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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asynchronous connection attempt was outdated: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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5
src/interfaces/libpq/libpq-fe.h
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@@ -73,11 +73,12 @@ typedef enum
* backend startup. */
CONNECTION_SETENV, /* This state is no longer used. */
CONNECTION_SSL_STARTUP, /* Negotiating SSL. */
CONNECTION_NEEDED, /* Internal state: connect() needed */
CONNECTION_NEEDED, /* Internal state: connect() needed. */
CONNECTION_CHECK_WRITABLE, /* Checking if session is read-write. */
CONNECTION_CONSUME, /* Consuming any extra messages. */
CONNECTION_GSS_STARTUP, /* Negotiating GSSAPI. */
CONNECTION_CHECK_TARGET, /* Checking target server properties. */
CONNECTION_CHECK_TARGET, /* Internal state: checking target server
* properties. */
CONNECTION_CHECK_STANDBY /* Checking if server is in standby mode. */
} ConnStatusType;