<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pg_available_extension_versions</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 9.6.21 Documentation" HREF="index.html"><LINK REL="UP" TITLE="System Catalogs" HREF="catalogs.html"><LINK REL="PREVIOUS" TITLE="pg_available_extensions" HREF="view-pg-available-extensions.html"><LINK REL="NEXT" TITLE="pg_config" HREF="view-pg-config.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="2021-02-27T18:26:08"></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 9.6.21 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="pg_available_extensions" HREF="view-pg-available-extensions.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="catalogs.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" >Chapter 50. System Catalogs</TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="pg_config" HREF="view-pg-config.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="VIEW-PG-AVAILABLE-EXTENSION-VERSIONS" >50.59. <TT CLASS="STRUCTNAME" >pg_available_extension_versions</TT ></A ></H1 ><P > The <TT CLASS="STRUCTNAME" >pg_available_extension_versions</TT > view lists the specific extension versions that are available for installation. See also the <A HREF="catalog-pg-extension.html" ><TT CLASS="STRUCTNAME" >pg_extension</TT ></A > catalog, which shows the extensions currently installed. </P ><DIV CLASS="TABLE" ><A NAME="AEN111561" ></A ><P ><B >Table 50-60. <TT CLASS="STRUCTNAME" >pg_available_extension_versions</TT > Columns</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><COL><THEAD ><TR ><TH >Name</TH ><TH >Type</TH ><TH >Description</TH ></TR ></THEAD ><TBODY ><TR ><TD ><TT CLASS="STRUCTFIELD" >name</TT ></TD ><TD ><TT CLASS="TYPE" >name</TT ></TD ><TD >Extension name</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >version</TT ></TD ><TD ><TT CLASS="TYPE" >text</TT ></TD ><TD >Version name</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >installed</TT ></TD ><TD ><TT CLASS="TYPE" >bool</TT ></TD ><TD >True if this version of this extension is currently installed</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >superuser</TT ></TD ><TD ><TT CLASS="TYPE" >bool</TT ></TD ><TD >True if only superusers are allowed to install this extension</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >relocatable</TT ></TD ><TD ><TT CLASS="TYPE" >bool</TT ></TD ><TD >True if extension can be relocated to another schema</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >schema</TT ></TD ><TD ><TT CLASS="TYPE" >name</TT ></TD ><TD >Name of the schema that the extension must be installed into, or <TT CLASS="LITERAL" >NULL</TT > if partially or fully relocatable</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >requires</TT ></TD ><TD ><TT CLASS="TYPE" >name[]</TT ></TD ><TD >Names of prerequisite extensions, or <TT CLASS="LITERAL" >NULL</TT > if none</TD ></TR ><TR ><TD ><TT CLASS="STRUCTFIELD" >comment</TT ></TD ><TD ><TT CLASS="TYPE" >text</TT ></TD ><TD >Comment string from the extension's control file</TD ></TR ></TBODY ></TABLE ></DIV ><P > The <TT CLASS="STRUCTNAME" >pg_available_extension_versions</TT > view is read only. </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="view-pg-available-extensions.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="view-pg-config.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><TT CLASS="STRUCTNAME" >pg_available_extensions</TT ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="catalogs.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><TT CLASS="STRUCTNAME" >pg_config</TT ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >