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MySQL 8.0.29
Source Code Documentation
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This class represents SQL statement which rollbacks and terminates an XA transaction with the given xid value. More...
#include <xa.h>
Public Member Functions | |
Sql_cmd_xa_rollback (xid_t *xid_arg) | |
enum_sql_command | sql_command_code () const override |
Return the command code for this statement. More... | |
bool | execute (THD *thd) override |
Execute this SQL statement. More... | |
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bool | needs_explicit_preparation () const |
bool | is_regular () const |
bool | is_prepared () const |
virtual bool | prepare (THD *) |
Prepare this SQL statement. More... | |
virtual void | cleanup (THD *) |
Command-specific reinitialization before execution of prepared statement. More... | |
void | set_owner (Prepared_statement *stmt) |
Set the owning prepared statement. More... | |
Prepared_statement * | owner () const |
Get the owning prepared statement. More... | |
void | set_as_part_of_sp () |
Mark statement as part of procedure. More... | |
bool | is_part_of_sp () const |
virtual bool | is_dml () const |
virtual bool | is_single_table_plan () const |
virtual bool | accept (THD *, Select_lex_visitor *) |
virtual const MYSQL_LEX_CSTRING * | eligible_secondary_storage_engine () const |
Is this statement of a type and on a form that makes it eligible for execution in a secondary storage engine? More... | |
void | disable_secondary_storage_engine () |
Disable use of secondary storage engines in this statement. More... | |
bool | secondary_storage_engine_disabled () const |
Has use of secondary storage engines been disabled for this statement? More... | |
void | use_secondary_storage_engine (const handlerton *hton) |
Mark the current statement as using a secondary storage engine. More... | |
bool | using_secondary_storage_engine () const |
Is this statement using a secondary storage engine? More... | |
const handlerton * | secondary_engine () const |
Get the handlerton of the secondary engine that is used for executing this statement, or nullptr if a secondary engine is not used. More... | |
void | set_optional_transform_prepared (bool value) |
bool | is_optional_transform_prepared () |
Private Member Functions | |
bool | trans_xa_rollback (THD *thd) |
Roll back and terminate a XA transaction. More... | |
bool | process_external_xa_rollback (THD *thd, xid_t *xid, XID_STATE *xid_state) |
Handle the statement XA ROLLBACK for the case when xid corresponds to an external XA transaction, that it a transaction generated outside current session context. More... | |
bool | process_internal_xa_rollback (THD *thd, XID_STATE *xid_state) |
Handle the statement XA ROLLBACK for the case when xid corresponds to an internal XA transaction, that is a transaction generated by current session context. More... | |
Private Attributes | |
xid_t * | m_xid |
Additional Inherited Members | |
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Sql_cmd () | |
virtual | ~Sql_cmd () |
void | set_prepared () |
Set this statement as prepared. More... | |
This class represents SQL statement which rollbacks and terminates an XA transaction with the given xid value.
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inlineexplicit |
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overridevirtual |
Execute this SQL statement.
thd | the current thread. |
Implements Sql_cmd.
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private |
Handle the statement XA ROLLBACK for the case when xid corresponds to an external XA transaction, that it a transaction generated outside current session context.
thd | Thread context |
external_xid | XID value specified by XA ROLLBACK that corresponds to a XA transaction generated outside current session context. In fact, it means that XA ROLLBACK is run against a XA transaction recovered after server restart. |
xid_state | State of XA transaction corresponding to the current session that expected to have the value XID_STATE::XA_NOTR |
false | Success |
true | Failure |
Handle the statement XA ROLLBACK for the case when xid corresponds to an internal XA transaction, that is a transaction generated by current session context.
thd | Thread context |
xid_state | State of XA transaction corresponding to the current session. |
false | Success |
true | Failure |
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inlineoverridevirtual |
Return the command code for this statement.
Implements Sql_cmd.
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private |
Roll back and terminate a XA transaction.
thd | Current thread |
false | Success |
true | Failure |
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private |