fix the autobatched document deletion

index-scheduler/src/batch.rs

@@ -72,7 +72,8 @@ pub(crate) enum IndexOperation {
     },
     DocumentDeletion {
         index_uid: String,
-        documents: Vec<String>,
+        // The vec associated with each document deletion tasks.
+        documents: Vec<Vec<String>>,
         tasks: Vec<Task>,
     },
     DocumentClear {
@@ -222,7 +223,7 @@ impl IndexScheduler {
                 for task in &tasks {
                     match task.kind {
                         KindWithContent::DocumentDeletion { ref documents_ids, .. } => {
-                            documents.extend_from_slice(documents_ids)
+                            documents.push(documents_ids.clone())
                         }
                         _ => unreachable!(),
                     }
@@ -912,7 +913,7 @@ impl IndexScheduler {
             }
             IndexOperation::DocumentDeletion { index_uid: _, documents, mut tasks } => {
                 let mut builder = milli::update::DeleteDocuments::new(index_wtxn, index)?;
-                documents.iter().for_each(|id| {
+                documents.iter().flatten().for_each(|id| {
                     builder.delete_external_id(id);
                 });
 
@@ -922,7 +923,7 @@ impl IndexScheduler {
                     task.status = Status::Succeeded;
                     task.details = Some(Details::DocumentDeletion {
                         received_document_ids: documents.len(),
-                        deleted_documents: Some(deleted_documents),
+                        deleted_documents: Some(deleted_documents.min(documents.len() as u64)),
                     });
                 }
 

meilisearch-http/tests/documents/add_documents.rs

@@ -560,7 +560,6 @@ async fn error_add_missing_payload_ndjson_documents() {
     let status_code = res.status();
     let body = test::read_body(res).await;
     let response: Value = serde_json::from_slice(&body).unwrap_or_default();
-    dbg!(&response);
     assert_eq!(status_code, 400);
     assert_eq!(response["message"], json!(r#"A ndjson payload is missing."#));
     assert_eq!(response["code"], json!("missing_payload"));