public final HiveParser.columnNameList_return columnNameList() throws RecognitionException {
		HiveParser.columnNameList_return retval = new HiveParser.columnNameList_return();
		retval.start = input.LT(1);

		CommonTree root_0 = null;

		Token COMMA641=null;
		ParserRuleReturnScope columnName640 =null;
		ParserRuleReturnScope columnName642 =null;

		CommonTree COMMA641_tree=null;
		RewriteRuleTokenStream stream_COMMA=new RewriteRuleTokenStream(adaptor,"token COMMA");
		RewriteRuleSubtreeStream stream_columnName=new RewriteRuleSubtreeStream(adaptor,"rule columnName");

		 msgs.push("column name list"); 
		try {
			// HiveParser.g:1649:5: ( columnName ( COMMA columnName )* -> ^( TOK_TABCOLNAME ( columnName )+ ) )
			// HiveParser.g:1649:7: columnName ( COMMA columnName )*
			{
			pushFollow(FOLLOW_columnName_in_columnNameList9880);
			columnName640=columnName();
			state._fsp--;

			stream_columnName.add(columnName640.getTree());
			// HiveParser.g:1649:18: ( COMMA columnName )*
			loop172:
			while (true) {
				int alt172=2;
				int LA172_0 = input.LA(1);
				if ( (LA172_0==COMMA) ) {
					alt172=1;
				}

				switch (alt172) {
				case 1 :
					// HiveParser.g:1649:19: COMMA columnName
					{
					COMMA641=(Token)match(input,COMMA,FOLLOW_COMMA_in_columnNameList9883);  
					stream_COMMA.add(COMMA641);

					pushFollow(FOLLOW_columnName_in_columnNameList9885);
					columnName642=columnName();
					state._fsp--;

					stream_columnName.add(columnName642.getTree());
					}
					break;

				default :
					break loop172;
				}
			}

			// AST REWRITE
			// elements: columnName
			// token labels: 
			// rule labels: retval
			// 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);

			root_0 = (CommonTree)adaptor.nil();
			// 1649:38: -> ^( TOK_TABCOLNAME ( columnName )+ )
			{
				// HiveParser.g:1649:41: ^( TOK_TABCOLNAME ( columnName )+ )
				{
				CommonTree root_1 = (CommonTree)adaptor.nil();
				root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(TOK_TABCOLNAME, "TOK_TABCOLNAME"), root_1);
				if ( !(stream_columnName.hasNext()) ) {
					throw new RewriteEarlyExitException();
				}
				while ( stream_columnName.hasNext() ) {
					adaptor.addChild(root_1, stream_columnName.nextTree());
				}
				stream_columnName.reset();

				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);

			 msgs.pop(); 
		}

		catch (RecognitionException e) {
		 reportError(e);
		  throw e;
		}

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