Clear ->tuning bit on connection close.

If tuning query fails, the bit can stay set,
thus creating always-failing connection slot.

Report and analyze by Jonah Harris.

diff --git a/src/execute.c b/src/execute.c
index 385677ac08fe432ca13855455340671468d72a8e..3e937ff405a6e556c9c3da73fa1f4860ed8290d9 100644 (file)
--- a/src/execute.c
+++ b/src/execute.c
@@ -281,6 +281,7 @@ prepare_conn(ProxyFunction *func, ProxyConnection *conn)
                        PQfinish(conn->db);
                        conn->db = NULL;
                        conn->state = C_NONE;
+                       conn->tuning = 0;
                case C_NONE:
                        break;
        }