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**__RI_HEADER!@ Do NOT REMOVE or MODIFY this line!!!! @!__RI_HEADER**
procedure RIDELETE
local llRetVal
llRetVal=.t.
IF (ISRLOCKED() and !deleted()) OR !RLOCK()
llRetVal=.F.
ELSE
IF !deleted()
DELETE
IF CURSORGETPROP('BUFFERING') > 1
=TABLEUPDATE()
ENDIF
llRetVal=pnerror=0
ENDIF not already deleted
ENDIF
UNLOCK RECORD (RECNO())
RETURN llRetVal
procedure RIUPDATE
lparameters tcFieldName,tcNewValue,tcCascadeParent
local llRetVal
llRetVal=.t.
IF ISRLOCKED() OR !RLOCK()
llRetVal=.F.
ELSE
IF EVAL(tcFieldName)<>tcNewValue
PRIVATE pcCascadeParent
pcCascadeParent=upper(iif(type("tcCascadeParent")<>"C","",tcCascadeParent))
REPLACE (tcFieldName) WITH tcNewValue
IF CURSORGETPROP('BUFFERING') > 1
=TABLEUPDATE()
ENDIF
llRetVal=pnerror=0
ENDIF values don't already match
ENDIF it's locked already, or I was able to lock it
UNLOCK RECORD (RECNO())
return llRetVal
procedure rierror
parameters tnErrNo,tcMessage,tcCode,tcProgram
local lnErrorRows,lnXX
lnErrorRows=alen(gaErrors,1)
if type('gaErrors[lnErrorRows,1]')<>"L"
dimension gaErrors[lnErrorRows+1,alen(gaErrors,2)]
lnErrorRows=lnErrorRows+1
endif
gaErrors[lnErrorRows,1]=tnErrNo
gaErrors[lnErrorRows,2]=tcMessage
gaErrors[lnErrorRows,3]=tcCode
gaErrors[lnErrorRows,4]=""
lnXX=1
do while !empty(program(lnXX))
gaErrors[lnErrorRows,4]=gaErrors[lnErrorRows,4]+","+;
program(lnXX)
lnXX=lnXX+1
enddo
gaErrors[lnErrorRows,5]=pcParentDBF
gaErrors[lnErrorRows,6]=pnParentRec
gaErrors[lnErrorRows,7]=pcParentID
gaErrors[lnErrorRows,8]=pcParentExpr
gaErrors[lnErrorRows,9]=pcChildDBF
gaErrors[lnErrorRows,10]=pnChildRec
gaErrors[lnErrorRows,11]=pcChildID
gaErrors[lnErrorRows,12]=pcChildExpr
return tnErrNo
PROCEDURE riopen
PARAMETERS tcTable,tcOrder
local lcCurWkArea,lcNewWkArea,lnInUseSpot
lnInUseSpot=atc(tcTable+"*",pcRIcursors)
IF lnInUseSpot=0
lcCurWkArea=select()
SELECT 0
lcNewWkArea=select()
IF NOT EMPTY(tcOrder)
USE (tcTable) AGAIN ORDER (tcOrder) ;
ALIAS ("__ri"+LTRIM(STR(SELECT()))) share
ELSE
USE (tcTable) AGAIN ALIAS ("__ri"+LTRIM(STR(SELECT()))) share
ENDIF
if pnerror=0
pcRIcursors=pcRIcursors+upper(tcTable)+"?"+STR(SELECT(),5)
else
lcNewWkArea=0
endif something bad happened while attempting to open the file
ELSE
lcNewWkArea=val(substr(pcRIcursors,lnInUseSpot+len(tcTable)+1,5))
pcRIcursors = strtran(pcRIcursors,upper(tcTable)+"*"+str(lcNewWkArea,5),;
upper(tcTable)+"?"+str(lcNewWkArea,5))
IF NOT EMPTY(tcOrder)
SET ORDER TO (tcOrder) IN (lcNewWkArea)
ENDIF sent an order
if pnerror<>0
lcNewWkArea=0
endif something bad happened while setting order
ENDIF
RETURN (lcNewWkArea)
PROCEDURE riend
PARAMETERS tlSuccess
local lnXX,lnSpot,lcWorkArea
IF tlSuccess
END TRANSACTION
ELSE
SET DELETED OFF
ROLLBACK
SET DELETED ON
ENDIF
IF EMPTY(pcRIolderror)
ON ERROR
ELSE
ON ERROR &pcRIolderror.
ENDIF
FOR lnXX=1 TO occurs("*",pcRIcursors)
lnSpot=atc("*",pcRIcursors,lnXX)+1
USE IN (VAL(substr(pcRIcursors,lnSpot,5)))
ENDFOR
IF pcOldCompat = "ON"
SET COMPATIBLE ON
ENDIF
IF pcOldDele="OFF"
SET DELETED OFF
ENDIF
IF pcOldExact="ON"
SET EXACT ON
ENDIF
IF pcOldTalk="ON"
SET TALK ON
ENDIF
do case
case empty(pcOldDBC)
set data to
case pcOldDBC<>DBC()
set data to (pcOldDBC)
endcase
RETURN .T.
PROCEDURE rireuse
* rireuse.prg
PARAMETERS tcTableName,tcWkArea
pcRIcursors = strtran(pcRIcursors,upper(tcTableName)+"?"+str(tcWkArea,5),;
upper(tcTableName)+"*"+str(tcWkArea,5))
RETURN .t.
********************************************************************************
** "参照完整性删除触发器" rxsdtb
PROCEDURE __RI_DELETE_rxsdtb
LOCAL llRetVal
llRetVal = .t.
PRIVATE pcParentDBF,pnParentRec,pcChildDBF,pnChildRec,pcParentID,pcChildID
PRIVATE pcParentExpr,pcChildExpr
STORE "" TO pcParentDBF,pcChildDBF,pcParentID,pcChildID,pcParentExpr,pcChildExpr
STORE 0 TO pnParentRec,pnChildRec
IF _triggerlevel=1
BEGIN TRANSACTION
PRIVATE pcRIcursors,pcRIwkareas,pcRIolderror,pnerror,;
pcOldDele,pcOldExact,pcOldTalk,pcOldCompat,PcOldDBC
pcOldTalk=SET("TALK")
SET TALK OFF
pcOldDele=SET("DELETED")
pcOldExact=SET("EXACT")
pcOldCompat=SET("COMPATIBLE")
SET COMPATIBLE OFF
SET DELETED ON
SET EXACT OFF
pcRIcursors=""
pcRIwkareas=""
pcRIolderror=ON("error")
pnerror=0
ON ERROR pnerror=rierror(ERROR(),message(),message(1),program())
IF TYPE('gaErrors(1)')<>"U"
release gaErrors
ENDIF
PUBLIC gaErrors(1,12)
pcOldDBC=DBC()
SET DATA TO ("DB")
ENDIF first trigger
LOCAL lcParentID && parent's value to be sought in child
LOCAL lcChildWkArea && child work area handle returned by riopen
LOCAL lcParentWkArea
LOCAL llDelHeaderarea
lcStartArea=select()
llRetVal=.t.
lcParentWkArea=select()
SELECT (lcParentWkArea)
pcParentDBF=dbf()
pnParentRec=recno()
STORE DH TO lcParentID,pcParentID
pcParentExpr="DH"
lcChildWkArea=riopen("rxsmxb","dh")
IF lcChildWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
RETURN .F.
ENDIF not able to open the child work area
pcChildDBF=dbf(lcChildWkArea)
SELECT (lcChildWkArea)
SEEK lcParentID
SCAN WHILE DH=lcParentID AND llRetVal
pnChildRec=recno()
pcChildID=DH
pcChildExpr="DH"
llRetVal=ridelete()
ENDSCAN get all of the rxsmxb records
=rireuse("rxsmxb",lcChildWkArea)
IF NOT llRetVal
IF _triggerlevel=1
DO riend WITH llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
ENDIF
IF _triggerlevel=1
do riend with llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
** "结束参照完整性删除触发器" rxsdtb
********************************************************************************
********************************************************************************
** "参照完整性删除触发器" sprkdtb
PROCEDURE __RI_DELETE_sprkdtb
LOCAL llRetVal
llRetVal = .t.
PRIVATE pcParentDBF,pnParentRec,pcChildDBF,pnChildRec,pcParentID,pcChildID
PRIVATE pcParentExpr,pcChildExpr
STORE "" TO pcParentDBF,pcChildDBF,pcParentID,pcChildID,pcParentExpr,pcChildExpr
STORE 0 TO pnParentRec,pnChildRec
IF _triggerlevel=1
BEGIN TRANSACTION
PRIVATE pcRIcursors,pcRIwkareas,pcRIolderror,pnerror,;
pcOldDele,pcOldExact,pcOldTalk,pcOldCompat,PcOldDBC
pcOldTalk=SET("TALK")
SET TALK OFF
pcOldDele=SET("DELETED")
pcOldExact=SET("EXACT")
pcOldCompat=SET("COMPATIBLE")
SET COMPATIBLE OFF
SET DELETED ON
SET EXACT OFF
pcRIcursors=""
pcRIwkareas=""
pcRIolderror=ON("error")
pnerror=0
ON ERROR pnerror=rierror(ERROR(),message(),message(1),program())
IF TYPE('gaErrors(1)')<>"U"
release gaErrors
ENDIF
PUBLIC gaErrors(1,12)
pcOldDBC=DBC()
SET DATA TO ("DB")
ENDIF first trigger
LOCAL lcParentID && parent's value to be sought in child
LOCAL lcChildWkArea && child work area handle returned by riopen
LOCAL lcParentWkArea
LOCAL llDelHeaderarea
lcStartArea=select()
llRetVal=.t.
lcParentWkArea=select()
SELECT (lcParentWkArea)
pcParentDBF=dbf()
pnParentRec=recno()
STORE DH TO lcParentID,pcParentID
pcParentExpr="DH"
lcChildWkArea=riopen("sprkmxb","dh")
IF lcChildWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
RETURN .F.
ENDIF not able to open the child work area
pcChildDBF=dbf(lcChildWkArea)
SELECT (lcChildWkArea)
SEEK lcParentID
SCAN WHILE DH=lcParentID AND llRetVal
pnChildRec=recno()
pcChildID=DH
pcChildExpr="DH"
llRetVal=ridelete()
ENDSCAN get all of the sprkmxb records
=rireuse("sprkmxb",lcChildWkArea)
IF NOT llRetVal
IF _triggerlevel=1
DO riend WITH llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
ENDIF
IF _triggerlevel=1
do riend with llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
** "结束参照完整性删除触发器" sprkdtb
********************************************************************************
**__RI_FOOTER!@ Do NOT REMOVE or MODIFY this line!!!! @!__RI_FOOTER**
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