BREAKING CHANGE(storage,engine,server): add session & transaction management, index/query planner, WAL and checksum support; integrate index-accelerated queries and update storage API (findByIds) to enable index optimizations

ts/tsmdb/server/handlers/DeleteHandler.ts

@@ -1,5 +1,6 @@
 import * as plugins from '../../tsmdb.plugins.js';
 import type { ICommandHandler, IHandlerContext } from '../CommandRouter.js';
+import type { IStoredDocument } from '../../types/interfaces.js';
 import { QueryEngine } from '../../engine/QueryEngine.js';
 
 /**
@@ -47,6 +48,8 @@ export class DeleteHandler implements ICommandHandler {
       return { ok: 1, n: 0 };
     }
 
+    const indexEngine = context.getIndexEngine(collection);
+
     for (let i = 0; i < deletes.length; i++) {
       const deleteSpec = deletes[i];
       const filter = deleteSpec.q || deleteSpec.filter || {};
@@ -56,8 +59,15 @@ export class DeleteHandler implements ICommandHandler {
       const deleteAll = limit === 0;
 
       try {
-        // Get all documents
-        const documents = await storage.findAll(database, collection);
+        // Try to use index-accelerated query
+        const candidateIds = await indexEngine.findCandidateIds(filter);
+
+        let documents: IStoredDocument[];
+        if (candidateIds !== null) {
+          documents = await storage.findByIds(database, collection, candidateIds);
+        } else {
+          documents = await storage.findAll(database, collection);
+        }
 
         // Apply filter
         const matchingDocs = QueryEngine.filter(documents, filter);
@@ -69,6 +79,11 @@ export class DeleteHandler implements ICommandHandler {
         // Determine which documents to delete
         const docsToDelete = deleteAll ? matchingDocs : matchingDocs.slice(0, 1);
 
+        // Update indexes for deleted documents
+        for (const doc of docsToDelete) {
+          await indexEngine.onDelete(doc as any);
+        }
+
         // Delete the documents
         const idsToDelete = docsToDelete.map(doc => doc._id);
         const deleted = await storage.deleteByIds(database, collection, idsToDelete);