this.mc = c.mc; fbFetcher = new FBStatementFetcher(this.mc, fbstatement, stmt);
    FBResultSet(FBConnection c, FBStatement fbstatement, isc_stmt_handle stmt) {        this.c = c;        this.mc = c.mc;        fbFetcher = new FBStatementFetcher(this.mc, fbstatement, stmt);        xsqlvars = stmt.getOutSqlda().sqlvar;    }