<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >dblink_get_connections</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="dblink" HREF="dblink.html"><LINK REL="PREVIOUS" TITLE="dblink_close" HREF="contrib-dblink-close.html"><LINK REL="NEXT" TITLE="dblink_error_message" HREF="contrib-dblink-error-message.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="REFENTRY" ><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="dblink_close" HREF="contrib-dblink-close.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="dblink.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="dblink_error_message" HREF="contrib-dblink-error-message.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="CONTRIB-DBLINK-GET-CONNECTIONS" ></A >dblink_get_connections</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN138152" ></A ><H2 >Name</H2 >dblink_get_connections -- returns the names of all open named dblink connections</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN138155" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >dblink_get_connections() returns text[]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN138157" ></A ><H2 >Description</H2 ><P > <CODE CLASS="FUNCTION" >dblink_get_connections</CODE > returns an array of the names of all open named <TT CLASS="FILENAME" >dblink</TT > connections. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN138162" ></A ><H2 >Return Value</H2 ><P >Returns a text array of connection names, or NULL if none.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN138165" ></A ><H2 >Examples</H2 ><PRE CLASS="PROGRAMLISTING" >SELECT dblink_get_connections();</PRE ></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="contrib-dblink-close.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="contrib-dblink-error-message.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dblink_close</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="dblink.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dblink_error_message</TD ></TR ></TABLE ></DIV ></BODY ></HTML >