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Add missing connection statuses to docs

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The list of connection statuses that PQstatus might return during an
asynchronous connection attempt was outdated:

1. CONNECTION_SETENV is never returned anymore and is only part of the
   enum for backwards compatibility, so remove it from the docs.
2. CONNECTION_CHECK_STANDBY and CONNECTION_GSS_STARTUP were not listed,
   so add them.

CONNECTION_NEEDED and CONNECTION_CHECK_TARGET are not listed in the docs
on purpose, since these are internal states that can never be observed
by a caller of PQstatus.

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://postgr.es/m/CAGECzQRb21spiiykQ48rzz8w+Hcykz+mB2_hxR65D9Qk6nnw=w@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2024-03-11 17:20:36 +01:00
parent 648928c79b
commit 095493a377
2 changed files with 15 additions and 5 deletions
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15
doc/src/sgml/libpq.sgml
View File

@ -428,11 +428,11 @@ PostgresPollingStatusType PQconnectPoll(PGconn *conn);
</listitem>
</varlistentry>
<varlistentry id="libpq-connection-setenv">
<term><symbol>CONNECTION_SETENV</symbol></term>
<varlistentry id="libpq-connection-gss-startup">
<term><symbol>CONNECTION_GSS_STARTUP</symbol></term>
<listitem>
<para>
Negotiating environment-driven parameter settings.
Negotiating GSS encryption.
</para>
</listitem>
</varlistentry>
@ -446,6 +446,15 @@ PostgresPollingStatusType PQconnectPoll(PGconn *conn);
</listitem>
</varlistentry>
<varlistentry id="libpq-connection-check-standby">
<term><symbol>CONNECTION_CHECK_STANDBY</symbol></term>
<listitem>
<para>
Checking if connection is to a server in standby mode.
</para>
</listitem>
</varlistentry>
<varlistentry id="libpq-connection-consume">
<term><symbol>CONNECTION_CONSUME</symbol></term>
<listitem>