[HACKERS] [bug fix] dblink leaks unnamed connections

Hello,

dblink fails to close the unnamed connection as follows when a new unnamed connection is requested.  The attached patch
fixesthis.
 



postgres=# select count(*) from pg_stat_activity;
 count
-------
     1
(1 row)

postgres=# select dblink_connect('dbname=postgres');
 dblink_connect
----------------
 OK
(1 row)

postgres=# select count(*) from pg_stat_activity;
 count
-------
     2
(1 row)

postgres=# select dblink_connect('dbname=postgres');
 dblink_connect
----------------
 OK
(1 row)

postgres=# select count(*) from pg_stat_activity;
 count
-------
     3
(1 row)


Regards
Takayuki Tsunakawa


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