this.rowExprsOs = rowExprsOs; this.rowLenOs = rowLenOs; this.exprNameSet = exprNameSet;
this.rowExprsDos = new DataOutputStream( rowExprsOs ); this.rowLenDos = new DataOutputStream( rowLenOs );
	public RowSaveUtil(int rowCount, OutputStream rowExprsOs,			OutputStream rowLenOs, Set exprNameSet) {		this.rowCount = rowCount;		this.currRowBytes = 0;		this.rowExprsOs = rowExprsOs;		this.rowLenOs = rowLenOs;		this.exprNameSet = exprNameSet;	}