DBFilterCB

DBFilterCB()

FUNCTION insert()

  Local cT1 := "T1"
  Local idx := 0
  Local name := ""
  Local tp := ""
  Local age := "2"
  
  DBUseArea(.F., 'TOPCONN', cT1, (cT1), .F., .F.)
  WHILE (idx <= 5)
  
  name += "BA"
  tp += "T"
  age += "2"
  
  (cT1)->( DBAppend( .F. ) )
  (cT1)->FIELD_NAME := name
  (cT1)->FIELD_TYPE := tp
  (cT1)->FIELD_AGE := age
  (cT1)->( DBCommit() )
  
  idx++
  ENDDO
  DBCloseArea()
  
return

FUNCTION Example()
  Local cT1 := "T1"
  
  TCLink()
  
  DBCreate("T1", {{"FIELD_NAME", "C", 10, 0}, ;
                  {"FIELD_TYPE", "C", 10, 0}}, "TOPCONN")
                  
  U_insert()

  DBUseArea(.F., 'TOPCONN', cT1, (cT1), .F., .T.)

  (cT1)->(DbSetFilter({|| left(FIELD_NAME, 4)="BABA" }, "FIELD_NAME=BABA"))
  
  DBGoTop()
  
  bExp := (cT1)->(DBFilterCB())
  
  varinfo("Retorno", eval(bExp))
  
  DBCloseArea()
  
  TCUnlink()
RETURN