boolean isAlterTable ) throws ParsingException {
String tableElementString = getTableElementsString(tokens, false);
DdlTokenStream localTokens = new DdlTokenStream(tableElementString, DdlTokenStream.ddlTokenizer(false), false);
localTokens.start();
StringBuffer unusedTokensSB = new StringBuffer();
do {
if (isColumnDefinitionStart(localTokens)) {