.. _f-databasejoingroup:

module ``sql.database_join_group``
==================================





.. inheritance-diagram:: pyensae.sql.database_join_group


Short summary
+++++++++++++

module ``pyensae.sql.database_join_group``

:class:`Database`


:githublink:`%|py|6`




Classes
+++++++

+--------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------+
| class                                                                          | truncated documentation                                                                                              |
+================================================================================+======================================================================================================================+
| :class:`DatabaseJoinGroup <pyensae.sql.database_join_group.DatabaseJoinGroup>` | This class is not neant to be working alone. It contains functions for a database able to build SQL requests for ... |
+--------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------+










Methods
+++++++

+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
| method                                                                                                       | truncated documentation                                            |
+==============================================================================================================+====================================================================+
| :py:meth:`__init__ <pyensae.sql.database_join_group.DatabaseJoinGroup.__init__>`                             | constructor                                                        |
+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
| :py:meth:`_build_where_condition <pyensae.sql.database_join_group.DatabaseJoinGroup._build_where_condition>` | builds a where condition (including the WHERE keyword)             |
+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
| :meth:`histogram <pyensae.sql.database_join_group.DatabaseJoinGroup.histogram>`                              | create a SQL request to compute an histogram                       |
+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
| :meth:`inner_join <pyensae.sql.database_join_group.DatabaseJoinGroup.inner_join>`                            | create a SQL inner join request                                    |
+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
| :meth:`inner_joins <pyensae.sql.database_join_group.DatabaseJoinGroup.inner_joins>`                          | create several SQL inner join requests (included into each others) |
+--------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+


Documentation
+++++++++++++

.. automodule:: pyensae.sql.database_join_group
    :members:
    :special-members: __init__
    :show-inheritance: