src/include/executor/nodeIndexonlyscan.h - master - githubmirror/postgres

src/include/executor/nodeIndexonlyscan.h

43 строки2 KB

Melanie Plageman

Allocate separate DSM chunk for parallel Index[Only]Scan instrumentation

07 апр 2026, 02:10

07 апр 2026, 02:10dd78e69

/*-------------------------------------------------------------------------
 *
 * nodeIndexonlyscan.h
 *
 *
 *
 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/executor/nodeIndexonlyscan.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef NODEINDEXONLYSCAN_H
#define NODEINDEXONLYSCAN_H

#include "access/parallel.h"
#include "nodes/execnodes.h"

extern IndexOnlyScanState *ExecInitIndexOnlyScan(IndexOnlyScan *node, EState *estate, int eflags);
extern void ExecEndIndexOnlyScan(IndexOnlyScanState *node);
extern void ExecIndexOnlyMarkPos(IndexOnlyScanState *node);
extern void ExecIndexOnlyRestrPos(IndexOnlyScanState *node);
extern void ExecReScanIndexOnlyScan(IndexOnlyScanState *node);

/* Support functions for parallel index-only scans */
extern void ExecIndexOnlyScanEstimate(IndexOnlyScanState *node,
									  ParallelContext *pcxt);
extern void ExecIndexOnlyScanInitializeDSM(IndexOnlyScanState *node,
										   ParallelContext *pcxt);
extern void ExecIndexOnlyScanReInitializeDSM(IndexOnlyScanState *node,
											 ParallelContext *pcxt);
extern void ExecIndexOnlyScanInitializeWorker(IndexOnlyScanState *node,
											  ParallelWorkerContext *pwcxt);
extern void ExecIndexOnlyScanInstrumentEstimate(IndexOnlyScanState *node,
												ParallelContext *pcxt);
extern void ExecIndexOnlyScanInstrumentInitDSM(IndexOnlyScanState *node,
											   ParallelContext *pcxt);
extern void ExecIndexOnlyScanInstrumentInitWorker(IndexOnlyScanState *node,
												  ParallelWorkerContext *pwcxt);
extern void ExecIndexOnlyScanRetrieveInstrumentation(IndexOnlyScanState *node);

#endif							/* NODEINDEXONLYSCAN_H */