[skip e2e] Add comment for consumerFlowGraph (#14000)

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
pull/14016/head
bigsheeper 2021-12-22 20:19:50 +08:00 committed by GitHub
parent 7d38720ec9
commit e6ea9c140c
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@ -189,6 +189,7 @@ func (q *queryNodeFlowGraph) newDmInputNode(ctx context.Context, factory msgstre
return node
}
// consumerFlowGraph would consume by channel and subName
func (q *queryNodeFlowGraph) consumerFlowGraph(channel Channel, subName ConsumeSubName) error {
if q.dmlStream == nil {
return errors.New("null dml message stream in flow graph")