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Hi, this doco patch is a quick one to add explicit mention of the need

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for the AT clause in threaded ECPG applications.

Philip Yarra
This commit is contained in:
Bruce Momjian 2003-12-01 22:36:40 +00:00
parent 8c4af96fb0
commit 8f61184db7
1 changed files with 8 additions and 1 deletions
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9
doc/src/sgml/ecpg.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ecpg.sgml,v 1.56 2003/11/29 19:51:36 pgsql Exp $
$PostgreSQL: pgsql/doc/src/sgml/ecpg.sgml,v 1.57 2003/12/01 22:36:40 momjian Exp $
-->
<chapter id="ecpg">
@ -353,6 +353,13 @@ EXEC SQL AT <replaceable>connection-name</replaceable> SELECT ...;
</programlisting>
This option is particularly suitable if the application needs to
use several connections in mixed order.
</para>
<para>
If your application uses multiple threads of execution, they cannot share a
connection concurrently. You must either explicitly control access to the connection
(using mutexes) or use a connection for each thread. If each thread uses its own connection,
you will need to use the AT clause to specify which connection the thread will use.
</para>
<para>