Sophie: postgresql8.4-docs-8.4.12-0.1mdv2010.2 i586

postgresql8.4-docs-8.4.12-0.1mdv2010.2.i586.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>dblink_is_busy</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 8.4.12 Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="dblink"
HREF="dblink.html"><LINK
REL="PREVIOUS"
TITLE="dblink_send_query"
HREF="contrib-dblink-send-query.html"><LINK
REL="NEXT"
TITLE="dblink_get_result"
HREF="contrib-dblink-get-result.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="2012-05-31T23:30:11"></HEAD
><BODY
CLASS="REFENTRY"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="5"
ALIGN="center"
VALIGN="bottom"
>PostgreSQL 8.4.12 Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="top"
><A
HREF="contrib-dblink-send-query.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="top"
><A
HREF="contrib-dblink-send-query.html"
>Fast Backward</A
></TD
><TD
WIDTH="60%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="top"
><A
HREF="contrib-dblink-get-result.html"
>Fast Forward</A
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="top"
><A
HREF="contrib-dblink-get-result.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="CONTRIB-DBLINK-IS-BUSY"
></A
>dblink_is_busy</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN115282"
></A
><H2
>Name</H2
>dblink_is_busy&nbsp;--&nbsp;checks if connection is busy with an async query</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN115285"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>    dblink_is_busy(text connname) returns int
   </PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN115287"
></A
><H2
>Description</H2
><P
>    <CODE
CLASS="FUNCTION"
>dblink_is_busy</CODE
> tests whether an async query is in progress.
   </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN115291"
></A
><H2
>Arguments</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="PARAMETER"
>conname</TT
></DT
><DD
><P
>       Name of the connection to check.
      </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN115299"
></A
><H2
>Return Value</H2
><P
>    Returns 1 if connection is busy, 0 if it is not busy.
    If this function returns 0, it is guaranteed that
    <CODE
CLASS="FUNCTION"
>dblink_get_result</CODE
> will not block.
   </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN115303"
></A
><H2
>Example</H2
><PRE
CLASS="PROGRAMLISTING"
>    SELECT dblink_is_busy('dtest1');
   </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-send-query.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-get-result.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>dblink_send_query</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_get_result</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>