1 files changed, 34 insertions, 0 deletions
diff --git a/src/include/optimizer/paramassign.h b/src/include/optimizer/paramassign.h
new file mode 100644
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--- /dev/null
+++ b/src/include/optimizer/paramassign.h
@@ -0,0 +1,34 @@
+/*-------------------------------------------------------------------------
+ *
+ * paramassign.h
+ *		Functions for assigning PARAM_EXEC slots during planning.
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/paramassign.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PARAMASSIGN_H
+#define PARAMASSIGN_H
+
+#include "nodes/pathnodes.h"
+
+extern Param *replace_outer_var(PlannerInfo *root, Var *var);
+extern Param *replace_outer_placeholdervar(PlannerInfo *root,
+										   PlaceHolderVar *phv);
+extern Param *replace_outer_agg(PlannerInfo *root, Aggref *agg);
+extern Param *replace_outer_grouping(PlannerInfo *root, GroupingFunc *grp);
+extern Param *replace_nestloop_param_var(PlannerInfo *root, Var *var);
+extern Param *replace_nestloop_param_placeholdervar(PlannerInfo *root,
+													PlaceHolderVar *phv);
+extern void process_subquery_nestloop_params(PlannerInfo *root,
+											 List *subplan_params);
+extern List *identify_current_nestloop_params(PlannerInfo *root,
+											  Relids leftrelids);
+extern Param *generate_new_exec_param(PlannerInfo *root, Oid paramtype,
+									  int32 paramtypmod, Oid paramcollation);
+extern int	assign_special_exec_param(PlannerInfo *root);
+
+#endif							/* PARAMASSIGN_H */