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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 14:03:36 -05:00
parent 5a6937ec9d
commit b64926fbfd
1 changed files with 4 additions and 3 deletions
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7
doc/src/sgml/libpq.sgml
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@ -4941,11 +4941,12 @@ int PQsetnonblocking(PGconn *conn, int arg);
</para> </para>
<para> <para>
In the nonblocking state, calls to In the nonblocking state, successful calls to
<function>PQsendQuery</function>, <function>PQputline</function>, <function>PQsendQuery</function>, <function>PQputline</function>,
<function>PQputnbytes</function>, <function>PQputCopyData</function>, <function>PQputnbytes</function>, <function>PQputCopyData</function>,
and <function>PQendcopy</function> will not block but instead return and <function>PQendcopy</function> will not block; their changes
an error if they need to be called again. are stored in the local output buffer until they are flushed.
Unsuccessful calls will return an error and must be retried.
</para> </para>
<para> <para>