1 files changed, 30 insertions, 0 deletions
diff --git a/src/include/optimizer/joininfo.h b/src/include/optimizer/joininfo.h
new file mode 100644
index 0000000..753d2ef
--- /dev/null
+++ b/src/include/optimizer/joininfo.h
@@ -0,0 +1,30 @@
+/*-------------------------------------------------------------------------
+ *
+ * joininfo.h
+ *	  prototypes for joininfo.c.
+ *
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/joininfo.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef JOININFO_H
+#define JOININFO_H
+
+#include "nodes/pathnodes.h"
+
+
+extern bool have_relevant_joinclause(PlannerInfo *root,
+									 RelOptInfo *rel1, RelOptInfo *rel2);
+
+extern void add_join_clause_to_rels(PlannerInfo *root,
+									RestrictInfo *restrictinfo,
+									Relids join_relids);
+extern void remove_join_clause_from_rels(PlannerInfo *root,
+										 RestrictInfo *restrictinfo,
+										 Relids join_relids);
+
+#endif							/* JOININFO_H */