postgres_fdw: Fix comments in connection.c.

Commit 27e1f1456 missed updating some comments.

Reviewed-by: Bharath Rupireddy
Backpatch-through: 14
Discussion: https://postgr.es/m/CAPmGK15Q2Nm6U%2Ba_GwskrWFEVBZ9_3VKOvRrprGufpx91M_3Sw%40mail.gmail.com
This commit is contained in:
Etsuro Fujita 2021-10-07 18:15:00 +09:00
parent 700c733128
commit 972c7c6567

View File

@ -197,9 +197,9 @@ GetConnection(UserMapping *user, bool will_prep_stmt, PgFdwConnState **state)
make_new_connection(entry, user);
/*
* We check the health of the cached connection here when starting a new
* remote transaction. If a broken connection is detected, we try to
* reestablish a new connection later.
* We check the health of the cached connection here when using it. In
* cases where we're out of all transactions, if a broken connection is
* detected, we try to reestablish a new connection later.
*/
PG_TRY();
{
@ -215,9 +215,7 @@ GetConnection(UserMapping *user, bool will_prep_stmt, PgFdwConnState **state)
ErrorData *errdata = CopyErrorData();
/*
* If connection failure is reported when starting a new remote
* transaction (not subtransaction), new connection will be
* reestablished later.
* Determine whether to try to reestablish the connection.
*
* After a broken connection is detected in libpq, any error other
* than connection failure (e.g., out-of-memory) can be thrown