Search: Basic document scoring

[dranikpg]

Compute document scores and support the most basic scoring functions (like tf/idf https://en.wikipedia.org/wiki/Tf%E2%80%93idf)

[romange]

is it done @dranikpg ?

__vector_score is not supported: FT.SEARCH ann * =>[KNN 10 @vector $BLOB EF_RUNTIME 10] NOCONTENT SORTBY __vector_score LIMIT 0 10 PARAMS 2 BLOB FOO

[dranikpg]

it works, but you have to specify a name for the score field explicitly

[romange]

@dranikpg , can you provide an fix to the query above? i mean how the query should be fixed?