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| -rw-r--r-- | doc/src/sgml/ecpg.sgml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml index 2c113385de1..27aca4e60ea 100644 --- a/doc/src/sgml/ecpg.sgml +++ b/doc/src/sgml/ecpg.sgml @@ -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> |