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Functions | |
| UNIV_INLINE ibool | trx_state_eq (const trx_t *trx, trx_state_t state) |
| UNIV_INLINE const dict_index_t * | trx_get_error_info (const trx_t *trx) |
| UNIV_INLINE const char * | trx_get_que_state_str (const trx_t *trx) |
| UNIV_INLINE enum trx_dict_op_t | trx_get_dict_operation (const trx_t *trx) |
| UNIV_INLINE void | trx_set_dict_operation (trx_t *trx, enum trx_dict_op_t op) |
| UNIV_INLINE void | trx_search_latch_release_if_reserved (trx_t *trx) |
Detailed Description
The transaction
Created 3/26/1996 Heikki Tuuri
Function Documentation
| UNIV_INLINE enum trx_dict_op_t trx_get_dict_operation | ( | const trx_t * | trx | ) |
Determine if a transaction is a dictionary operation.
- Returns
- dictionary operation mode
- Parameters
-
trx in: transaction
| UNIV_INLINE const dict_index_t* trx_get_error_info | ( | const trx_t * | trx | ) |
Retrieves the error_info field from a trx.
- Returns
- the error info
- Parameters
-
trx in: trx object
| UNIV_INLINE const char* trx_get_que_state_str | ( | const trx_t * | trx | ) |
Retrieves transaction's que state in a human readable string. The string should not be free()'d or modified.
- Returns
- string in the data segment
- Parameters
-
trx in: transaction
| UNIV_INLINE void trx_search_latch_release_if_reserved | ( | trx_t * | trx | ) |
Releases the search latch if trx has reserved it.
- Parameters
-
trx in: transaction
| UNIV_INLINE void trx_set_dict_operation | ( | trx_t * | trx, |
| enum trx_dict_op_t | op | ||
| ) |
Flag a transaction a dictionary operation.
- Parameters
-
trx in/out: transaction op in: operation, not TRX_DICT_OP_NONE
| UNIV_INLINE ibool trx_state_eq | ( | const trx_t * | trx, |
| trx_state_t | state | ||
| ) |
Determines if a transaction is in the given state. The caller must hold trx_sys->mutex, or it must be the thread that is serving a running transaction. A running transaction must be in trx_sys->ro_trx_list or trx_sys->rw_trx_list unless it is a non-locking autocommit read only transaction, which is only in trx_sys->mysql_trx_list.
- Returns
- TRUE if trx->state == state
- Parameters
-
trx in: transaction state in: state; if state != TRX_STATE_NOT_STARTED asserts that trx->state != TRX_STATE_NOT_STARTED
