ReleaseCollection()

This method releases the specified collection from memory.

Invocation

client.ReleaseCollection(ctx, collName)

Parameters

Parameter	Description	Type
ctx	Context to control API invocation process	context.Context
collName	Name of the collection to release	String

Constraints

• Releasing the collection that is successfully loaded is allowed.
• Releasing the collection is allowed when its partition(s) are loaded.
• Error will be returned at the attempt to release partition(s) when the parent collection is already loaded. Future releases will support releasing partitions from a loaded collection, and loading the collection when its partition(s) are released.

Return

No return.

Errors

err: error in the process (if any). Possible errors are listed below:

• ErrClientNotReady, error that the client is not connected.

• ErrCollectionNotExists, error that the collection with the specified name does not exist.

• error that API invocation failed.

Example

err := milvusClient.ReleaseCollection(
  context.Background(),
  "book",
)
if err != nil {
  log.Fatal("failed to release collection:", err.Error())
}