Function ExplainPropertyStringInfo

src/backend/commands/explain.c:5540–5566

}

static void
ExplainPropertyStringInfo(const char *qlabel, ExplainState *es, const char *fmt,...)
{
	StringInfoData buf;

	initStringInfo(&buf);

	for (;;)
	{
		va_list		args;
		int			needed;

		/* Try to format the data. */
		va_start(args, fmt);
		needed = appendStringInfoVA(&buf, fmt, args);
		va_end(args);

		if (needed == 0)
			break;

		/* Double the buffer size and try again. */
		enlargeStringInfo(&buf, needed);
	}

	ExplainPropertyText(qlabel, buf.data, es);
	pfree(buf.data);
}

/*
 * Explain a string-valued property.