$PBExportHeader$f_rst_spt_bbala.srf
global type f_rst_spt_bbala from function_object
end type

forward prototypes
global function decimal f_rst_spt_bbala (long arg_accsetid, long arg_cmonth, string arg_subid, long arg_sptid, integer arg_dcflag, integer arg_postflag)
end prototypes

global function decimal f_rst_spt_bbala (long arg_accsetid, long arg_cmonth, string arg_subid, long arg_sptid, integer arg_dcflag, integer arg_postflag);//返回项目总帐期初数
Decimal rst_spt_amt
Decimal init_spt_debit,cur_spt_debit
Decimal init_spt_credit,cur_spt_credit

SELECT isnull(sum(uv_dept_bala.debit),0),
	isnull(sum(uv_dept_bala.credit),0)
	INTO :cur_spt_debit,:cur_spt_credit
	FROM uv_dept_bala,cw_subject
	WHERE ( uv_dept_bala.accsetid = cw_subject.accsetid ) AND
	( uv_dept_bala.subid = cw_subject.subid ) AND
	( cw_subject.detailflag = 1 ) AND
	( uv_dept_bala.accsetid = :arg_accsetid ) AND
	( uv_dept_bala.cmonth < :arg_cmonth ) AND
	( uv_dept_bala.subid LIKE :arg_subid ) AND
	( uv_dept_bala.sptid = :arg_sptid ) AND
	( uv_dept_bala.postflag = :arg_postflag OR :arg_postflag = -1 );
IF sqlca.SQLCode <> 0 THEN
	cur_spt_debit = 0
	cur_spt_credit = 0
END IF

SELECT isnull(uv_spt_init.debit,0),
	isnull(uv_spt_init.credit,0)
	INTO :init_spt_debit,:init_spt_credit
	FROM uv_spt_init,cw_subject
	WHERE ( uv_spt_init.accsetid = cw_subject.accsetid ) AND
	( uv_spt_init.subid = cw_subject.subid ) AND
	( cw_subject.detailflag = 1 ) AND
	( uv_spt_init.accsetid = :arg_accsetid ) AND
	( uv_spt_init.subid LIKE :arg_subid ) AND
	( uv_spt_init.sptid = :arg_sptid )  ;
IF sqlca.SQLCode <> 0 THEN
	init_spt_debit = 0
	init_spt_credit = 0
END IF

IF IsNull(cur_spt_debit) THEN cur_spt_debit = 0
IF IsNull(init_spt_debit) THEN init_spt_debit = 0
IF IsNull(cur_spt_credit) THEN cur_spt_credit = 0
IF IsNull(init_spt_credit) THEN init_spt_credit = 0

IF arg_dcflag = 1 THEN
	rst_spt_amt = (cur_spt_debit + init_spt_debit) - (cur_spt_credit - init_spt_credit)
ELSE
	rst_spt_amt = (cur_spt_credit - init_spt_credit) - (cur_spt_debit + init_spt_debit)
END IF

RETURN rst_spt_amt










end function