Function ExplainIndentText

src/backend/commands/explain.c:6008–6014

* Indent a text-format line. * * We indent by two spaces per indentation level. However, when emitting * data for a parallel worker there might already be data on the current line * (cf. ExplainOpenWorker); in that case, don't indent any more. */

 * (cf. ExplainOpenWorker); in that case, don't indent any more.
 */
static void
ExplainIndentText(ExplainState *es)
{
	Assert(es->format == EXPLAIN_FORMAT_TEXT);
	if (es->str->len == 0 || es->str->data[es->str->len - 1] == '\n')
		appendStringInfoSpaces(es->str, es->indent * 2);
}

/*
 * Emit a JSON line ending.