[skip ci]Add some comments in chap07_query_coordinator.md (#10708)

Signed-off-by: ruiyi.jiang <ruiyi.jiang@zilliz.com>
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ryjiang 2021-10-27 14:51:08 +08:00 committed by GitHub
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@ -11,6 +11,7 @@ type QueryCoord interface {
Component
TimeTickProvider
// ShowCollections notifies RootCoord to list all collection names and other info in database at specified timestamp
ShowCollections(ctx context.Context, req *querypb.ShowCollectionsRequest) (*querypb.ShowCollectionsResponse, error)
LoadCollection(ctx context.Context, req *querypb.LoadCollectionRequest) (*commonpb.Status, error)
ReleaseCollection(ctx context.Context, req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error)