On Wed, Jul 21, 2021 at 10:15:09AM +0900, Yugo NAGATA wrote:
> I understood that, although PQgetResult() also flushes the buffer, we still
> should call PQflush() beforehand because we would not like get blocked after
> calling PQgetResult(). Thanks.
I modified your patch, attached, that I would like to apply to all
supported versions.
--
Bruce Momjian <br...@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Only you can decide what is important to you.
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 64b2910fee..d1609ddd9a 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -5319,8 +5319,8 @@ int PQsetnonblocking(PGconn *conn, int arg);
In the nonblocking state, calls to
<xref linkend="libpq-PQsendQuery"/>, <xref linkend="libpq-PQputline"/>,
<xref linkend="libpq-PQputnbytes"/>, <xref linkend="libpq-PQputCopyData"/>,
- and <xref linkend="libpq-PQendcopy"/> will not block but instead return
- an error if they need to be called again.
+ and <xref linkend="libpq-PQendcopy"/> will not block; their changes
+ are stored in the local output buffer until they are flushed.
</para>
<para>
