__RI_INSERT_products Procedure
Expand/Collapse source code of procedure __RI_INSERT_products Source Code
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 ("TASTRADE")
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=CATEGORY_ID
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcChildID
pcChildExpr="CATEGORY_ID"
lcParentWkArea=riopen("category","category_i")
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("category",lcParentWkArea)
IF NOT llRetVal
  DO rierror with -1,"Insert restrict rule violated.","",""
  IF _triggerlevel=1
    DO riend WITH llRetVal
  ENDIF at the end of the highest trigger level
  SELECT (lcStartArea)
  RETURN llRetVal
ENDIF
SELECT (lcChildWkArea)
lcChildID=SUPPLIER_ID
pcChildDBF=dbf(lcChildWkArea)
pnChildRec=recno(lcChildWkArea)
pcChildID=lcChildID
pcChildExpr="SUPPLIER_ID"
lcParentWkArea=riopen("supplier","supplier_i")
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("supplier",lcParentWkArea)
IF NOT llRetVal
  DO rierror with -1,"Insert restrict rule violated.","",""
  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
** "End of Referential integrity insert trigger for" products
********************************************************************************

********************************************************************************
** "Referential integrity delete trigger for" shippers