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Support detach on transaction prepare

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Split method `transaction::xa_detach()` in `before_xa_detach()` and
`after_xa_detach()`. This allows to handle bf abort or replay while
transaction is detaching and to distinguish if a transaction is bf
aborted before or after the DBMS has detached a transaction from its
storage engine.
This commit is contained in:
Daniele Sciascia
2022-10-10 11:14:35 +02:00
parent 5185ad3481
commit de2ead8d70
9 changed files with 187 additions and 37 deletions
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15
include/wsrep/transaction.hpp
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@@ -126,6 +126,11 @@ namespace wsrep
return !xid_.is_null();
}
/**
* Return true if the transaction has completed the prepare step.
*/
bool is_prepared_xa() const;
void assign_xid(const wsrep::xid& xid);
const wsrep::xid& xid() const
@@ -137,7 +142,9 @@ namespace wsrep
int commit_or_rollback_by_xid(const wsrep::xid& xid, bool commit);
void xa_detach();
int before_xa_detach(wsrep::unique_lock<mutex>&);
int after_xa_detach(wsrep::unique_lock<mutex>&);
int xa_replay(wsrep::unique_lock<wsrep::mutex>&);
@@ -213,6 +220,11 @@ namespace wsrep
return bf_aborted_in_total_order_;
}
wsrep::seqno bf_seqno() const
{
return bf_seqno_;
}
int flags() const
{
return flags_;
@@ -270,6 +282,7 @@ namespace wsrep
enum wsrep::provider::status bf_abort_provider_status_;
int bf_abort_client_state_;
bool bf_aborted_in_total_order_;
wsrep::seqno bf_seqno_;
wsrep::ws_handle ws_handle_;
wsrep::ws_meta ws_meta_;
int flags_;