greenplumn planshare 源码
greenplumn planshare 代码
文件路径：/src/include/optimizer/planshare.h
/*-------------------------------------------------------------------------
*
* planshare.h
* Prototypes and data structures for plan sharing
*
* Portions Copyright (c) 2007-2008, Greenplum inc
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/optimizer/planshare.h
*
*-------------------------------------------------------------------------
*/
#ifndef _PLANSHARE_H_
#define _PLANSHARE_H_
#include "nodes/plannodes.h"
extern Plan *prepare_plan_for_sharing(PlannerInfo *root, Plan *common);
extern Plan *share_prepared_plan(PlannerInfo *root, Plan *common);
#endif /* _PLANSHARE_H_ */
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