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doc: correct description of libpq's PQsetnonblocking() mode

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Reported-by: Yugo NAGATA

Discussion: https://postgr.es/m/20210713115949.702986955f8ccf23fa81073c@sraoss.co.jp

Backpatch-through: 12-16, master already done
This commit is contained in:
Bruce Momjian 2023-11-13 14:03:37 -05:00
parent 4c73ec6048
commit 403f4f4fa1
1 changed files with 4 additions and 3 deletions
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7
doc/src/sgml/libpq.sgml
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@ -4934,11 +4934,12 @@ int PQsetnonblocking(PGconn *conn, int arg);
</para>
<para>
In the nonblocking state, calls to
In the nonblocking state, successful 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.
Unsuccessful calls will return an error and must be retried.
</para>
<para>