunc->xStep)(&u.ce.ctx, u.ce.n, u.ce.apVal); /* IMP: R-24505-23230 */
78710     0,                /* xStep */
78732     0,                /* xStep */
83183    || (nArg==-1 && (p->xFunc!=0 || p->xStep!=0))
83258 ** or xStep is non-zero.
83333   if( pBest && (pBest->xStep || pBest->xFunc || createFlag) ){
88972   int  (*create_function)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
88973   int  (*create_function16)(sqlite3*,const void*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
89093   int (*create_function_v2)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*),void(*xDestroy)(void*));
111181   void (*xStep)(sqlite3_context*,int,sqlite3_value **),
111190       (xFunc && (xFinal || xStep)) ||
111191       (!xFunc && (xFinal && !xStep)) ||
111192       (!xFunc && (!xFinal && xStep)) ||
111211          pUserData, xFunc, xStep, xFinal, pDestructor);
111214           pUserData, xFunc, xStep, xFinal, pDestructor);
111258   p->xStep = xStep;
111275   void (*xStep)(sqlite3_context*,int,sqlite3_value **),
111278   return sqlite3_create_function_v2(db, zFunc, nArg, enc, p, xFunc, xStep,
111289   void (*xStep)(sqlite3_context*,int,sqlite3_value **),
111305   rc = sqlite3CreateFunc(db, zFunc, nArg, enc, p, xFunc, xStep, xFinal, pArg);
111326   void (*xStep)(sqlite3_context*,int,sqlite3_value**),
111334   rc = sqlite3CreateFunc(db, zFunc8, nArg, eTextRep, p, xFunc, xStep, xFinal,0);