| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /*------------------------------------------------------------------------- |
| * |
| * pathnode.h |
| * prototypes for pathnode.c, relnode.c. |
| * |
| * |
| * Portions Copyright (c) 2005-2008, Greenplum inc |
| * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/optimizer/pathnode.h,v 1.72 2006/10/04 00:30:09 momjian Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef PATHNODE_H |
| #define PATHNODE_H |
| |
| #include "nodes/relation.h" |
| #include "cdb/cdbdef.h" /* CdbVisitOpt */ |
| |
| /* |
| * prototypes for pathnode.c |
| */ |
| |
| Path * |
| pathnode_copy_node(const Path *s); |
| |
| CdbVisitOpt |
| pathnode_walk_node(Path *path, |
| CdbVisitOpt (*walker)(Path *path, void *context), |
| void *context); |
| CdbVisitOpt |
| pathnode_walk_kids(Path *path, |
| CdbVisitOpt (*walker)(Path *path, void *context), |
| void *context); |
| CdbVisitOpt |
| pathnode_walk_list(List *pathlist, |
| CdbVisitOpt (*walker)(Path *path, void *context), |
| void *context); |
| |
| extern int compare_path_costs(Path *path1, Path *path2, |
| CostSelector criterion); |
| extern int compare_fractional_path_costs(Path *path1, Path *path2, |
| double fraction); |
| extern void set_cheapest(PlannerInfo *root, RelOptInfo *parent_rel); /*CDB*/ |
| extern void add_path(PlannerInfo *root, RelOptInfo *parent_rel, Path *new_path); |
| |
| extern Path *create_seqscan_path(PlannerInfo *root, RelOptInfo *rel); |
| extern ExternalPath *create_external_path(PlannerInfo *root, RelOptInfo *rel); |
| extern AppendOnlyPath *create_appendonly_path(PlannerInfo *root, RelOptInfo *rel); |
| extern ParquetPath *create_parquet_path(PlannerInfo *root, RelOptInfo *rel); |
| extern IndexPath *create_index_path(PlannerInfo *root, |
| IndexOptInfo *index, |
| List *clause_groups, |
| List *pathkeys, |
| ScanDirection indexscandir, |
| RelOptInfo *outer_rel); |
| extern BitmapHeapPath *create_bitmap_heap_path(PlannerInfo *root, |
| RelOptInfo *rel, |
| Path *bitmapqual, |
| RelOptInfo *outer_rel); |
| extern BitmapTableScanPath *create_bitmap_table_scan_path(PlannerInfo *root, |
| RelOptInfo *rel, |
| Path *bitmapqual, |
| RelOptInfo *outer_rel); |
| extern BitmapAndPath *create_bitmap_and_path(PlannerInfo *root, |
| RelOptInfo *rel, |
| List *bitmapquals); |
| extern BitmapOrPath *create_bitmap_or_path(PlannerInfo *root, |
| RelOptInfo *rel, |
| List *bitmapquals); |
| extern TidPath *create_tidscan_path(PlannerInfo *root, RelOptInfo *rel, |
| List *tidquals); |
| extern AppendPath *create_append_path(PlannerInfo *root, RelOptInfo *rel, List *subpaths); |
| extern ResultPath *create_result_path(RelOptInfo *rel, Path *subpath, |
| List *quals); |
| extern MaterialPath *create_material_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath); |
| UniquePath *create_unique_exprlist_path(PlannerInfo *root, |
| Path *subpath, |
| List *distinct_on_exprs); |
| UniquePath *create_unique_rowid_path(PlannerInfo *root, |
| Path *subpath, |
| Relids dedup_relids); |
| extern Path *create_subqueryscan_path(PlannerInfo *root, RelOptInfo *rel, List *pathkeys); |
| extern Path *create_functionscan_path(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte); |
| extern Path *create_tablefunction_path(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte); |
| extern Path *create_valuesscan_path(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte); |
| extern Path *create_ctescan_path(PlannerInfo *root, RelOptInfo *rel, List *pathkeys); |
| |
| extern NestPath *create_nestloop_path(PlannerInfo *root, |
| RelOptInfo *joinrel, |
| JoinType jointype, |
| Path *outer_path, |
| Path *inner_path, |
| List *restrict_clauses, |
| List *mergeclause_list, /*CDB*/ |
| List *pathkeys); |
| |
| extern MergePath *create_mergejoin_path(PlannerInfo *root, |
| RelOptInfo *joinrel, |
| JoinType jointype, |
| Path *outer_path, |
| Path *inner_path, |
| List *restrict_clauses, |
| List *pathkeys, |
| List *mergeclauses, |
| List *allmergeclauses, /*CDB*/ |
| List *outersortkeys, |
| List *innersortkeys); |
| |
| extern HashPath *create_hashjoin_path(PlannerInfo *root, |
| RelOptInfo *joinrel, |
| JoinType jointype, |
| Path *outer_path, |
| Path *inner_path, |
| List *restrict_clauses, |
| List *mergeclause_list, /*CDB*/ |
| List *hashclauses, |
| bool freeze_outer_path); |
| |
| /* |
| * prototypes for relnode.c |
| */ |
| extern RelOptInfo *build_simple_rel(PlannerInfo *root, int relid, |
| RelOptKind reloptkind); |
| extern RelOptInfo *find_base_rel(PlannerInfo *root, int relid); |
| extern RelOptInfo *find_join_rel(PlannerInfo *root, Relids relids); |
| extern RelOptInfo *build_join_rel(PlannerInfo *root, |
| Relids joinrelids, |
| RelOptInfo *outer_rel, |
| RelOptInfo *inner_rel, |
| JoinType jointype, |
| List **restrictlist_ptr); |
| void |
| build_joinrel_tlist(PlannerInfo *root, RelOptInfo *joinrel, List *input_tlist); |
| |
| void |
| add_vars_to_targetlist(PlannerInfo *root, List *vars, Relids where_needed); |
| |
| extern List *build_relation_tlist(RelOptInfo *rel); |
| |
| Var * |
| cdb_define_pseudo_column(PlannerInfo *root, |
| RelOptInfo *rel, |
| const char *colname, |
| Expr *defexpr, |
| int32 width); |
| |
| CdbRelColumnInfo * |
| cdb_find_pseudo_column(PlannerInfo *root, Var *var); |
| |
| CdbRelColumnInfo * |
| cdb_rte_find_pseudo_column(RangeTblEntry *rte, AttrNumber attno); |
| |
| CdbRelDedupInfo * |
| cdb_make_rel_dedup_info(PlannerInfo *root, RelOptInfo *rel); |
| |
| #endif /* PATHNODE_H */ |