FBResultSet(XSQLVAR[] xsqlvars, ArrayList rows) throws SQLException { fbFetcher = new FBCachedFetcher(rows);  this.xsqlvars = xsqlvars;
FBResultSet(FBManagedConnection mc, FBStatement fbstatement, isc_stmt_handle stmt) { fbFetcher = new FBStatementFetcher(mc, fbstatement, stmt); this.mc = mc; xsqlvars = stmt.getOutSqlda().sqlvar;
    FBResultSet(/*FBManagedConnection mc, */XSQLVAR[] xsqlvars, ArrayList rows) throws SQLException {        fbFetcher = new FBCachedFetcher(rows);        //this.mc = mc;        this.xsqlvars = xsqlvars;    }