.. _`Select columns in Table`:

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

Select columns in Table
```````````````````````

.. image:: select_table_columns.svg
   :width: 48


Select columns from input to propagate to output.




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

There are many situations where you may want to throw away some of the columns
of a table. Perhaps the amount of data is large and you want to trim it to
increase performance, or perhaps some column was just needed as an intermediary
step in some analysis.


Definition
::::::::::


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

    **<unnamed>**  table
        Input


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

    **<unnamed>**  table
        Output




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

    **Select columns** (columns)
        Select columns.





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

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

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

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

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




Examples
........

* :download:`SelectColumns.syx </Examples/Sympathy/Data Processing/Select/SelectColumns.syx>`




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

.. automodule:: node_select_table_columns
    :noindex:

.. class:: SelectColumnsTable
    :noindex: