func CheckFieldForIncrBy(field, fields uint64, count int64) {
if gomodel.NumFields(field) == 0 || field&fields == 0 {
panic(errors.Newf("unexpected field type %d", field))
}
if count != -1 && count != 1 {
panic(errors.Newf("unexpected field incrby count %d, must be -1 or 1", count))
}
}
func FuncForIncrByFieldCount(defaultRunner gomodel.Executor, model gomodel.Model, fields, whereFields uint64, noAffectsError error) IncrByFunc {
if gomodel.NumFields(whereFields) == 0 || gomodel.NumFields(fields) == 0 {
panic(errors.Newf("unexpected field count of fields %d and whereField %d", fields, whereFields))
}
return func(exec gomodel.Executor, field uint64, whereArgs ...interface{}) error {
var count int64
switch arg := whereArgs[0].(type) {
case int:
count = int64(arg)
case int8:
count = int64(arg)
case int16:
count = int64(arg)
case int32:
count = int64(arg)
case int64:
count = int64(arg)
case uint8:
count = int64(arg)
case uint16:
count = int64(arg)
case uint32:
count = int64(arg)
case uint64:
count = int64(arg)
default:
panic(fmt.Sprintf("count %v must be an integer", arg))
}
CheckFieldForIncrBy(field, fields, count)
if exec == nil {
exec = defaultRunner
}
c, err := exec.ArgsIncrBy(model, field, whereFields, whereArgs...)
return dberrs.NoAffects(c, err, noAffectsError)
}
}