Bug #7631 NDB$EVENT contains unreadable event and table names

Description:
Correct table and event names are not printed:

ndb_select_all -d sys 'NDB$EVENTS_0'
NAME      EVENT_TYPE      TABLE_NAME      ATTRIBUTE_MASK  SUBID   SUBKEY
[16 128 times]  7                 [16 128 times]        [2 0 0 0]                     260        131332
[16 128 times]  7                 [16 128 times]        [7 0 0 0]                     23         131095
[16 128 times]  7                [16 128 times]         [7 0 0 0]                     28         131100
[16 128 times]  7                [16 128 times]         [2 0 0 0]                     257       131329
[16 128 times]  7                [16 128 times]         [6 0 0 0]                     181       131253
5 rows returned.

How to repeat:

Run ndbapi_example5 without dropping the event and do:

ndb_select_all -d sys 'NDB$EVENTS_0'

updated a field...

changed title

Problem is poor printout routine in ndb_select_all

I think I think that we should abandom NDB$EVENT totally

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