<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!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. GIN and GiST Index Types" /><link rel="next" href="textsearch-limitations.html" title="12.11. Limitations" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">12.10. <span xmlns="http://www.w3.org/1999/xhtml" class="application">psql</span> Support</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="textsearch-indexes.html" title="12.9. GIN and GiST Index Types">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 11.12 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></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</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 | 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 | hungarian_stem | snowball stemmer for hungarian language pg_catalog | italian_stem | snowball stemmer for italian 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 | 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 | turkish_stem | snowball stemmer for turkish 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 xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="textsearch-indexes.html" title="12.9. GIN and GiST Index Types">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. GIN and GiST Index Types </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 11.12 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 12.11. Limitations</td></tr></table></div></body></html>