KnnVectorFieldExistsQuery (Lucene 9.10.0 core API)

java.lang.Object
- org.apache.lucene.search.Query
- - org.apache.lucene.search.FieldExistsQuery
  - - org.apache.lucene.search.KnnVectorFieldExistsQuery

```
@Deprecated
public class KnnVectorFieldExistsQuery
extends FieldExistsQuery
```
Deprecated.
Use FieldExistsQuery instead.

A Query that matches documents that contain a vector field.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  KnnVectorFieldExistsQuery(String field)
  Deprecated.
  
  Create a query that will match documents which have a value for the given field.
- Method Summary
  - Methods inherited from class org.apache.lucene.search.FieldExistsQuery
    createWeight, equals, getDocValuesDocIdSetIterator, getField, hashCode, rewrite, toString, visit
  - Methods inherited from class org.apache.lucene.search.Query
    classHash, rewrite, sameClassAs, toString
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - KnnVectorFieldExistsQuery
```
public KnnVectorFieldExistsQuery(String field)
```
    Deprecated.
    
    Create a query that will match documents which have a value for the given field.