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Create a new 'MultiExecProcNode' call API for plan nodes that don't

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return just a single tuple at a time.  Currently the only such node
type is Hash, but I expect we will soon have indexscans that can return
tuple bitmaps.  A side benefit is that EXPLAIN ANALYZE now shows the
correct tuple count for a Hash node.
This commit is contained in:
Tom Lane
2005-04-16 20:07:35 +00:00
parent 85eee28cec
commit d8b1bf4791
9 changed files with 121 additions and 39 deletions
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11
src/backend/commands/explain.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.131 2005/03/25 21:57:58 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.132 2005/04/16 20:07:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -47,7 +47,7 @@ typedef struct ExplainState
static void ExplainOneQuery(Query *query, ExplainStmt *stmt,
TupOutputState *tstate);
static double elapsed_time(instr_time * starttime);
static double elapsed_time(instr_time *starttime);
static void explain_outNode(StringInfo str,
Plan *plan, PlanState *planstate,
Plan *outer_plan,
@ -296,7 +296,7 @@ ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt,
{
int nt;
if (!rInfo->ri_TrigDesc)
if (!rInfo->ri_TrigDesc || !rInfo->ri_TrigInstrument)
continue;
for (nt = 0; nt < rInfo->ri_TrigDesc->numtriggers; nt++)
{
@ -366,7 +366,7 @@ ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt,
/* Compute elapsed time in seconds since given timestamp */
static double
elapsed_time(instr_time * starttime)
elapsed_time(instr_time *starttime)
{
instr_time endtime;
@ -663,7 +663,8 @@ explain_outNode(StringInfo str,
* We have to forcibly clean up the instrumentation state because
* we haven't done ExecutorEnd yet. This is pretty grotty ...
*/
InstrEndLoop(planstate->instrument);
if (planstate->instrument)
InstrEndLoop(planstate->instrument);
if (planstate->instrument && planstate->instrument->nloops > 0)
{