public final HiveParser_SelectClauseParser.dateArgs_return dateArgs() throws RecognitionException {
		HiveParser_SelectClauseParser.dateArgs_return retval = new HiveParser_SelectClauseParser.dateArgs_return();
		retval.start = input.LT(1);

		CommonTree root_0 = null;

		Token c=null;
		ParserRuleReturnScope it =null;
		ParserRuleReturnScope et =null;

		CommonTree c_tree=null;
		RewriteRuleTokenStream stream_COMMA=new RewriteRuleTokenStream(adaptor,"token COMMA");
		RewriteRuleSubtreeStream stream_indefinite_date=new RewriteRuleSubtreeStream(adaptor,"rule indefinite_date");
		RewriteRuleSubtreeStream stream_explicit_time=new RewriteRuleSubtreeStream(adaptor,"rule explicit_time");

		 gParent.msgs.push("incremental arguments"); 
		try {
			// SelectClauseParser.g:210:5: (it= indefinite_date (c= COMMA et= explicit_time )? -> {c != null}? ^( TOK_DATETIME $it $et) -> ^( TOK_DATETIME $it) )
			// SelectClauseParser.g:211:6: it= indefinite_date (c= COMMA et= explicit_time )?
			{
			pushFollow(FOLLOW_indefinite_date_in_dateArgs1418);
			it=indefinite_date();
			state._fsp--;

			stream_indefinite_date.add(it.getTree());
			// SelectClauseParser.g:211:25: (c= COMMA et= explicit_time )?
			int alt29=2;
			int LA29_0 = input.LA(1);
			if ( (LA29_0==COMMA) ) {
				alt29=1;
			}
			switch (alt29) {
				case 1 :
					// SelectClauseParser.g:211:26: c= COMMA et= explicit_time
					{
					c=(Token)match(input,COMMA,FOLLOW_COMMA_in_dateArgs1423);  
					stream_COMMA.add(c);

					pushFollow(FOLLOW_explicit_time_in_dateArgs1427);
					et=explicit_time();
					state._fsp--;

					stream_explicit_time.add(et.getTree());
					}
					break;

			}

			// AST REWRITE
			// elements: it, it, et
			// token labels: 
			// rule labels: retval, it, et
			// token list labels: 
			// rule list labels: 
			// wildcard labels: 
			retval.tree = root_0;
			RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
			RewriteRuleSubtreeStream stream_it=new RewriteRuleSubtreeStream(adaptor,"rule it",it!=null?it.getTree():null);
			RewriteRuleSubtreeStream stream_et=new RewriteRuleSubtreeStream(adaptor,"rule et",et!=null?et.getTree():null);

			root_0 = (CommonTree)adaptor.nil();
			// 212:6: -> {c != null}? ^( TOK_DATETIME $it $et)
			if (c != null) {
				// SelectClauseParser.g:212:20: ^( TOK_DATETIME $it $et)
				{
				CommonTree root_1 = (CommonTree)adaptor.nil();
				root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(TOK_DATETIME, "TOK_DATETIME"), root_1);
				adaptor.addChild(root_1, stream_it.nextTree());
				adaptor.addChild(root_1, stream_et.nextTree());
				adaptor.addChild(root_0, root_1);
				}

			}

			else // 213:6: -> ^( TOK_DATETIME $it)
			{
				// SelectClauseParser.g:213:8: ^( TOK_DATETIME $it)
				{
				CommonTree root_1 = (CommonTree)adaptor.nil();
				root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(TOK_DATETIME, "TOK_DATETIME"), root_1);
				adaptor.addChild(root_1, stream_it.nextTree());
				adaptor.addChild(root_0, root_1);
				}

			}


			retval.tree = root_0;

			}

			retval.stop = input.LT(-1);

			retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
			adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);

			 gParent.msgs.pop(); 
		}

		catch (RecognitionException e) {
		  throw e;
		}

		finally {
			// do for sure before leaving
		}
		return retval;
	}