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/*-------------------------------------------------------------------------
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* prototypes for pathnode.c, relnode.c.
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* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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* src/include/optimizer/pathnode.h
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*-------------------------------------------------------------------------
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#include "nodes/relation.h"
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* prototypes for pathnode.c
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extern int compare_path_costs(Path *path1, Path *path2,
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CostSelector criterion);
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extern int compare_fractional_path_costs(Path *path1, Path *path2,
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extern void set_cheapest(RelOptInfo *parent_rel);
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extern void add_path(RelOptInfo *parent_rel, Path *new_path);
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extern Path *create_seqscan_path(PlannerInfo *root, RelOptInfo *rel);
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extern IndexPath *create_index_path(PlannerInfo *root,
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ScanDirection indexscandir,
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RelOptInfo *outer_rel);
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extern BitmapHeapPath *create_bitmap_heap_path(PlannerInfo *root,
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RelOptInfo *outer_rel);
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extern BitmapAndPath *create_bitmap_and_path(PlannerInfo *root,
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extern BitmapOrPath *create_bitmap_or_path(PlannerInfo *root,
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extern TidPath *create_tidscan_path(PlannerInfo *root, RelOptInfo *rel,
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extern AppendPath *create_append_path(RelOptInfo *rel, List *subpaths);
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extern MergeAppendPath *create_merge_append_path(PlannerInfo *root,
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extern ResultPath *create_result_path(List *quals);
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extern MaterialPath *create_material_path(RelOptInfo *rel, Path *subpath);
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extern UniquePath *create_unique_path(PlannerInfo *root, RelOptInfo *rel,
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Path *subpath, SpecialJoinInfo *sjinfo);
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extern Path *create_subqueryscan_path(RelOptInfo *rel, List *pathkeys);
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extern Path *create_functionscan_path(PlannerInfo *root, RelOptInfo *rel);
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extern Path *create_valuesscan_path(PlannerInfo *root, RelOptInfo *rel);
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extern Path *create_ctescan_path(PlannerInfo *root, RelOptInfo *rel);
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extern Path *create_worktablescan_path(PlannerInfo *root, RelOptInfo *rel);
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extern ForeignPath *create_foreignscan_path(PlannerInfo *root, RelOptInfo *rel);
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extern NestPath *create_nestloop_path(PlannerInfo *root,
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SpecialJoinInfo *sjinfo,
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List *restrict_clauses,
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extern MergePath *create_mergejoin_path(PlannerInfo *root,
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SpecialJoinInfo *sjinfo,
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List *restrict_clauses,
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extern HashPath *create_hashjoin_path(PlannerInfo *root,
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SpecialJoinInfo *sjinfo,
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List *restrict_clauses,
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* prototypes for relnode.c
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extern RelOptInfo *build_simple_rel(PlannerInfo *root, int relid,
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RelOptKind reloptkind);
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extern RelOptInfo *find_base_rel(PlannerInfo *root, int relid);
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extern RelOptInfo *find_join_rel(PlannerInfo *root, Relids relids);
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extern RelOptInfo *build_join_rel(PlannerInfo *root,
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RelOptInfo *outer_rel,
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RelOptInfo *inner_rel,
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SpecialJoinInfo *sjinfo,
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List **restrictlist_ptr);
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#endif /* PATHNODE_H */