Function cdbexplain_showExecStatsEnd

src/backend/commands/explain_gp.c:1898–1941

* cdbexplain_showExecStatsEnd * Called by qDisp process to format the overall statistics for a query * into the caller's buffer. * * 'ctx' is the CdbExplain_ShowStatCtx object which was created by a call to * cdbexplain_showExecStatsBegin() and contains statistics which have * been accumulated over a series of calls to cdbexplain_showExecStats(). * Invalid on return (it is freed). *

 * they will be free'd shortly by the end of statement anyway.
 */
static void
cdbexplain_showExecStatsEnd(struct PlannedStmt *stmt,
							struct CdbExplain_ShowStatCtx *showstatctx,
							struct EState *estate,
							ExplainState *es)
{
	if (!es->summary)
		return;

    gpexplain_formatSlicesOutput(showstatctx, estate, es);

	if (!IsResManagerMemoryPolicyNone())
	{
		ExplainOpenGroup("Statement statistics", "Statement statistics", true, es);
		if (es->format == EXPLAIN_FORMAT_TEXT)
			appendStringInfo(es->str, "Memory used:  %ldkB\n", (long) kb(stmt->query_mem));
		else
			ExplainPropertyInteger("Memory used", "kB", kb(stmt->query_mem), es);

		if (showstatctx->workmemwanted_max > 0)
		{
			long mem_wanted;

			mem_wanted = (long) PolicyAutoStatementMemForNoSpill(stmt,
							(uint64) showstatctx->workmemwanted_max);

			/*
			 * Round up to a kilobyte in case we end up requiring less than
			 * that.
			 */
			if (mem_wanted <= 1024L)
				mem_wanted = 1L;
			else
				mem_wanted = mem_wanted / 1024L;

			if (es->format == EXPLAIN_FORMAT_TEXT)
				appendStringInfo(es->str, "Memory wanted:  %ldkB\n", mem_wanted);
			else
				ExplainPropertyInteger("Memory wanted", "kB", mem_wanted, es);
		}

		ExplainCloseGroup("Statement statistics", "Statement statistics", true, es);
	}
}								/* cdbexplain_showExecStatsEnd */

/*
 * Given a statistics context search for all the slice statistics