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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>12.10. psql Support</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="textsearch-indexes.html" title="12.9. Preferred Index Types for Text Search" /><link rel="next" href="textsearch-limitations.html" title="12.11. Limitations" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">12.10. <span class="application">psql</span> Support</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="textsearch-indexes.html" title="12.9. Preferred Index Types for Text Search">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="textsearch.html" title="Chapter 12. Full Text Search">Up</a></td><th width="60%" align="center">Chapter 12. Full Text Search</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="textsearch-limitations.html" title="12.11. Limitations">Next</a></td></tr></table><hr /></div><div class="sect1" id="TEXTSEARCH-PSQL"><div class="titlepage"><div><div><h2 class="title" style="clear: both">12.10. <span class="application">psql</span> Support <a href="#TEXTSEARCH-PSQL" class="id_link">#</a></h2></div></div></div><p>
Information about text search configuration objects can be obtained
in <span class="application">psql</span> using a set of commands:
</p><pre class="synopsis">
\dF{d,p,t}[<span class="optional">+</span>] [<span class="optional">PATTERN</span>]
</pre><p>
An optional <code class="literal">+</code> produces more details.
</p><p>
The optional parameter <em class="replaceable"><code>PATTERN</code></em> can be the name of
a text search object, optionally schema-qualified. If
<em class="replaceable"><code>PATTERN</code></em> is omitted then information about all
visible objects will be displayed. <em class="replaceable"><code>PATTERN</code></em> can be a
regular expression and can provide <span class="emphasis"><em>separate</em></span> patterns
for the schema and object names. The following examples illustrate this:
</p><pre class="screen">
=> \dF *fulltext*
List of text search configurations
Schema | Name | Description
--------+--------------+-------------
public | fulltext_cfg |
</pre><p>
</p><pre class="screen">
=> \dF *.fulltext*
List of text search configurations
Schema | Name | Description
----------+----------------------------
fulltext | fulltext_cfg |
public | fulltext_cfg |
</pre><p>
The available commands are:
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">\dF[<span class="optional">+</span>] [<span class="optional">PATTERN</span>]</code></span></dt><dd><p>
List text search configurations (add <code class="literal">+</code> for more detail).
</p><pre class="screen">
=> \dF russian
List of text search configurations
Schema | Name | Description
------------+---------+------------------------------------
pg_catalog | russian | configuration for russian language
=> \dF+ russian
Text search configuration "pg_catalog.russian"
Parser: "pg_catalog.default"
Token | Dictionaries
-----------------+--------------
asciihword | english_stem
asciiword | english_stem
email | simple
file | simple
float | simple
host | simple
hword | russian_stem
hword_asciipart | english_stem
hword_numpart | simple
hword_part | russian_stem
int | simple
numhword | simple
numword | simple
sfloat | simple
uint | simple
url | simple
url_path | simple
version | simple
word | russian_stem
</pre><p>
</p></dd><dt><span class="term"><code class="literal">\dFd[<span class="optional">+</span>] [<span class="optional">PATTERN</span>]</code></span></dt><dd><p>
List text search dictionaries (add <code class="literal">+</code> for more detail).
</p><pre class="screen">
=> \dFd
List of text search dictionaries
Schema | Name | Description
------------+-----------------+-----------------------------------------------------------
pg_catalog | arabic_stem | snowball stemmer for arabic language
pg_catalog | armenian_stem | snowball stemmer for armenian language
pg_catalog | basque_stem | snowball stemmer for basque language
pg_catalog | catalan_stem | snowball stemmer for catalan language
pg_catalog | danish_stem | snowball stemmer for danish language
pg_catalog | dutch_stem | snowball stemmer for dutch language
pg_catalog | english_stem | snowball stemmer for english language
pg_catalog | finnish_stem | snowball stemmer for finnish language
pg_catalog | french_stem | snowball stemmer for french language
pg_catalog | german_stem | snowball stemmer for german language
pg_catalog | greek_stem | snowball stemmer for greek language
pg_catalog | hindi_stem | snowball stemmer for hindi language
pg_catalog | hungarian_stem | snowball stemmer for hungarian language
pg_catalog | indonesian_stem | snowball stemmer for indonesian language
pg_catalog | irish_stem | snowball stemmer for irish language
pg_catalog | italian_stem | snowball stemmer for italian language
pg_catalog | lithuanian_stem | snowball stemmer for lithuanian language
pg_catalog | nepali_stem | snowball stemmer for nepali language
pg_catalog | norwegian_stem | snowball stemmer for norwegian language
pg_catalog | portuguese_stem | snowball stemmer for portuguese language
pg_catalog | romanian_stem | snowball stemmer for romanian language
pg_catalog | russian_stem | snowball stemmer for russian language
pg_catalog | serbian_stem | snowball stemmer for serbian language
pg_catalog | simple | simple dictionary: just lower case and check for stopword
pg_catalog | spanish_stem | snowball stemmer for spanish language
pg_catalog | swedish_stem | snowball stemmer for swedish language
pg_catalog | tamil_stem | snowball stemmer for tamil language
pg_catalog | turkish_stem | snowball stemmer for turkish language
pg_catalog | yiddish_stem | snowball stemmer for yiddish language
</pre><p>
</p></dd><dt><span class="term"><code class="literal">\dFp[<span class="optional">+</span>] [<span class="optional">PATTERN</span>]</code></span></dt><dd><p>
List text search parsers (add <code class="literal">+</code> for more detail).
</p><pre class="screen">
=> \dFp
List of text search parsers
Schema | Name | Description
------------+---------+---------------------
pg_catalog | default | default word parser
=> \dFp+
Text search parser "pg_catalog.default"
Method | Function | Description
-----------------+----------------+-------------
Start parse | prsd_start |
Get next token | prsd_nexttoken |
End parse | prsd_end |
Get headline | prsd_headline |
Get token types | prsd_lextype |
Token types for parser "pg_catalog.default"
Token name | Description
-----------------+------------------------------------------
asciihword | Hyphenated word, all ASCII
asciiword | Word, all ASCII
blank | Space symbols
email | Email address
entity | XML entity
file | File or path name
float | Decimal notation
host | Host
hword | Hyphenated word, all letters
hword_asciipart | Hyphenated word part, all ASCII
hword_numpart | Hyphenated word part, letters and digits
hword_part | Hyphenated word part, all letters
int | Signed integer
numhword | Hyphenated word, letters and digits
numword | Word, letters and digits
protocol | Protocol head
sfloat | Scientific notation
tag | XML tag
uint | Unsigned integer
url | URL
url_path | URL path
version | Version number
word | Word, all letters
(23 rows)
</pre><p>
</p></dd><dt><span class="term"><code class="literal">\dFt[<span class="optional">+</span>] [<span class="optional">PATTERN</span>]</code></span></dt><dd><p>
List text search templates (add <code class="literal">+</code> for more detail).
</p><pre class="screen">
=> \dFt
List of text search templates
Schema | Name | Description
------------+-----------+-----------------------------------------------------------
pg_catalog | ispell | ispell dictionary
pg_catalog | simple | simple dictionary: just lower case and check for stopword
pg_catalog | snowball | snowball stemmer
pg_catalog | synonym | synonym dictionary: replace word by its synonym
pg_catalog | thesaurus | thesaurus dictionary: phrase by phrase substitution
</pre><p>
</p></dd></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="textsearch-indexes.html" title="12.9. Preferred Index Types for Text Search">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="textsearch.html" title="Chapter 12. Full Text Search">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="textsearch-limitations.html" title="12.11. Limitations">Next</a></td></tr><tr><td width="40%" align="left" valign="top">12.9. Preferred Index Types for Text Search </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 12.11. Limitations</td></tr></table></div></body></html>