📄 risp.old
字号:
ENDIF
IF _triggerlevel=1
do riend with llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
** "结束参照完整性插入触发器" 奖惩
********************************************************************************
********************************************************************************
procedure __RI_UPDATE_培训讲座
** "参照完整性更新触发器" 培训讲座
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 ("DATA1")
ENDIF first trigger
LOCAL lcParentID && parent's value to be sought in child
LOCAL lcOldParentID && previous parent id value
LOCAL lcChildWkArea && child work area handle returned by riopen
LOCAL lcChildID && child's value to be sought in parent
LOCAL lcOldChildID && old child id value
LOCAL lcParentWkArea && parentwork area handle returned by riopen
LOCAL lcStartArea
lcStartArea=select()
llRetVal=.t.
lcChildWkArea=select()
IF _triggerlevel=1 or type("pccascadeparent")#"C" or (NOT pccascadeparent=="信息")
SELECT (lcChildWkArea)
lcChildID=学号
lcOldChildID=oldval("学号")
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcOldChildID
pcChildExpr="学号"
IF lcChildID<>lcOldChildID
lcParentWkArea=riopen("信息","学号")
IF lcParentWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN .F.
ENDIF not able to open the child work area
pcParentDBF=dbf(lcParentWkArea)
llRetVal=SEEK(lcChildID,lcParentWkArea)
pnParentRec=recno(lcParentWkArea)
=rireuse("信息",lcParentWkArea)
IF NOT llRetVal
DO rierror with -1,"违反插入限制规则。","",""
IF _triggerlevel=1
DO riend WITH llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
ENDIF no parent
ENDIF this value was changed
ENDIF not part of a cascade from "信息"
lcParentWkArea=lcChildWkArea
IF _triggerlevel=1
do riend with llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
** "结束参照完整性更新触发器" 培训讲座
********************************************************************************
********************************************************************************
** "参照完整性插入触发器" 培训讲座
PROCEDURE __RI_INSERT_培训讲座
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 ("DATA1")
ENDIF first trigger
LOCAL lcChildID && child's value to be sought in parent
LOCAL lcParentWkArea && parentwork area handle returned by riopen
LOCAL lcChildWkArea && child's work area
LOCAL lcStartArea
lcStartArea=select()
llRetVal=.t.
lcChildWkArea=SELECT()
SELECT (lcChildWkArea)
lcChildID=学号
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcChildID
pcChildExpr="学号"
lcParentWkArea=riopen("信息","学号")
IF lcParentWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN .F.
ENDIF not able to open the child work area
pcParentDBF=dbf(lcParentWkArea)
llRetVal=SEEK(lcChildID,lcParentWkArea)
pnParentRec=recno(lcParentWkArea)
=rireuse("信息",lcParentWkArea)
IF NOT llRetVal
DO rierror with -1,"违反插入限制规则。","",""
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
** "结束参照完整性插入触发器" 培训讲座
********************************************************************************
********************************************************************************
procedure __RI_UPDATE_文体竞赛
** "参照完整性更新触发器" 文体竞赛
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 ("DATA1")
ENDIF first trigger
LOCAL lcParentID && parent's value to be sought in child
LOCAL lcOldParentID && previous parent id value
LOCAL lcChildWkArea && child work area handle returned by riopen
LOCAL lcChildID && child's value to be sought in parent
LOCAL lcOldChildID && old child id value
LOCAL lcParentWkArea && parentwork area handle returned by riopen
LOCAL lcStartArea
lcStartArea=select()
llRetVal=.t.
lcChildWkArea=select()
IF _triggerlevel=1 or type("pccascadeparent")#"C" or (NOT pccascadeparent=="信息")
SELECT (lcChildWkArea)
lcChildID=学号
lcOldChildID=oldval("学号")
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcOldChildID
pcChildExpr="学号"
IF lcChildID<>lcOldChildID
lcParentWkArea=riopen("信息","学号")
IF lcParentWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN .F.
ENDIF not able to open the child work area
pcParentDBF=dbf(lcParentWkArea)
llRetVal=SEEK(lcChildID,lcParentWkArea)
pnParentRec=recno(lcParentWkArea)
=rireuse("信息",lcParentWkArea)
IF NOT llRetVal
DO rierror with -1,"违反插入限制规则。","",""
IF _triggerlevel=1
DO riend WITH llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
ENDIF no parent
ENDIF this value was changed
ENDIF not part of a cascade from "信息"
lcParentWkArea=lcChildWkArea
IF _triggerlevel=1
do riend with llRetVal
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN llRetVal
** "结束参照完整性更新触发器" 文体竞赛
********************************************************************************
********************************************************************************
** "参照完整性插入触发器" 文体竞赛
PROCEDURE __RI_INSERT_文体竞赛
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 ("DATA1")
ENDIF first trigger
LOCAL lcChildID && child's value to be sought in parent
LOCAL lcParentWkArea && parentwork area handle returned by riopen
LOCAL lcChildWkArea && child's work area
LOCAL lcStartArea
lcStartArea=select()
llRetVal=.t.
lcChildWkArea=SELECT()
SELECT (lcChildWkArea)
lcChildID=学号
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcChildID
pcChildExpr="学号"
lcParentWkArea=riopen("信息","学号")
IF lcParentWkArea<=0
IF _triggerlevel=1
DO riend WITH .F.
ENDIF at the end of the highest trigger level
SELECT (lcStartArea)
RETURN .F.
ENDIF not able to open the child work area
pcParentDBF=dbf(lcParentWkArea)
llRetVal=SEEK(lcChildID,lcParentWkArea)
pnParentRec=recno(lcParentWkArea)
=rireuse("信息",lcParentWkArea)
IF NOT llRetVal
DO rierror with -1,"违反插入限制规则。","",""
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
** "结束参照完整性插入触发器" 文体竞赛
********************************************************************************
********************************************************************************
** "参照完整性删除触发器" 信息
PROCEDURE __RI_DELETE_信息
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 ("DATA1")
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 学号 TO lcParentID,pcParentID
pcParentExpr="学号"
lcChildWkArea=riopen("工作实践","学号")
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 学号=lcParentID AND llRetVal
pnChildRec=recno()
pcChildID=学号
pcChildExpr="学号"
llRetVal=ridelete()
ENDSCAN get all of the 工作实践 records
=rireuse("工作实践",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
SELECT (lcParentWkArea)
pcParentDBF=dbf()
pnParentRec=recno()
STORE 学号 TO lcParentID,pcParentID
pcParentExpr="学号"
lcChildWkArea=riopen("奖惩","学号")
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 学号=lcParentID AND llRetVal
pnChildRec=recno()
pcChildID=学号
pcChildExpr="学号"
llRetVal=ridelete()
ENDSCAN get all of the 奖惩 records
=rireuse("奖惩",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
SELECT (lcParentWkArea)
pcParentDBF=dbf()
pnParentRec=recno()
STORE 学号 TO lcParentID,pcParentID
pcParentExpr="学号"
lcChildWkArea=riopen("学术考试","学号")
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 学号=lcParentID AND llRetVal
pnChildRec=recno()
pcChildID=学号
pcChildExpr="学号"
llRetVal=ridelete()
ENDSCAN get all of the 学术考试 records
=rireuse("学术考试",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
SELECT (lcParentWkArea)
pcParentDBF=dbf()
pnParentRec=recno()
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -