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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>70.2. Built-in Operator Classes</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="gin-intro.html" title="70.1. Introduction" /><link rel="next" href="gin-extensibility.html" title="70.3. Extensibility" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">70.2. Built-in Operator Classes</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="gin-intro.html" title="70.1. Introduction">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="gin.html" title="Chapter 70. GIN Indexes">Up</a></td><th width="60%" align="center">Chapter 70. GIN Indexes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="gin-extensibility.html" title="70.3. Extensibility">Next</a></td></tr></table><hr /></div><div class="sect1" id="GIN-BUILTIN-OPCLASSES"><div class="titlepage"><div><div><h2 class="title" style="clear: both">70.2. Built-in Operator Classes</h2></div></div></div><p>
+  The core <span class="productname">PostgreSQL</span> distribution
+  includes the <acronym class="acronym">GIN</acronym> operator classes shown in
+  <a class="xref" href="gin-builtin-opclasses.html#GIN-BUILTIN-OPCLASSES-TABLE" title="Table 70.1. Built-in GIN Operator Classes">Table 70.1</a>.
+  (Some of the optional modules described in <a class="xref" href="contrib.html" title="Appendix F. Additional Supplied Modules">Appendix F</a>
+  provide additional <acronym class="acronym">GIN</acronym> operator classes.)
+ </p><div class="table" id="GIN-BUILTIN-OPCLASSES-TABLE"><p class="title"><strong>Table 70.1. Built-in <acronym class="acronym">GIN</acronym> Operator Classes</strong></p><div class="table-contents"><table class="table" summary="Built-in GIN Operator Classes" border="1"><colgroup><col /><col /></colgroup><thead><tr><th>Name</th><th>Indexable Operators</th></tr></thead><tbody><tr><td rowspan="4" valign="middle"><code class="literal">array_ops</code></td><td><code class="literal">&amp;&amp; (anyarray,anyarray)</code></td></tr><tr><td><code class="literal">@&gt; (anyarray,anyarray)</code></td></tr><tr><td><code class="literal">&lt;@ (anyarray,anyarray)</code></td></tr><tr><td><code class="literal">= (anyarray,anyarray)</code></td></tr><tr><td rowspan="6" valign="middle"><code class="literal">jsonb_ops</code></td><td><code class="literal">@&gt; (jsonb,jsonb)</code></td></tr><tr><td><code class="literal">@? (jsonb,jsonpath)</code></td></tr><tr><td><code class="literal">@@ (jsonb,jsonpath)</code></td></tr><tr><td><code class="literal">? (jsonb,text)</code></td></tr><tr><td><code class="literal">?| (jsonb,text[])</code></td></tr><tr><td><code class="literal">?&amp; (jsonb,text[])</code></td></tr><tr><td rowspan="3" valign="middle"><code class="literal">jsonb_path_ops</code></td><td><code class="literal">@&gt; (jsonb,jsonb)</code></td></tr><tr><td><code class="literal">@? (jsonb,jsonpath)</code></td></tr><tr><td><code class="literal">@@ (jsonb,jsonpath)</code></td></tr><tr><td rowspan="2" valign="middle"><code class="literal">tsvector_ops</code></td><td><code class="literal">@@ (tsvector,tsquery)</code></td></tr><tr><td><code class="literal">@@@ (tsvector,tsquery)</code></td></tr></tbody></table></div></div><br class="table-break" /><p>
+  Of the two operator classes for type <code class="type">jsonb</code>, <code class="literal">jsonb_ops</code>
+  is the default.  <code class="literal">jsonb_path_ops</code> supports fewer operators but
+  offers better performance for those operators.
+  See <a class="xref" href="datatype-json.html#JSON-INDEXING" title="8.14.4. jsonb Indexing">Section 8.14.4</a> for details.
+ </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="gin-intro.html" title="70.1. Introduction">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="gin.html" title="Chapter 70. GIN Indexes">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="gin-extensibility.html" title="70.3. Extensibility">Next</a></td></tr><tr><td width="40%" align="left" valign="top">70.1. Introduction </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 70.3. Extensibility</td></tr></table></div></body></html>
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