.. _`VJoin Tables`:

.. _`org.sysess.sympathy.data.table.vjointablenodes`:

VJoin Tables
~~~~~~~~~~~~

.. image:: vjoin_table.svg
   :width: 48


Vertical join of Tables.

:Opposite node: :ref:`VSplit Table`
:Ref. nodes: :ref:`VJoin Table`, :ref:`VJoin Tables pairwise`

*Input ports*:
    :port1: [table]

        Input Tables

*Output ports*:
    :port1: table

        Joined Tables

*Configuration*:
    **Complement missing columns** (fill)
        Select if columns that are not represented in all Tables should be complemented
    **Complement strategy** (fill_strategy)
        When "Complement with nan or empty string" is selected missing columns will be replaced by columns of nan or empty strings. When "Mask missing values" is selected missing columns will be result in masked values
    **Output index** (output_index)
        Specify name for output index column. If left empty, no index column will be created
    **Increment for empty tables** (minimum_increment)
        Specify the increment in the outgoing index column for tables with no rows. Either 1 or 0.

.. automodule:: node_vjoin_tables

.. class:: VJoinTablesNode


Example flows
#############

* :download:`VJoinTable.syx </_examples/Sympathy/Data Processing/Structure/VJoinTable.syx>`