rewriteHandler.h

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/*-------------------------------------------------------------------------
 *
 * rewriteHandler.h
 *      External interface to query rewriter.
 *
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/rewrite/rewriteHandler.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef REWRITEHANDLER_H
#define REWRITEHANDLER_H
 
#include "nodes/parsenodes.h"
#include "utils/relcache.h"
 
extern List *QueryRewrite(Query *parsetree);
extern void AcquireRewriteLocks(Query *parsetree,
                                bool forExecute,
                                bool forUpdatePushedDown);
 
extern Node *build_column_default(Relation rel, int attrno);
 
extern Query *get_view_query(Relation view);
extern bool view_has_instead_trigger(Relation view, CmdType event,
                                     List *mergeActionList);
extern const char *view_query_is_auto_updatable(Query *viewquery,
                                                bool check_cols);
extern int  relation_is_updatable(Oid reloid,
                                  List *outer_reloids,
                                  bool include_triggers,
                                  Bitmapset *include_cols);
extern void error_view_not_updatable(Relation view,
                                     CmdType command,
                                     List *mergeActionList,
                                     const char *detail);
 
extern Node *expand_generated_columns_in_expr(Node *node, Relation rel, int rt_index);
extern Node *build_generation_expression(Relation rel, int attrno);
 
#endif                          /* REWRITEHANDLER_H */