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Support recovery of XA transactions

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* Add method `restore_prepared_transaction` to `client_state` class
  which restores a transaction state from storage given its xid.
* Add method `commit_or_rollback_by_xid` to terminate prepared XA
  transactions by xid.
* Make sure that transactions in prepared state are not rolled back
  when their master fails/partitions away.
This commit is contained in:
Daniele Sciascia
2019-03-14 11:30:01 +01:00
parent 98af85498b
commit 052247144f
16 changed files with 210 additions and 31 deletions
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3
include/wsrep/high_priority_service.hpp
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@ -96,7 +96,8 @@ namespace wsrep
virtual int append_fragment_and_commit(
const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta,
const wsrep::const_buffer& data) = 0;
const wsrep::const_buffer& data,
const std::string& xid) = 0;
/**
* Remove fragments belonging to streaming transaction.