1 files changed, 49 insertions, 0 deletions
diff --git a/src/include/optimizer/restrictinfo.h b/src/include/optimizer/restrictinfo.h
new file mode 100644
index 0000000..0165ffd
--- /dev/null
+++ b/src/include/optimizer/restrictinfo.h
@@ -0,0 +1,49 @@
+/*-------------------------------------------------------------------------
+ *
+ * restrictinfo.h
+ *	  prototypes for restrictinfo.c.
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/restrictinfo.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef RESTRICTINFO_H
+#define RESTRICTINFO_H
+
+#include "nodes/pathnodes.h"
+
+
+/* Convenience macro for the common case of a valid-everywhere qual */
+#define make_simple_restrictinfo(root, clause)  \
+	make_restrictinfo(root, clause, true, false, false, 0, NULL, NULL, NULL)
+
+extern RestrictInfo *make_restrictinfo(PlannerInfo *root,
+									   Expr *clause,
+									   bool is_pushed_down,
+									   bool outerjoin_delayed,
+									   bool pseudoconstant,
+									   Index security_level,
+									   Relids required_relids,
+									   Relids outer_relids,
+									   Relids nullable_relids);
+extern RestrictInfo *commute_restrictinfo(RestrictInfo *rinfo, Oid comm_op);
+extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
+extern bool restriction_is_securely_promotable(RestrictInfo *restrictinfo,
+											   RelOptInfo *rel);
+extern List *get_actual_clauses(List *restrictinfo_list);
+extern List *extract_actual_clauses(List *restrictinfo_list,
+									bool pseudoconstant);
+extern void extract_actual_join_clauses(List *restrictinfo_list,
+										Relids joinrelids,
+										List **joinquals,
+										List **otherquals);
+extern bool join_clause_is_movable_to(RestrictInfo *rinfo, RelOptInfo *baserel);
+extern bool join_clause_is_movable_into(RestrictInfo *rinfo,
+										Relids currentrelids,
+										Relids current_and_outer);
+
+#endif							/* RESTRICTINFO_H */