<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Built-in Operator Classes</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.6.17 Documentation" HREF="index.html"><LINK REL="UP" TITLE="GIN Indexes" HREF="gin.html"><LINK REL="PREVIOUS" TITLE="Introduction" HREF="gin-intro.html"><LINK REL="NEXT" TITLE="Extensibility" HREF="gin-extensibility.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2020-02-24T19:56:52"></HEAD ><BODY CLASS="SECT1" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="4" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.6.17 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="Introduction" HREF="gin-intro.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="gin.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" >Chapter 63. GIN Indexes</TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="Extensibility" HREF="gin-extensibility.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="GIN-BUILTIN-OPCLASSES" >63.2. Built-in Operator Classes</A ></H1 ><P > The core <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > distribution includes the <ACRONYM CLASS="ACRONYM" >GIN</ACRONYM > operator classes shown in <A HREF="gin-builtin-opclasses.html#GIN-BUILTIN-OPCLASSES-TABLE" >Table 63-1</A >. (Some of the optional modules described in <A HREF="contrib.html" >Appendix F</A > provide additional <ACRONYM CLASS="ACRONYM" >GIN</ACRONYM > operator classes.) </P ><DIV CLASS="TABLE" ><A NAME="GIN-BUILTIN-OPCLASSES-TABLE" ></A ><P ><B >Table 63-1. Built-in <ACRONYM CLASS="ACRONYM" >GIN</ACRONYM > Operator Classes</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><COL><THEAD ><TR ><TH >Name</TH ><TH >Indexed Data Type</TH ><TH >Indexable Operators</TH ></TR ></THEAD ><TBODY ><TR ><TD ><TT CLASS="LITERAL" >_abstime_ops</TT ></TD ><TD ><TT CLASS="TYPE" >abstime[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_bit_ops</TT ></TD ><TD ><TT CLASS="TYPE" >bit[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_bool_ops</TT ></TD ><TD ><TT CLASS="TYPE" >boolean[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_bpchar_ops</TT ></TD ><TD ><TT CLASS="TYPE" >character[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_bytea_ops</TT ></TD ><TD ><TT CLASS="TYPE" >bytea[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_char_ops</TT ></TD ><TD ><TT CLASS="TYPE" >"char"[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_cidr_ops</TT ></TD ><TD ><TT CLASS="TYPE" >cidr[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_date_ops</TT ></TD ><TD ><TT CLASS="TYPE" >date[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_float4_ops</TT ></TD ><TD ><TT CLASS="TYPE" >float4[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_float8_ops</TT ></TD ><TD ><TT CLASS="TYPE" >float8[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_inet_ops</TT ></TD ><TD ><TT CLASS="TYPE" >inet[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_int2_ops</TT ></TD ><TD ><TT CLASS="TYPE" >smallint[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_int4_ops</TT ></TD ><TD ><TT CLASS="TYPE" >integer[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_int8_ops</TT ></TD ><TD ><TT CLASS="TYPE" >bigint[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_interval_ops</TT ></TD ><TD ><TT CLASS="TYPE" >interval[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_macaddr_ops</TT ></TD ><TD ><TT CLASS="TYPE" >macaddr[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_money_ops</TT ></TD ><TD ><TT CLASS="TYPE" >money[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_name_ops</TT ></TD ><TD ><TT CLASS="TYPE" >name[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_numeric_ops</TT ></TD ><TD ><TT CLASS="TYPE" >numeric[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_oid_ops</TT ></TD ><TD ><TT CLASS="TYPE" >oid[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_oidvector_ops</TT ></TD ><TD ><TT CLASS="TYPE" >oidvector[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_reltime_ops</TT ></TD ><TD ><TT CLASS="TYPE" >reltime[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_text_ops</TT ></TD ><TD ><TT CLASS="TYPE" >text[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_time_ops</TT ></TD ><TD ><TT CLASS="TYPE" >time[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_timestamp_ops</TT ></TD ><TD ><TT CLASS="TYPE" >timestamp[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_timestamptz_ops</TT ></TD ><TD ><TT CLASS="TYPE" >timestamp with time zone[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_timetz_ops</TT ></TD ><TD ><TT CLASS="TYPE" >time with time zone[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_tinterval_ops</TT ></TD ><TD ><TT CLASS="TYPE" >tinterval[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_varbit_ops</TT ></TD ><TD ><TT CLASS="TYPE" >bit varying[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >_varchar_ops</TT ></TD ><TD ><TT CLASS="TYPE" >character varying[]</TT ></TD ><TD > <TT CLASS="LITERAL" >&&</TT > <TT CLASS="LITERAL" ><@</TT > <TT CLASS="LITERAL" >=</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >jsonb_ops</TT ></TD ><TD ><TT CLASS="TYPE" >jsonb</TT ></TD ><TD > <TT CLASS="LITERAL" >?</TT > <TT CLASS="LITERAL" >?&</TT > <TT CLASS="LITERAL" >?|</TT > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >jsonb_path_ops</TT ></TD ><TD ><TT CLASS="TYPE" >jsonb</TT ></TD ><TD > <TT CLASS="LITERAL" >@></TT > </TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >tsvector_ops</TT ></TD ><TD ><TT CLASS="TYPE" >tsvector</TT ></TD ><TD > <TT CLASS="LITERAL" >@@</TT > <TT CLASS="LITERAL" >@@@</TT > </TD ></TR ></TBODY ></TABLE ></DIV ><P > Of the two operator classes for type <TT CLASS="TYPE" >jsonb</TT >, <TT CLASS="LITERAL" >jsonb_ops</TT > is the default. <TT CLASS="LITERAL" >jsonb_path_ops</TT > supports fewer operators but offers better performance for those operators. See <A HREF="datatype-json.html#JSON-INDEXING" >Section 8.14.4</A > for details. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="gin-intro.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="gin-extensibility.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Introduction</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="gin.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Extensibility</TD ></TR ></TABLE ></DIV ></BODY ></HTML >