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Implemented SR transaction rollback.

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This commit is contained in:
Teemu Ollakka
2018-07-10 14:01:41 +03:00
parent e916453e6d
commit 80ca03daaf
17 changed files with 362 additions and 91 deletions
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18
include/wsrep/high_priority_service.hpp
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@@ -36,6 +36,12 @@ namespace wsrep
virtual int start_transaction(const wsrep::ws_handle&,
const wsrep::ws_meta&) = 0;
/**
* Return transaction object associated to high priority
* service state.
*/
virtual const wsrep::transaction& transaction() const = 0;
/**
* Adopt a transaction.
*/
@@ -83,8 +89,18 @@ namespace wsrep
/**
* Commit a transaction.
* An implementation must call
* wsrep::client_state::prepare_for_ordering() to set
* the ws_handle and ws_meta before the commit if the
* commit process will go through client state commit
* processing. Otherwise the implementation must release
* commit order explicitly via provider.
*
* @param ws_handle Write set handle
* @param ws_meta Write set meta
*/
virtual int commit(const wsrep::ws_handle&, const wsrep::ws_meta&) = 0;
virtual int commit(const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta) = 0;
/**
* Roll back a transaction
*/