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-rw-r--r--src/interfaces/libpq/libpq-int.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/interfaces/libpq/libpq-int.h b/src/interfaces/libpq/libpq-int.h
index 2bac59c3d87..2513766f591 100644
--- a/src/interfaces/libpq/libpq-int.h
+++ b/src/interfaces/libpq/libpq-int.h
@@ -361,6 +361,7 @@ struct pg_conn
PGnotify *notifyTail; /* newest unreported Notify msg */
/* Connection data */
+ /* See PQconnectPoll() for how we use 'int' and not 'pgsocket'. */
int sock; /* Unix FD for socket, -1 if not connected */
SockAddr laddr; /* Local address */
SockAddr raddr; /* Remote address */