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db_include/optimizer/appendinfo.h

@@ -0,0 +1,50 @@
+/*-------------------------------------------------------------------------
+ *
+ * appendinfo.h
+ *	  Routines for mapping expressions between append rel parent(s) and
+ *	  children
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/appendinfo.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef APPENDINFO_H
+#define APPENDINFO_H
+
+#include "nodes/pathnodes.h"
+#include "utils/relcache.h"
+
+extern AppendRelInfo *make_append_rel_info(Relation parentrel,
+										   Relation childrel,
+										   Index parentRTindex, Index childRTindex);
+extern Node *adjust_appendrel_attrs(PlannerInfo *root, Node *node,
+									int nappinfos, AppendRelInfo **appinfos);
+extern Node *adjust_appendrel_attrs_multilevel(PlannerInfo *root, Node *node,
+											   Relids child_relids,
+											   Relids top_parent_relids);
+extern Relids adjust_child_relids(Relids relids, int nappinfos,
+								  AppendRelInfo **appinfos);
+extern Relids adjust_child_relids_multilevel(PlannerInfo *root, Relids relids,
+											 Relids child_relids,
+											 Relids top_parent_relids);
+extern List *adjust_inherited_attnums(List *attnums, AppendRelInfo *context);
+extern List *adjust_inherited_attnums_multilevel(PlannerInfo *root,
+												 List *attnums,
+												 Index child_relid,
+												 Index top_parent_relid);
+extern void get_translated_update_targetlist(PlannerInfo *root, Index relid,
+											 List **processed_tlist,
+											 List **update_colnos);
+extern AppendRelInfo **find_appinfos_by_relids(PlannerInfo *root,
+											   Relids relids, int *nappinfos);
+extern void add_row_identity_var(PlannerInfo *root, Var *rowid_var,
+								 Index rtindex, const char *rowid_name);
+extern void add_row_identity_columns(PlannerInfo *root, Index rtindex,
+									 RangeTblEntry *target_rte,
+									 Relation target_relation);
+extern void distribute_row_identity_vars(PlannerInfo *root);
+
+#endif							/* APPENDINFO_H */