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Initial support for XA

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Force fragment replication when XA transaction is prepared, with
prepare fragment. Commit fragment happens in before_commit().
Adjusted fragment removal, which cannot happen in atomically with the
executing transaction.
This commit is contained in:
Daniele Sciascia
2019-02-04 08:45:00 +01:00
parent 5c27d6dafa
commit 9c9323e2a5
4 changed files with 122 additions and 26 deletions
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8
include/wsrep/client_service.hpp
View File

@ -34,13 +34,14 @@
namespace wsrep
{
class transaction;
class client_service
{
public:
client_service() { }
virtual ~client_service() { }
virtual const char* query() const = 0;
/**
* Return true if the current transaction has been interrupted
* by the DBMS. The lock which is passed to interrupted call
@ -72,6 +73,11 @@ namespace wsrep
*/
virtual void cleanup_transaction() = 0;
/**
* Return true if the current transactions is XA
*/
virtual bool is_xa() const = 0;
//
// Streaming
//

7
include/wsrep/transaction.hpp
View File

@ -28,6 +28,7 @@
#include "lock.hpp"
#include "sr_key_set.hpp"
#include "buffer.hpp"
#include "client_service.hpp"
#include <cassert>
#include <vector>
@ -39,7 +40,6 @@ namespace wsrep
class key;
class const_buffer;
class transaction
{
public:
@ -121,6 +121,11 @@ namespace wsrep
return sr_keys_.empty();
}
bool is_xa() const
{
return client_service_.is_xa();
}
bool pa_unsafe() const { return pa_unsafe_; }
void pa_unsafe(bool pa_unsafe) { pa_unsafe_ = pa_unsafe; }