Update utils/database.py

utils/database.py

@@ -479,7 +479,24 @@ def insert_document(conn, name, content):
         st.error(f"Error inserting document: {e}")
         return None
 
-
+def verify_database_tables(conn):
+    """Verify that all required tables exist."""
+    try:
+        cursor = conn.cursor()
+        cursor.execute("SELECT name FROM sqlite_master WHERE type='table'")
+        tables = [table[0] for table in cursor.fetchall()]
+        
+        # If collections table doesn't exist, force recreate it
+        if 'collections' not in tables:
+            if not force_recreate_collections_tables(conn):
+                st.error("Failed to recreate collections tables!")
+            
+        return 'collections' in tables
+            
+    except Exception as e:
+        st.error(f"Error verifying tables: {e}")
+        return False
+        
 def verify_vector_store(vector_store):
     """
     Verify that the vector store has documents loaded.