[PATCH 0/4] Support savepoints in DDL transactions

Vladimir Davydov vdavydov.dev at gmail.com
Fri Jul 19 21:08:38 MSK 2019


DDL statements install commit/rollback triggers to complete/revert
changes done to the schema. If a DDL statement is rolled back by a
savepoint, we must remove commit triggers and run rollback triggers,
otherwise we can get an inconsistent schema state. This patch set
addresses this issue.

https://github.com/tarantool/tarantool/issues/4364
https://github.com/tarantool/tarantool/issues/4365
https://github.com/tarantool/tarantool/commits/dv/gh-4364-4365-fix-ddl-savepoint

Vladimir Davydov (4):
  Update small library
  txn: reverse commit trigger list only before running commit triggers
  txn: use savepoints to roll back statements on yield or error
  txn: undo commit/rollback triggers when reverting to savepoint

 src/box/txn.c                  | 126 +++++++++++++++++++++++++++++++------
 src/box/txn.h                  |  31 +++++-----
 src/lib/core/trigger.h         |  11 ----
 src/lib/small                  |   2 +-
 test/box/transaction.result    |  39 ++++++++++++
 test/box/transaction.test.lua  |  23 +++++++
 test/engine/transaction.result |   4 +-
 test/unit/CMakeLists.txt       |   2 -
 test/unit/rlist.c              | 137 -----------------------------------------
 test/unit/rlist.result         |  88 --------------------------
 10 files changed, 188 insertions(+), 275 deletions(-)
 delete mode 100644 test/unit/rlist.c
 delete mode 100644 test/unit/rlist.result

-- 
2.11.0




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