text: /*-------------------------------------------------------------------------
   *
   * ruleutils.h
   *		Declarations for ruleutils.c
   *
   * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * src/include/utils/ruleutils.h
   *
   *-------------------------------------------------------------------------
   */
  #ifndef RULEUTILS_H
  #define RULEUTILS_H
  
  #include "nodes/nodes.h"
  #include "nodes/parsenodes.h"
  #include "nodes/pg_list.h"
  
  struct Plan;					/* avoid including plannodes.h here */
  struct PlannedStmt;
  
  
  extern char *pg_get_indexdef_string(Oid indexrelid);
  extern char *pg_get_indexdef_columns(Oid indexrelid, bool pretty);
  
  extern char *pg_get_partkeydef_columns(Oid relid, bool pretty);
  extern char *pg_get_partconstrdef_string(Oid partitionId, char *aliasname);
  
  extern char *pg_get_constraintdef_command(Oid constraintId);
  extern char *deparse_expression(Node *expr, List *dpcontext,
  								bool forceprefix, bool showimplicit);
  extern List *deparse_context_for(const char *aliasname, Oid relid);
  extern List *deparse_context_for_plan_tree(struct PlannedStmt *pstmt,
  										   List *rtable_names);
  extern List *set_deparse_context_plan(List *dpcontext,
  									  struct Plan *plan, List *ancestors);
  extern List *select_rtable_names_for_explain(List *rtable,
  											 Bitmapset *rels_used);
  extern char *generate_collation_name(Oid collid);
  extern char *generate_opclass_name(Oid opclass);
  extern char *get_range_partbound_string(List *bound_datums);
  
  extern char *pg_get_statisticsobjdef_string(Oid statextid);
  
  #ifdef ADB
  extern List *deparse_context_for_plan(Node *plan, List *ancestors,
  									  List *rtable);
  
  extern void deparse_query(Query *query, StringInfo buf, List *parentnamespace,
  						  bool finalise_aggs, bool sortgroup_colno);
  extern char* deparse_to_reduce_modulo(Relation rel, RelationLocInfo *loc);
  #endif
  
  #endif							/* RULEUTILS_H */
  