explain_dr.h File Reference

#include "executor/instrument.h"
#include "tcop/dest.h"

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Data Structures
struct	SerializeMetrics

Typedefs
typedef struct ExplainState	ExplainState
typedef struct SerializeMetrics	SerializeMetrics

Functions
DestReceiver *	CreateExplainSerializeDestReceiver (ExplainState *es)
SerializeMetrics	GetSerializationMetrics (DestReceiver *dest)

Typedef Documentation

ExplainState

typedef struct ExplainState ExplainState

Definition at line 20 of file explain_dr.h.

SerializeMetrics

typedef struct SerializeMetrics SerializeMetrics

Function Documentation

CreateExplainSerializeDestReceiver()

DestReceiver * CreateExplainSerializeDestReceiver ( ExplainState *  es )

extern

Definition at line 275 of file explain_dr.c.

{
    SerializeDestReceiver *self;
 
    self = palloc0_object(SerializeDestReceiver);
 
    self->pub.receiveSlot = serializeAnalyzeReceive;
    self->pub.rStartup = serializeAnalyzeStartup;
    self->pub.rShutdown = serializeAnalyzeShutdown;
    self->pub.rDestroy = serializeAnalyzeDestroy;
    self->pub.mydest = DestExplainSerialize;
 
    self->es = es;
 
    return (DestReceiver *) self;
}

References DestExplainSerialize, SerializeDestReceiver::es, _DestReceiver::mydest, palloc0_object, SerializeDestReceiver::pub, _DestReceiver::rDestroy, _DestReceiver::receiveSlot, _DestReceiver::rShutdown, _DestReceiver::rStartup, serializeAnalyzeDestroy(), serializeAnalyzeReceive(), serializeAnalyzeShutdown(), and serializeAnalyzeStartup().

Referenced by CreateDestReceiver(), and ExplainOnePlan().

GetSerializationMetrics()

SerializeMetrics GetSerializationMetrics ( DestReceiver *  dest )

extern

Definition at line 300 of file explain_dr.c.

{
    SerializeMetrics empty;
 
    if (dest->mydest == DestExplainSerialize)
        return ((SerializeDestReceiver *) dest)->metrics;
 
    memset(&empty, 0, sizeof(SerializeMetrics));
    INSTR_TIME_SET_ZERO(empty.timeSpent);
 
    return empty;
}

References DestExplainSerialize, fb(), INSTR_TIME_SET_ZERO, and SerializeMetrics::timeSpent.

Referenced by ExplainOnePlan().