loncom/interface/loncoursedata.pm - diff

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-version 1.81.2.1, 2003/10/01 21:41:47
+version 1.81.2.2, 2003/10/03 15:33:25
  Line 872  sub get_student {
  =pod
+ =item &clear_internal_caches()
+ Causes the internal caches used in get_student_id, get_student,
+ get_symb_id, get_symb, get_part_id, and get_part to be undef'd.
+ Needs to be called before the first operation with the MySQL database
+ for a given Apache request.
+ =cut
+ ################################################
+ ################################################
+ sub clear_internal_caches {
+     $have_read_part_table = 0;
+     undef(%ids_by_part);
+     undef(%parts_by_id);
+     $have_read_symb_table = 0;
+     undef(%ids_by_symb);
+     undef(%symbs_by_id);
+     $have_read_student_table = 0;
+     undef(%ids_by_student);
+     undef(%students_by_id);
+ }
+ ################################################
+ ################################################
+ =pod
  =item &update_student_data()
  Input: $sname, $sdom, $courseid