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A PostgreSQL SQL syntax beautifier that can work as a console program or as a CGI. On-line demo site at http://sqlformat.darold.net/
Perl
Latest commit 33b413b Mar 12, 2016 @darold Fix whitespace placed in between the E and the quote character. Thank…
…s to clijunky for the report.

README

ABSTRACT
    pgFormatter - PostgreSQL SQL syntax beautifier

DESCRIPTION
    This SQL formatter/beautifier supports keywords from SQL-92, SQL-99,
    SQL-2003, SQL-2008, SQL-2011 and PostgreSQL specifics keywords. May
    works with any other databases too.

    pgFormatter can work as a console program or as a CGI. It will
    automatically detect his environment and output as text or as HTML
    following the context.

    Keywords highlighting will only be available in CGI context.

  Terminal/console execution
    Usage: pg_format [options] file.sql [...]

            PostgreSQL SQL queries and PL/PGSQL code beautifier.

    Arguments:

        file.sql can be a file or use - to send a query using stdin. Use a single
        dot in a line to terminate the stdin input or EOF.

        Returning the SQL formatted to stdout or into a file specified with the
        -o | --output option.

    Options:

        -a | --anonymize      : obscure all literals in queries, useful to hide
                                confidential data before formatting.
        -d | --debug          : enable debug mode. Disabled by default.
        -f | --function-case N: Change the case of the reserved keyword. Default is
                                unchanged: 0. Values: 0=>unchanged, 1=>lowercase,
                                2=>uppercase, 3=>capitalize.
        -h | --help           : show this message and exit.
        -m | --maxlength SIZE : maximum length of a query, it will be cut above
                                the given size. Default: no truncate.
        -n | --nocomment      : remove any comment from SQL code.
        -o | --output file    : define the filename for the output. Default: stdout.
        -p | --placeholder re : set regex to find code that must not be changed.
        -s | --spaces size    : change space indent, default 4 spaces.
        -u | --keyword-case N : Change the case of the reserved keyword. Default is
                                uppercase: 2. Values: 0=>unchanged, 1=>lowercase,
                                2=>uppercase, 3=>capitalize.
        -v | --version        : show pg_format version and exit.

    Examples:

        cat samples/ex1.sql | /usr/local/bin/pg_format -
        /usr/local/bin/pg_format -n samples/ex1.sql
        /usr/local/bin/pg_format -f 2 -n samples/ex1.sql -o result.sql

  CGI context
    Install pg_format into your cgi-bin folder, grant execution on it as a
    CGI script (maybe you should add the .cgi extension) and get it from
    your favorite browser.

    You have a live example without limitation than ten thousand characters
    in your SQL query here:

            http://sqlformat.darold.net/

    pg_format will automatically detected that it is running in a CGI
    environment and will output all html code needed to run an online code
    formatter site. There's nothing more to do.

INSTALLATION
    Download the tarball from github and unpack the archive as follow:

            tar xzf pgFormatter-x.x.tar.gz
            cd pgFormatter-x.x/
            perl Makefile.PL
            make && sudo make install

    This will copy the Perl script pg_format in /usr/local/bin/pg_format
    directory by default and the man page into
    /usr/local/share/man/man1/pg_format.1. Those are the default
    installation directory for 'site' install.

    If you want to install all under /usr/ location, use INSTALLDIRS='perl'
    as argument of Makefile.PL. The script will be installed into
    /usr/bin/pg_format and the manpage into /usr/share/man/man1/pg_format.1.

    For example, to install everything just like Debian does, proceed as
    follow:

            perl Makefile.PL INSTALLDIRS=vendor

    By default INSTALLDIRS is set to site.

HINTS
  Formatting from VI
    With pgFormat, you can just add the following line to your ~/.vimrc
    file:

            au FileType sql setl formatprg=/usr/local/bin/pg_format\ -

    This lets your gq commands use pgFormat automagically. For example if
    you are on the first line, typing:

            ESC+gq+G

    will format the entire file.

            ESC+gq+2j

    will format the next two line.

    Thanks to David Fetter for the hint.

  Prevent replacing code snippets
    Using -p or --placeholder command line option it is possible to keep
    code untouched by pgFormatter in your SQL queries. For example, in query
    like:

            SELECT * FROM projects WHERE projectnumber
                    IN <<internalprojects>> AND username = <<loginname>>;

    you may want pgFormatter to not interpret << and >> as bit-shift
    keywords and modify your code snippsets. You can use a Perl regular
    expression to instruct pgFormatter to keep some part of the query
    untouched. For example:

            pg_format samples/ex9.sql -p '<<(?:.*)?>>'

    will not format the bit-shift like operators.

AUTHORS
    pgFormatter is an original work from Gilles Darold

COPYRIGHT
    Copyright 2012-2016 Gilles Darold. All rights reserved.

LICENSE
    pgFormatter is free software distributed under the PostgreSQL Licence.

    A modified version of the SQL::Beautify Perl Module is embedded in
    pgFormatter with copyright (C) 2009 by Jonas Kramer and is published
    under the terms of the Artistic License 2.0.

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