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The list of external language drivers and procedural languages was never complete or exhaustive, and rather than attempting to manage it the content has migrated to the wiki. This replaces the tables altogether with links to the wiki as we regularly get requests for adding various projects, which we reject without any clear policy for why or how the content should be managed. The threads linked to below are the most recent discussions about this, the archives contain many more. Backpatch to all supported branches since the list on the wiki applies to all branches. Author: Jonathan Katz <jkatz@postgresql.org> Discussion: https://postgr.es/m/169165415312.635.10247434927885764880@wrigleys.postgresql.org Discussion: https://postgr.es/m/169177958824.635.11087800083040275266@wrigleys.postgresql.org Backpatch-through: v11
130 lines
4.4 KiB
Plaintext
130 lines
4.4 KiB
Plaintext
<!-- doc/src/sgml/external-projects.sgml -->
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<appendix id="external-projects">
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<title>External Projects</title>
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<para>
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<productname>PostgreSQL</productname> is a complex software project,
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and managing the project is difficult. We have found that many
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enhancements to <productname>PostgreSQL</productname> can be more
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efficiently developed separately from the core project.
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</para>
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<sect1 id="external-interfaces">
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<title>Client Interfaces</title>
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<indexterm>
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<primary>interfaces</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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There are only two client interfaces included in the base
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<productname>PostgreSQL</productname> distribution:
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<itemizedlist>
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<listitem>
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<para>
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<link linkend="libpq">libpq</link> is included because it is the
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primary C language interface, and because many other client interfaces
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are built on top of it.
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</para>
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</listitem>
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<listitem>
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<para>
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<link linkend="ecpg">ECPG</link> is included because it depends on the
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server-side SQL grammar, and is therefore sensitive to changes in
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<productname>PostgreSQL</productname> itself.
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</para>
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</listitem>
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</itemizedlist>
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All other language interfaces are external projects and are distributed
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separately. A
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<ulink url="https://wiki.postgresql.org/wiki/List_of_drivers">list of language interfaces</ulink>
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is maintained on the PostgreSQL wiki. Note that some of these packages are
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not released under the same license as <productname>PostgreSQL</productname>.
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For more information on each language interface, including licensing terms,
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refer to its website and documentation.
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</para>
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<para>
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<ulink url="https://wiki.postgresql.org/wiki/List_of_drivers"></ulink>
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</para>
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</sect1>
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<sect1 id="external-admin-tools">
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<title>Administration Tools</title>
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<indexterm>
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<primary>administration tools</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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There are several administration tools available for
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<productname>PostgreSQL</productname>. The most popular is
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<application><ulink url="https://www.pgadmin.org/">pgAdmin</ulink></application>,
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and there are several commercially available ones as well.
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</para>
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</sect1>
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<sect1 id="external-pl">
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<title>Procedural Languages</title>
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<indexterm>
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<primary>procedural language</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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<productname>PostgreSQL</productname> includes several procedural
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languages with the base distribution: <link
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linkend="plpgsql">PL/pgSQL</link>, <link linkend="pltcl">PL/Tcl</link>,
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<link linkend="plperl">PL/Perl</link>, and <link
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linkend="plpython">PL/Python</link>.
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</para>
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<para>
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In addition, there are a number of procedural languages that are developed
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and maintained outside the core <productname>PostgreSQL</productname>
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distribution. A list of
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<ulink url="https://wiki.postgresql.org/wiki/PL_Matrix">procedural languages</ulink>
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is maintained on the PostgreSQL wiki. Note that some of these projects are
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not released under the same license as <productname>PostgreSQL</productname>.
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For more information on each procedural language, including licensing
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information, refer to its website
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and documentation.
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</para>
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<para>
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<ulink url="https://wiki.postgresql.org/wiki/PL_Matrix"></ulink>
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</para>
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</sect1>
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<sect1 id="external-extensions">
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<title>Extensions</title>
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<indexterm>
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<primary>extension</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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<productname>PostgreSQL</productname> is designed to be easily extensible. For
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this reason, extensions loaded into the database can function
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just like features that are built in. The
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<filename>contrib/</filename> directory shipped with the source code
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contains several extensions, which are described in
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<xref linkend="contrib"/>. Other extensions are developed
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independently, like <application><ulink
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url="https://postgis.net/">PostGIS</ulink></application>. Even
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<productname>PostgreSQL</productname> replication solutions can be developed
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externally. For example, <application> <ulink
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url="https://www.slony.info">Slony-I</ulink></application> is a popular
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primary/standby replication solution that is developed independently
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from the core project.
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</para>
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</sect1>
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</appendix>
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