Booleans [DAO]

option explicit

sub booleans()

  dim db     as dao.database
  dim mdb_file_name as string 

  mdb_file_name = "c:\temp\booleans.mdb"

  kill_file_if_exists(mdb_file_name)

  set db = dao.createDatabase(mdb_file_name, dbLangGeneral, 0)

  dim table_field as dao.field
  dim table_def   as dao.tableDef

  set table_def = db.createTableDef("table_with_booleans")

  set table_field = table_def.createField("txt", dbText, 42)
  table_def.Fields.append table_field

' set table_field = table_def.createField("upd", dbText, 42)
' table_def.Fields.append table_field

  set table_field = table_def.createField("bl" , dbBoolean)
  table_def.Fields.append table_field

  db.tableDefs.append table_def

  dim rs as dao.recordSet
  set rs = db.openRecordSet("table_with_booleans", dbOpentable)

  rs.addNew
     rs("txt") = "true"
     rs("bl" ) =  true
  rs.update

  rs.addNew
     rs("txt") = "false"
     rs("bl" ) =  false
  rs.update
  
  db.execute("insert into table_with_booleans (txt, bl) values ('inserted: true' , true )")
  db.execute("insert into table_with_booleans (txt, bl) values ('inserted: false', false)")

  set rs = nothing
  set db = nothing

end sub

private sub kill_file_if_exists(file_name as string)
  dim fso     as  fileSystemObject 
  set fso   = new fileSystemObject

  if fso.fileExists(file_name) then
     fso.deletefile(file_name)
  end if

end sub