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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
commit5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch)
tree739caf8c461053357daa9f162bef34516c7bf452 /doc/src/sgml/html/catalog-pg-ts-parser.html
parentInitial commit. (diff)
downloadpostgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz
postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?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>53.62. pg_ts_parser</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="catalog-pg-ts-dict.html" title="53.61. pg_ts_dict" /><link rel="next" href="catalog-pg-ts-template.html" title="53.63. pg_ts_template" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">53.62. <code class="structname">pg_ts_parser</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="catalog-pg-ts-dict.html" title="53.61. pg_ts_dict">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><th width="60%" align="center">Chapter 53. System Catalogs</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="catalog-pg-ts-template.html" title="53.63. pg_ts_template">Next</a></td></tr></table><hr /></div><div class="sect1" id="CATALOG-PG-TS-PARSER"><div class="titlepage"><div><div><h2 class="title" style="clear: both">53.62. <code class="structname">pg_ts_parser</code></h2></div></div></div><a id="id-1.10.4.64.2" class="indexterm"></a><p>
+ The <code class="structname">pg_ts_parser</code> catalog contains entries
+ defining text search parsers. A parser is responsible for splitting
+ input text into lexemes and assigning a token type to each lexeme.
+ Since a parser must be implemented by C-language-level functions,
+ creation of new parsers is restricted to database superusers.
+ </p><p>
+ <span class="productname">PostgreSQL</span>'s text search features are
+ described at length in <a class="xref" href="textsearch.html" title="Chapter 12. Full Text Search">Chapter 12</a>.
+ </p><div class="table" id="id-1.10.4.64.5"><p class="title"><strong>Table 53.62. <code class="structname">pg_ts_parser</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_ts_parser Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
+ Column Type
+ </p>
+ <p>
+ Description
+ </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">oid</code> <code class="type">oid</code>
+ </p>
+ <p>
+ Row identifier
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prsname</code> <code class="type">name</code>
+ </p>
+ <p>
+ Text search parser name
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prsnamespace</code> <code class="type">oid</code>
+ (references <a class="link" href="catalog-pg-namespace.html" title="53.32. pg_namespace"><code class="structname">pg_namespace</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ The OID of the namespace that contains this parser
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prsstart</code> <code class="type">regproc</code>
+ (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ OID of the parser's startup function
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prstoken</code> <code class="type">regproc</code>
+ (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ OID of the parser's next-token function
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prsend</code> <code class="type">regproc</code>
+ (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ OID of the parser's shutdown function
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prsheadline</code> <code class="type">regproc</code>
+ (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ OID of the parser's headline function (zero if none)
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">prslextype</code> <code class="type">regproc</code>
+ (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ OID of the parser's lextype function
+ </p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="catalog-pg-ts-dict.html" title="53.61. pg_ts_dict">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="catalog-pg-ts-template.html" title="53.63. pg_ts_template">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.61. <code class="structname">pg_ts_dict</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 53.63. <code class="structname">pg_ts_template</code></td></tr></table></div></body></html> \ No newline at end of file
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