is an exact match of a MySQL BitKeeper tree.

Apply r2116:
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r2116 | vasil | 2007-11-23 19:10:17 +0200 (pe, 23 marras 2007) | 6 lines

Set trx->mysql_query_str to NULL at transaction commit.
It could be a problem if someone looks at it after that because MySQL may
have free()d it then.

Approved by:    Heikki (via IM)
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innodb.test, innodb.result:
Add some tests that were apparently accidentally removed in
ChangeSet@1.2598.2.6  2007-11-06 15:42:58-07:00  tsmith@hindu.god
Apply snapshot innodb-5.1-ss1989

ha_innodb.cc: Add a decorative comment.