diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/protocol.sgml | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml index 0ed09c71d0d..121f43c5e2d 100644 --- a/doc/src/sgml/protocol.sgml +++ b/doc/src/sgml/protocol.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/protocol.sgml,v 1.57.4.1 2005/01/23 00:37:12 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/protocol.sgml,v 1.57.4.2 2008/01/14 18:46:40 tgl Exp $ --> <chapter id="protocol"> <title>Frontend/Backend Protocol</title> @@ -994,9 +994,16 @@ <para> In the event of a backend-detected error during copy-out mode, the backend will issue an ErrorResponse message and revert to normal - processing. The frontend should treat receipt of ErrorResponse (or - indeed any message type other than CopyData or CopyDone) as terminating - the copy-out mode. + processing. The frontend should treat receipt of ErrorResponse as + terminating the copy-out mode. + </para> + + <para> + It is possible for NoticeResponse messages to be interspersed between + CopyData messages; frontends must handle this case, and should be + prepared for other asynchronous message types as well (see <xref + linkend="protocol-async">). Otherwise, any message type other than + CopyData or CopyDone may be treated as terminating copy-out mode. </para> <para> |