adding database function docs

Author: chfw

doc/source/index.rst

@@ -196,6 +196,9 @@ See more examples of the data structures in :ref:`pyexcel documentation<pyexcel:
 
 API Reference
 ---------------
+
+**Flask-Excel** attaches **pyexcel** functions to **Request** class.
+
 .. module:: flask_excel
 
 .. autoclass:: ExcelRequest
@@ -319,6 +322,26 @@ Response methods
       :param file_type: same as :meth:`~flask_excel.make_response`
       :param status: same as :meth:`~flask_excel.make_response`
 
+   .. method:: make_response_from_a_table(session, table, file_type status=200)
+
+      Produce a single sheet Excel book of *file_type*
+
+      :param session: SQLAlchemy session
+      :param table: a SQLAlchemy table
+      :param file_type: same as :meth:`~flask_excel.make_response`
+      :param status: same as :meth:`~flask_excel.make_response`
+
+   .. method:: make_response_from_tables(session, tables, file_type status=200)
+
+      Produce a multiple sheet Excel book of *file_type*. It becomes the same
+      as :meth:`~flask_excel.make_response_from_a_table` if you pass *tables*
+      with an array that has a single table
+      
+      :param session: SQLAlchemy session
+      :param tables: SQLAlchemy tables
+      :param file_type: same as :meth:`~flask_excel.make_response`
+      :param status: same as :meth:`~flask_excel.make_response`
+
 
 Indices and tables
 --------------------