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dropCollectionProperties()

This operation resets the properties of a specified collection to their default values.

public Void dropCollectionProperties(DropCollectionPropertiesReq request)

Request Syntax

dropCollectionProperties(DropCollectionPropertiesReq.builder()
.databaseName(String databaseName)
.collectionName(String collectionName)
.propertyKeys(List<String> propertyKeys)
.build()
)

BUILDER METHODS:

  • databaseName(String databaseName)

    The name of the database that holds the target collection.

  • collectionName(String collectionName)

    The name of the target collection.

  • propertyKeys(List<String> propertyKeys)

    The properties to reset to their default values. Possible properties are as follows:

    • collection.ttl.seconds -

      The time-to-live (TTL) of a collection in seconds.

    • mmap.enabled -

      Whether to enable mmap for the raw data and indexes of all fields in the collection.

RETURNS:

void

EXCEPTIONS:

  • MilvusClientExceptions

    This exception will be raised when any error occurs during this operation.

Example

// drop the `collection.ttl.seconds` property
List<String> propertyKeys = new ArrayList<>()
propertyKeys.add("collection.ttl.seconds")

DropCollectionPropertiesReq dropCollectionPropertiesReq = DropCollectionPropertiesReq.builder()
.collectionName("test")
.propertyKeys(propertyKeys)
.build();

client.dropCollectionProperties(dropCollectionPropertiesReq)