Format-sql

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* Allow aliases in selects.

.. code:: python

sql = """ select x as y """

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* Enabled single quotes as SQL string wrapper.
So you can format double and single quoted SQL strings.

.. code:: python

sql = """ select x from y """
sql `` ''' select x from y '''


* Fixed: Don't print ``--debug`` parameter value.
* Added ``--dry-run`` parameter. If ``--dry-run`` is set, no file will be altered but printed to STDOUT.
* Allow comparison of scalar with sub-select

.. code:: python

sql = """ where x = (select max(*) from k) """

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* All given non-Python files are handled as SQL files.
The ``--types`` parameter can be used to exclude certain file types.
* Added command line parameter ``--version`` to echo the current version.
* Added command line parameter ``--debug`` to print available debug output.

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* ``Where`` conditions with string comparison are now processed correctly.
* Multiple statements in one SQL file can now be processed.
* Multiple statements in one Python string can now be processed.

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* Package rewritten.

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* Fix an issue with passing ``--types`` command line argument.