greenplumn prep 源码
greenplumn prep 代码
文件路径：/src/include/optimizer/prep.h
/*-------------------------------------------------------------------------
*
* prep.h
* prototypes for files in optimizer/prep/
*
*
* Portions Copyright (c) 2006-2008, Greenplum inc
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/prep.h
*
*-------------------------------------------------------------------------
*/
#ifndef PREP_H
#define PREP_H
#include "nodes/pathnodes.h"
#include "nodes/plannodes.h"
/*
* prototypes for prepjointree.c
*/
extern void replace_empty_jointree(Query *parse);
extern void pull_up_sublinks(PlannerInfo *root);
extern void inline_set_returning_functions(PlannerInfo *root);
extern void pull_up_subqueries(PlannerInfo *root);
extern void flatten_simple_union_all(PlannerInfo *root);
extern void reduce_outer_joins(PlannerInfo *root);
extern void remove_useless_result_rtes(PlannerInfo *root);
extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
extern Relids get_relids_for_join(Query *query, int joinrelid);
extern List *init_list_cteplaninfo(int numCtes);
/*
* prototypes for preptlist.c
*/
extern List *preprocess_targetlist(PlannerInfo *root);
extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
/*
* prototypes for prepunion.c
*/
extern RelOptInfo *plan_set_operations(PlannerInfo *root);
#endif /* PREP_H */
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