planmain.h
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:2k
- /*-------------------------------------------------------------------------
- *
- * planmain.h
- * prototypes for various files in optimizer/plan
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: planmain.h,v 1.28 1999/06/06 17:38:09 tgl Exp $
- *
- *-------------------------------------------------------------------------
- */
- #ifndef PLANMAIN_H
- #define PLANMAIN_H
- #include "nodes/nodes.h"
- #include "nodes/plannodes.h"
- #include "nodes/parsenodes.h"
- #include "nodes/relation.h"
- /*
- * prototypes for plan/planmain.c
- */
- extern Plan *query_planner(Query *root,
- int command_type, List *tlist, List *qual);
- /*
- * prototypes for plan/createplan.c
- */
- extern Plan *create_plan(Path *best_path);
- extern SeqScan *make_seqscan(List *qptlist, List *qpqual, Index scanrelid,
- Plan *lefttree);
- extern Sort *make_sort(List *tlist, Oid nonameid, Plan *lefttree,
- int keycount);
- extern Agg *make_agg(List *tlist, Plan *lefttree);
- extern Group *make_group(List *tlist, bool tuplePerGroup, int ngrp,
- AttrNumber *grpColIdx, Sort *lefttree);
- extern Unique *make_unique(List *tlist, Plan *lefttree, char *uniqueAttr);
- /*
- * prototypes for plan/initsplan.c
- */
- extern void make_var_only_tlist(Query *root, List *tlist);
- extern void add_restrict_and_join_to_rels(Query *root, List *clauses);
- extern void set_joininfo_mergeable_hashable(List *rel_list);
- extern void add_missing_vars_to_tlist(Query *root, List *tlist);
- /*
- * prototypes for plan/setrefs.c
- */
- extern void set_tlist_references(Plan *plan);
- extern List *join_references(List *clauses, List *outer_tlist,
- List *inner_tlist);
- extern List *index_outerjoin_references(List *inner_indxqual,
- List *outer_tlist, Index inner_relid);
- extern void replace_tlist_with_subplan_refs(List *tlist,
- Index subvarno,
- List *subplanTargetList);
- extern bool set_agg_tlist_references(Agg *aggNode);
- extern void check_having_for_ungrouped_vars(Node *clause,
- List *groupClause,
- List *targetList);
- extern void transformKeySetQuery(Query *origNode);
- #endif /* PLANMAIN_H */