remove unused shippability definitions from planner.h

The ShippabilityStat type and shippability walker/test functions are not
really needed outside pgxcship.c.

diff --git a/src/include/pgxc/planner.h b/src/include/pgxc/planner.h
index 62c07c821b9a411458b185a50d85bf1e038efec1..095eca4e0089d5519eb5d751ba18d61de081e606 100644 (file)
--- a/src/include/pgxc/planner.h
+++ b/src/include/pgxc/planner.h
@@ -181,35 +181,6 @@ typedef struct
                                                                         */
 } Shippability_context;
 
-/* enum for reasons as to why a query/expression is not FQSable */
-typedef enum
-{
-       SS_UNSHIPPABLE_EXPR = 0,        /* it has unshippable expression */
-       SS_NEED_SINGLENODE,                     /* Has expressions which can be evaluated when
-                                                                * there is only a single node involved.
-                                                                * Athought aggregates too fit in this class, we
-                                                                * have a separate status to report aggregates,
-                                                                * see below.
-                                                                */
-       SS_NEEDS_COORD,                         /* the query needs Coordinator */
-       SS_VARLEVEL,                            /* one of its subqueries has a VAR
-                                                                * referencing an upper level query
-                                                                * relation
-                                                                */
-       SS_NO_NODES,                            /* no suitable nodes can be found to ship
-                                                                * the query
-                                                                */
-       SS_UNSUPPORTED_EXPR,            /* it has expressions currently unsupported
-                                                                * by FQS, but such expressions might be
-                                                                * supported by FQS in future
-                                                                */
-       SS_HAS_AGG_EXPR,                        /* it has aggregate expressions */
-       SS_UPDATES_DISTRIBUTION_COLUMN  /* query updates distribution column */
-} ShippabilityStat;
-
-extern bool pgxc_shippability_walker(Node *node, Shippability_context *sc_context);
-extern bool pgxc_test_shippability_reason(Shippability_context *context,
-                                                                                       ShippabilityStat reason);
 extern PlannedStmt *pgxc_direct_planner(Query *query, int cursorOptions,
                                                                                ParamListInfo boundParams);
 extern List *AddRemoteQueryNode(List *stmts, const char *queryString,