private QueryBuilderKraken parseUpdate(){
  Token token;
  UpdateQueryBuilder query=new UpdateQueryBuilder(_tableManager,_sql);
  String tableName=parseTableName();
  query.setTableName(tableName);
  _query=query;
  if ((token=scanToken()) != Token.SET) {
    throw error(L.l("expected SET at {0}",token));
  }
  do {
    parseSetItem(query);
  }
 while ((token=scanToken()) == Token.COMMA);
  _token=token;
  ExprKraken whereExpr=null;
  token=scanToken();
  if (token == Token.WHERE) {
    whereExpr=parseExpr();
  }
 else   if (token != null && token != Token.EOF) {
    throw error("expected WHERE at '{0}'",token);
  }
  ParamExpr[] params=_params.toArray(new ParamExpr[_params.size()]);
  query.setParams(params);
  query.setWhereExpr(whereExpr);
  return query;
}

private QueryBuilderKraken parseUpdate ( ) { Token token ; UpdateQueryBuilder query = new UpdateQueryBuilder ( _tableManager , _sql ) ; String tableName = parseTableName ( ) ; query . setTableName ( tableName ) ; _query = query ; if ( ( token = scanToken ( ) ) != Token . SET ) { throw error ( L . l ( "expected SET at {0}" , token ) ) ; } do { parseSetItem ( query ) ; } while ( ( token = scanToken ( ) ) == Token . COMMA ) ; _token = token ; ExprKraken whereExpr = null ; token = scanToken ( ) ; if ( token == Token . WHERE ) { whereExpr = parseExpr ( ) ; } else if ( token != null && token != Token . EOF ) { throw error ( "expected WHERE at '{0}'" , token ) ; } ParamExpr [ ] params = _params . toArray ( new ParamExpr [ _params . size ( ) ] ) ; query . setParams ( params ) ; query . setWhereExpr ( whereExpr ) ; return query ; }
parses the update . update table_name set a = ? , b = ? where expr
