1 files changed, 56 insertions, 0 deletions
diff --git a/src/include/optimizer/prep.h b/src/include/optimizer/prep.h
new file mode 100644
index 0000000..bcd2a86
--- /dev/null
+++ b/src/include/optimizer/prep.h
@@ -0,0 +1,56 @@
+/*-------------------------------------------------------------------------
+ *
+ * prep.h
+ *	  prototypes for files in optimizer/prep/
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/prep.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PREP_H
+#define PREP_H
+
+#include "nodes/pathnodes.h"
+#include "nodes/plannodes.h"
+
+
+/*
+ * prototypes for prepjointree.c
+ */
+extern void replace_empty_jointree(Query *parse);
+extern void pull_up_sublinks(PlannerInfo *root);
+extern void preprocess_function_rtes(PlannerInfo *root);
+extern void pull_up_subqueries(PlannerInfo *root);
+extern void flatten_simple_union_all(PlannerInfo *root);
+extern void reduce_outer_joins(PlannerInfo *root);
+extern void remove_useless_result_rtes(PlannerInfo *root);
+extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
+extern Relids get_relids_for_join(Query *query, int joinrelid);
+
+/*
+ * prototypes for preptlist.c
+ */
+extern void preprocess_targetlist(PlannerInfo *root);
+
+extern List *extract_update_targetlist_colnos(List *tlist);
+
+extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
+
+/*
+ * prototypes for prepagg.c
+ */
+extern void get_agg_clause_costs(PlannerInfo *root, AggSplit aggsplit,
+								 AggClauseCosts *agg_costs);
+extern void preprocess_aggrefs(PlannerInfo *root, Node *clause);
+
+/*
+ * prototypes for prepunion.c
+ */
+extern RelOptInfo *plan_set_operations(PlannerInfo *root);
+
+
+#endif							/* PREP_H */