//export goXFinal
func goXFinal(scp, udfp unsafe.Pointer) {
udf := (*sqliteFunction)(udfp)
cp := C.sqlite3_aggregate_context((*C.sqlite3_context)(scp), 0)
if cp != nil {
p := *(*unsafe.Pointer)(cp)
if p != nil {
c := (*AggregateContext)(p)
delete(udf.aggrCtxs, c)
c.sc = (*C.sqlite3_context)(scp)
udf.final(c)
}
}
// fmt.Printf("Contexts: %v\n", udf.aggrCtxts)
}
func (ai *aggInfo) agg(ctx *C.sqlite3_context) (int64, reflect.Value, error) {
aggIdx := (*int64)(C.sqlite3_aggregate_context(ctx, C.int(8)))
if *aggIdx == 0 {
*aggIdx = ai.next
ret := ai.constructor.Call(nil)
if len(ret) == 2 && ret[1].Interface() != nil {
return 0, reflect.Value{}, ret[1].Interface().(error)
}
if ret[0].IsNil() {
return 0, reflect.Value{}, errors.New("aggregator constructor returned nil state")
}
ai.next++
ai.active[*aggIdx] = ret[0]
}
return *aggIdx, ai.active[*aggIdx], nil
}
//export goXStep
func goXStep(scp, udfp unsafe.Pointer, argc int, argv unsafe.Pointer) {
udf := (*sqliteFunction)(udfp)
var cp unsafe.Pointer
cp = C.sqlite3_aggregate_context((*C.sqlite3_context)(scp), C.int(unsafe.Sizeof(cp)))
if cp != nil {
var c *AggregateContext
p := *(*unsafe.Pointer)(cp)
if p == nil {
c = new(AggregateContext)
c.sc = (*C.sqlite3_context)(scp)
*(*unsafe.Pointer)(cp) = unsafe.Pointer(c)
// To make sure it is not cged
udf.aggrCtxs[c] = true
} else {
c = (*AggregateContext)(p)
}
c.argv = (**C.sqlite3_value)(argv)
udf.step(c, argc)
c.argv = nil
}
}