From 24748708c63180a9f6ecef9c15c353ebb2ba10ad Mon Sep 17 00:00:00 2001
From: Alexander Reelsen <alexander.reelsen@real-digital.de>
Date: Tue, 2 Sep 2025 09:52:00 +0200
Subject: [PATCH 1/2] Allow fieldname as parameter

---
 src/queries/vector-queries/sparse-vector-query.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/queries/vector-queries/sparse-vector-query.js b/src/queries/vector-queries/sparse-vector-query.js
index b17fe2b..4321466 100644
--- a/src/queries/vector-queries/sparse-vector-query.js
+++ b/src/queries/vector-queries/sparse-vector-query.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const { Query } = require('../../core');
+const { isNil } = require('lodash');
 
 /**
  * The sparse vector query executes a query consisting of sparse vectors, such as built by a learned sparse retrieval model,
@@ -15,8 +16,10 @@ const { Query } = require('../../core');
  */
 class SparseVectorQuery extends Query {
     // eslint-disable-next-line require-jsdoc
-    constructor() {
+
+    constructor(field) {
         super('sparse_vector');
+        if (!isNil(field)) this._queryOpts.field = field;
     }
 
     /**

From e400efdcbecaf02d5fc13d5338e2a76bc35f41ec Mon Sep 17 00:00:00 2001
From: Alexander Reelsen <alexander.reelsen@real-digital.de>
Date: Tue, 2 Sep 2025 17:39:17 +0200
Subject: [PATCH 2/2] add test

---
 test/queries-test/sparse-vector-query.test.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/test/queries-test/sparse-vector-query.test.js b/test/queries-test/sparse-vector-query.test.js
index cf39a6e..b9f2909 100644
--- a/test/queries-test/sparse-vector-query.test.js
+++ b/test/queries-test/sparse-vector-query.test.js
@@ -1,5 +1,5 @@
 import test from 'ava';
-import { SparseVectorQuery } from '../../src';
+import esb, { SparseVectorQuery } from '../../src';
 
 test('with inference id and query', t => {
     const q = new SparseVectorQuery();
@@ -136,3 +136,15 @@ test('with pruning config for multiple elements', t => {
     };
     t.deepEqual(q.toJSON(), expected);
 });
+
+test('call sparse vector query via esb', t => {
+    const q = esb.sparseVectorQuery('my_field').query('my query');
+
+    const expected = {
+        sparse_vector: {
+            field: 'my_field',
+            query: 'my query'
+        }
+    };
+    t.deepEqual(q.toJSON(), expected);
+});