add data viewer

app/supabase_db.py

@@ -198,14 +198,17 @@ class SupabaseClient:
             logger.info(f"[SUPABASE] Total records in table: {total_count}")
             
             all_chunks = []
-            page_size = 1000
+            page_size = 500  # Giảm page size để test
             start = 0
+            page_count = 0
             
             while True:
-                # Sử dụng .range() với syntax đúng
+                page_count += 1
+                # Sử dụng .range() với page size nhỏ hơn
                 response = self.client.table('document_chunks').select('*').range(start, start + page_size - 1).execute()
                 
-                logger.info(f"[SUPABASE] Fetched page: start={start}, end={start + page_size - 1}, count={len(response.data) if response.data else 0}")
+                actual_count = len(response.data) if response.data else 0
+                logger.info(f"[SUPABASE] Page {page_count}: start={start}, end={start + page_size - 1}, requested={page_size}, actual={actual_count}")
                 
                 if not response.data:
                     logger.info(f"[SUPABASE] No more data at start {start}")
@@ -214,13 +217,14 @@ class SupabaseClient:
                 all_chunks.extend(response.data)
                 
                 # Nếu số records ít hơn page_size, đã hết
-                if len(response.data) < page_size:
-                    logger.info(f"[SUPABASE] Last page with {len(response.data)} records")
+                if actual_count < page_size:
+                    logger.info(f"[SUPABASE] Last page with {actual_count} records")
                     break
                 
                 start += page_size
             
             logger.info(f"[SUPABASE] Successfully fetched {len(all_chunks)} document chunks (expected: {total_count})")
+            logger.info(f"[SUPABASE] Fetched {page_count} pages with page_size={page_size}")
             return all_chunks
                 
         except Exception as e: