Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("url", "http://example.com/test");
        dataMap.put("doc_id", "existing-doc-id");

        indexUpdateCallback.store(paramMap, dataMap);

        // Should keep existing doc_id
        assertEquals("existing-doc-id", dataMap.get("doc_id"));
    }

    @Test
    public void test_concurrentStore() throws Exception {
        // Test thread safety

    }

    /**
     * Document identifier for the target document to redirect to.
     * This is required and limited to 100 characters.
     */
    @Required
    @Size(max = 100)
    public String docId;

    /**
     * Redirect target or return URL parameter.
     * This is required and limited to 10000 characters to accommodate long URLs.
     */
    @Size(max = 10000)
    @Required
    public String rt;

            doColumn("_id");
        }

        public void columnCreatedAt() {
            doColumn("createdAt");
        }

        public void columnDocId() {
            doColumn("docId");
        }

        public void columnQueryId() {
            doColumn("queryId");
        }

        public void columnUrl() {
            doColumn("url");
        }

		type MigrateDecimalColumn struct {
			RecID1 int64 `gorm:"column:recid1;type:decimal(9,0);not null" json:"recid1"`
			RecID2 int64 `gorm:"column:recid2;type:decimal(8);not null" json:"recid2"`
			RecID3 int64 `gorm:"column:recid3;type:decimal(8,1);not null" json:"recid3"`
		}
		type MigrateDecimalColumn2 struct {
			RecID1 int64 `gorm:"column:recid1;type:decimal(8);not null" json:"recid1"`

                                        <label for="doc.doc_id" class="col-sm-3 text-sm-right col-form-label">doc_id</label>
                                        <div class="col-sm-9">
                                                ${f:h(doc.doc_id)}
                                            <la:hidden styleId="doc.doc_id" property="doc.doc_id"/>
                                        </div>

        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");
        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Doc2");
        documentList.add(doc1);

        QueryResponseList qrList = new QueryResponseList(documentList, 0, 10, 0);

        assertTrue(qrList.contains(doc1));
        assertFalse(qrList.contains(doc2));

            doColumn("_id");
        }

        public void columnUrlId() {
            doColumn("urlId");
        }

        public void columnDocId() {
            doColumn("docId");
        }

        public void columnOrder() {
            doColumn("order");
        }

        public void columnQueryId() {
            doColumn("queryId");
        }

        indexUpdater.updateDocument(doc);

        assertNull(doc.get("boost"));
        assertNotNull(doc.get("doc_id"));
    }

    // Test updateDocument with existing doc_id
    @Test
    public void test_updateDocument_existingDocId() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "existing_id");
        doc.put("url", "http://example.com");

        indexUpdater.updateDocument(doc);

        assertEquals(0, deletedDocIdList.size());

        docList.clear();
        deletedDocIdList.clear();
        docList.add(new HashMap<>(Map.of(//
                "config_id", "W01", //
                "doc_id", "1", //
                "url", "http://test.com/001"//
        )));
        documentSizeByQuery = oldDocList.size();
        assertEquals(0, indexingHelper.deleteOldDocuments(client, docList));

        final Map<String, Object> doc1 = new HashMap<>();
        doc1.put("_id", "doc1");
        doc1.put("title", "Document 1");

        final Map<String, Object> doc2 = new HashMap<>();
        doc2.put("_id", "doc2");
        doc2.put("title", "Document 2");

        final SearchResult result = SearchResult.create().addDocument(doc1).addDocument(doc2).allRecordCount(2).build();