From: | Jason Davis <jdavis(at)tassie(dot)net(dot)au> |
---|---|
To: | edx(at)land(dot)waw(dot)pl |
Cc: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: ecpg and multiple connections |
Date: | 2001-10-19 23:57:59 |
Message-ID: | 200110192356.f9JNuK166304@perseus.tassie.net.au |
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Thread: | |
Lists: | pgsql-novice |
>I have problem in my application.
>I must handle queries to multiple databases concurrently.
>In a documentation set there is only information how to open named
>connections in order to differentiate them.
>In documantaion the query statements 'EXEC SQL SELECT ...'
>does not provide interface for the connection name.
>ECPGdo has the second aprameters set to NULL, what is the purpose of
>this parameter ? Connection name ? Other object type ?
If I read you correctly, the syntax you are after is
EXEC SQL CONNECT TO db1 AS conn1;
EXEC SQL CONNECT TO db2 AS conn2;
EXEC SQL AT db1 SQL_STATEMENTS;
EXEC SQL AT db2 SQL_STATEMENTS;
EXEC SQL DISCONNECT db1;
EXEC SQL DISCONNECT db2;
Hope this helps.
cheers,
Jason Davis
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