explain_dr.h

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/*-------------------------------------------------------------------------
 *
 * explain_dr.h
 *    prototypes for explain_dr.c
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994-5, Regents of the University of California
 *
 * src/include/commands/explain_dr.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef EXPLAIN_DR_H
#define EXPLAIN_DR_H
 
#include "executor/instrument.h"
#include "tcop/dest.h"
 
struct ExplainState;            /* avoid including explain.h here */
 
/* Instrumentation data for EXPLAIN's SERIALIZE option */
typedef struct SerializeMetrics
{
    uint64      bytesSent;      /* # of bytes serialized */
    instr_time  timeSpent;      /* time spent serializing */
    BufferUsage bufferUsage;    /* buffers accessed during serialization */
} SerializeMetrics;
 
extern DestReceiver *CreateExplainSerializeDestReceiver(struct ExplainState *es);
extern SerializeMetrics GetSerializationMetrics(DestReceiver *dest);
 
#endif