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MDEV-15912: Remove traces of insert_undo

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Let us simply refuse an upgrade from earlier versions if the
upgrade procedure was not followed. This simplifies the purge,
commit, and rollback of transactions.

Before upgrading to MariaDB 10.3 or later, a clean shutdown
of the server (with innodb_fast_shutdown=1 or 0) is necessary,
to ensure that any incomplete transactions are rolled back.
The undo log format was changed in MDEV-12288. There is only
one persistent undo log for each transaction.
This commit is contained in:
Marko Mäkelä
2021-06-21 12:34:07 +03:00
parent 241d30d3fa
commit e46f76c974
13 changed files with 248 additions and 380 deletions
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8
mysql-test/suite/innodb_zip/r/innochecksum_3.result
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@ -109,8 +109,8 @@ File::tab#.ibd
===============================================
Additional information:
Undo page type: # insert, # update, # other
Undo page state: # active, # cached, # to_free, # to_purge, # prepared, # other
Undo page type: #
Undo page state: # active, # cached, # to_purge, # prepared, # other
index_id #pages #leaf_pages #recs_per_page #bytes_per_page
# # # # #
# # # # #
@ -144,8 +144,8 @@ File::tab#.ibd
===============================================
Additional information:
Undo page type: # insert, # update, # other
Undo page state: # active, # cached, # to_free, # to_purge, # prepared, # other
Undo page type: #
Undo page state: # active, # cached, # to_purge, # prepared, # other
index_id #pages #leaf_pages #recs_per_page #bytes_per_page
# # # # #
# # # # #