codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * tlist.h4 *	  prototypes for tlist.c.5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/optimizer/tlist.h11 *12 *-------------------------------------------------------------------------13 */14#ifndef TLIST_H15#define TLIST_H16 17#include "nodes/pathnodes.h"18 19 20extern TargetEntry *tlist_member(Expr *node, List *targetlist);21 22extern List *add_to_flat_tlist(List *tlist, List *exprs);23 24extern List *get_tlist_exprs(List *tlist, bool includeJunk);25 26extern bool tlist_same_exprs(List *tlist1, List *tlist2);27 28extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK);29extern bool tlist_same_collations(List *tlist, List *colCollations, bool junkOK);30 31extern void apply_tlist_labeling(List *dest_tlist, List *src_tlist);32 33extern Oid *extract_grouping_ops(List *groupClause);34extern Oid *extract_grouping_collations(List *groupClause, List *tlist);35extern AttrNumber *extract_grouping_cols(List *groupClause, List *tlist);36extern bool grouping_is_sortable(List *groupClause);37extern bool grouping_is_hashable(List *groupClause);38 39extern PathTarget *make_pathtarget_from_tlist(List *tlist);40extern List *make_tlist_from_pathtarget(PathTarget *target);41extern PathTarget *copy_pathtarget(PathTarget *src);42extern PathTarget *create_empty_pathtarget(void);43extern void add_column_to_pathtarget(PathTarget *target,44									 Expr *expr, Index sortgroupref);45extern void add_new_column_to_pathtarget(PathTarget *target, Expr *expr);46extern void add_new_columns_to_pathtarget(PathTarget *target, List *exprs);47extern void apply_pathtarget_labeling_to_tlist(List *tlist, PathTarget *target);48extern void split_pathtarget_at_srfs(PlannerInfo *root,49									 PathTarget *target, PathTarget *input_target,50									 List **targets, List **targets_contain_srfs);51 52/* Convenience macro to get a PathTarget with valid cost/width fields */53#define create_pathtarget(root, tlist) \54	set_pathtarget_cost_width(root, make_pathtarget_from_tlist(tlist))55 56#endif							/* TLIST_H */57