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opt / td-agent / embedded / include / postgresql / server / optimizer /

📁 ..
📄 clauses.h(2.97 KB)
📄 cost.h(8.14 KB)
📄 geqo.h(2.12 KB)
📄 geqo_copy.h(966 B)
📄 geqo_gene.h(1.09 KB)
📄 geqo_misc.h(1.1 KB)
📄 geqo_mutation.h(959 B)
📄 geqo_pool.h(1.29 KB)
📄 geqo_random.h(1.28 KB)
📄 geqo_recombination.h(2.58 KB)
📄 geqo_selection.h(1015 B)
📄 joininfo.h(836 B)
📄 orclauses.h(562 B)
📄 pathnode.h(9.45 KB)
📄 paths.h(7.97 KB)
📄 placeholder.h(1.14 KB)
📄 plancat.h(1.78 KB)
📄 planmain.h(3.73 KB)
📄 planner.h(1.87 KB)
📄 predtest.h(668 B)
📄 prep.h(1.75 KB)
📄 restrictinfo.h(1.61 KB)
📄 subselect.h(1.68 KB)
📄 tlist.h(2.52 KB)
📄 var.h(1.55 KB)

Editing: tlist.h

/*-------------------------------------------------------------------------
 *
 * tlist.h
 *	  prototypes for tlist.c.
 *
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/optimizer/tlist.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef TLIST_H
#define TLIST_H

#include "nodes/relation.h"

extern TargetEntry *tlist_member(Node *node, List *targetlist);
extern TargetEntry *tlist_member_ignore_relabel(Node *node, List *targetlist);

extern List *add_to_flat_tlist(List *tlist, List *exprs);

extern List *get_tlist_exprs(List *tlist, bool includeJunk);

extern int	count_nonjunk_tlist_entries(List *tlist);

extern bool tlist_same_exprs(List *tlist1, List *tlist2);

extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK);
extern bool tlist_same_collations(List *tlist, List *colCollations, bool junkOK);

extern void apply_tlist_labeling(List *dest_tlist, List *src_tlist);

extern TargetEntry *get_sortgroupref_tle(Index sortref,
					 List *targetList);
extern TargetEntry *get_sortgroupclause_tle(SortGroupClause *sgClause,
						List *targetList);
extern Node *get_sortgroupclause_expr(SortGroupClause *sgClause,
						 List *targetList);
extern List *get_sortgrouplist_exprs(List *sgClauses,
						List *targetList);

extern SortGroupClause *get_sortgroupref_clause(Index sortref,
						List *clauses);
extern SortGroupClause *get_sortgroupref_clause_noerr(Index sortref,
							  List *clauses);

extern Oid *extract_grouping_ops(List *groupClause);
extern AttrNumber *extract_grouping_cols(List *groupClause, List *tlist);
extern bool grouping_is_sortable(List *groupClause);
extern bool grouping_is_hashable(List *groupClause);

extern PathTarget *make_pathtarget_from_tlist(List *tlist);
extern List *make_tlist_from_pathtarget(PathTarget *target);
extern PathTarget *copy_pathtarget(PathTarget *src);
extern PathTarget *create_empty_pathtarget(void);
extern void add_column_to_pathtarget(PathTarget *target,
						 Expr *expr, Index sortgroupref);
extern void add_new_column_to_pathtarget(PathTarget *target, Expr *expr);
extern void add_new_columns_to_pathtarget(PathTarget *target, List *exprs);
extern void apply_pathtarget_labeling_to_tlist(List *tlist, PathTarget *target);

/* Convenience macro to get a PathTarget with valid cost/width fields */
#define create_pathtarget(root, tlist) \
	set_pathtarget_cost_width(root, make_pathtarget_from_tlist(tlist))

#endif   /* TLIST_H */

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Editing: tlist.h

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