A REPL for Postgres
-------------------

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This is a postgres client that does auto-completion and syntax highlighting.

Home Page: http://pgcli.com

MySQL Equivalent: http://mycli.net

.. image:: screenshots/pgcli.gif
.. image:: screenshots/image01.png

Quick Start
-----------

If you already know how to install python packages, then you can simply do:

::

    $ pip install -U pgcli

    or

    $ brew install pgcli  # Only on macOS

If you don't know how to install python packages, please check the
`detailed instructions`__.

__ https://github.com/dbcli/pgcli#detailed-installation-instructions

Usage
-----

::

    $ pgcli [database_name]

    or

    $ pgcli postgresql://[user[:password]@][netloc][:port][/dbname]

Examples:

::

    $ pgcli local_database

    $ pgcli postgres://amjith:pa$$w0rd@example.com:5432/app_db

Features
--------

The `pgcli` is written using prompt_toolkit_.

* Auto-completes as you type for SQL keywords as well as tables and
  columns in the database.
* Syntax highlighting using Pygments.
* Smart-completion (enabled by default) will suggest context-sensitive
  completion.

    - ``SELECT * FROM <tab>`` will only show table names.
    - ``SELECT * FROM users WHERE <tab>`` will only show column names.

* Primitive support for ``psql`` back-slash commands.
* Pretty prints tabular data.
  Note: `pgcli` uses the `tabulate`_ package to pretty-print tables. This library does smart formatting 
  of numbers, which can sometimes lead to unexpected output. See `this issue`_ for more details.

.. _prompt_toolkit: https://github.com/jonathanslenders/python-prompt-toolkit
.. _tabulate: https://github.com/dbcli/pgcli/blob/master/pgcli/packages/tabulate.py
.. _this issue: https://github.com/dbcli/pgcli/issues/617

Config
------
A config file is automatically created at ``~/.config/pgcli/config`` at first launch.
See the file itself for a description of all available options.

Contributions:
--------------

If you're interested in contributing to this project, first of all I would like
to extend my heartfelt gratitude. I've written a small doc to describe how to
get this running in a development setup.

https://github.com/dbcli/pgcli/blob/master/DEVELOP.rst

Please feel free to reach out to me if you need help.
My email: amjith.r@gmail.com, Twitter: `@amjithr <http://twitter.com/amjithr>`_

Detailed Installation Instructions:
-----------------------------------

macOS:
======

The easiest way to install pgcli is using Homebrew.

::

    $ brew install pgcli

Done!

Alternatively, you can install ``pgcli`` as a python package using a package
manager called called ``pip``. You will need postgres installed on your system
for this to work.

In depth getting started guide for ``pip`` - https://pip.pypa.io/en/latest/installing.html.

::

    $ which pip

If it is installed then you can do:

::

    $ pip install pgcli

If that fails due to permission issues, you might need to run the command with
sudo permissions.

::

    $ sudo pip install pgcli

If pip is not installed check if easy_install is available on the system.

::

    $ which easy_install

    $ sudo easy_install pgcli

Linux:
======

In depth getting started guide for ``pip`` - https://pip.pypa.io/en/latest/installing.html.

Check if pip is already available in your system.

::

    $ which pip

If it doesn't exist, use your linux package manager to install `pip`. This
might look something like:

::

    $ sudo apt-get install python-pip   # Debian, Ubuntu, Mint etc

    or

    $ sudo yum install python-pip  # RHEL, Centos, Fedora etc

``pgcli`` requires python-dev, libpq-dev and libevent-dev packages. You can
install these via your operating system package manager.


::

    $ sudo apt-get install python-dev libpq-dev libevent-dev

    or

    $ sudo yum install python-devel postgresql-devel

Then you can install pgcli:

::

    $ sudo pip install pgcli


Docker
======

Pgcli can be run from within Docker. This can be useful to try pgcli without
installing it, or any dependencies, system-wide.

To build the image:

::

    $ docker build -t pgcli .

To create a container from the image:

::

    $ docker run --rm -ti pgcli pgcli <ARGS>

To access postgresql databases listening on localhost, make sure to run the
docker in "host net mode". E.g. to access a database called "foo" on the
postgresql server running on localhost:5432 (the standard port):

::

    $ docker run --rm -ti --net host pgcli pgcli -h localhost foo

To connect to a locally running instance over a unix socket, bind the socket to
the docker container:

::

    $ docker run --rm -ti -v /var/run/postgres:/var/run/postgres pgcli pgcli foo

Thanks:
-------

A special thanks to `Jonathan Slenders <https://twitter.com/jonathan_s>`_ for
creating `Python Prompt Toolkit <http://github.com/jonathanslenders/python-prompt-toolkit>`_,
which is quite literally the backbone library, that made this app possible.
Jonathan has also provided valuable feedback and support during the development
of this app.

`Click <http://click.pocoo.org/>`_ is used for command line option parsing
and printing error messages.

Thanks to `psycopg <http://initd.org/psycopg/>`_ for providing a rock solid
interface to Postgres database.

Thanks to all the beta testers and contributors for your time and patience. :)


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