FT.DROPINDEX

Syntax

FT.DROPINDEX index [DD]

Time complexity: O(1) or O(N) if DD is used, where N is the number of documents in the index. ACL categories: @ft_search

Delete an index.

By default, FT.DROPINDEX only removes the index definition and associated metadata while keeping the actual documents (HASH or JSON keys) intact.

index

is index name. You must first create the index using FT.CREATE.

DD

If set, the operation will delete the actual documents (HASH or JSON keys) that were indexed, in addition to dropping the index itself.

Without this option, only the index structure is removed while all the indexed documents remain in the database.

warning

Using DD will permanently delete all documents that were indexed. This operation cannot be undone.

FT.DROPINDEX returns a simple string reply OK if executed correctly, or an error reply otherwise.

Delete an index (keep documents)

Delete the index but keep all the indexed documents in the database.

dragonfly> FT.DROPINDEX idx
OK

Delete an index and all its documents

Delete the index and all documents that were indexed by it.

dragonfly> FT.DROPINDEX idx DD
OK

warning

This will permanently delete all HASH or JSON keys that were indexed by idx.