.. _`Unique Tables`:

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

Unique Tables
`````````````

.. image:: unique_table.svg
   :width: 48


For each unique value in selected columns only keep the first row with that value. When multiple columns are selected, unique combinations of values are considered.




Documentation
:::::::::::::

Auto generated list version of :ref:`Unique Table`.

In this version, the following ports from the original nodes have been
changed to lists which the node loops over:

    :Looped Inputs: port-index:0.
    :Looped Outputs: port-index:0.

For details see the original node.


Definition
::::::::::


Input ports
...........

    **Input**  [table]
        Input


Output ports
............

    **Output**  [table]
        Output




Configuration
.............

    **Columns to filter by** (column)
        Columns to use as uniqueness filter.
    **Method** (method)
        Legacy: lacks support for time types and missing values are treated as NaN.
        Extended: supports time types and missing values are treated as separate a value.





Related nodes
.............

* :ref:`org.sysess.sympathy.data.table.uniquetable`






Implementation
..............

.. automodule:: node_table_unique
    :noindex:

.. class:: UniqueTables
    :noindex: