C++ (Cpp) trx_purge_graph_build Exemples

Exemple #1

Fichier : trx0purge.c Projet : AllenWeb/mariadb

/********************************************************************//**
Creates the global purge system control structure and inits the history
mutex. */
UNIV_INTERN
void
trx_purge_sys_create(
/*=================*/
	ib_bh_t*	ib_bh)	/*!< in, own: UNDO log min binary heap */
{
	ut_ad(mutex_own(&kernel_mutex));

	purge_sys = mem_zalloc(sizeof(trx_purge_t));

	/* Take ownership of ib_bh, we are responsible for freeing it. */
	purge_sys->ib_bh = ib_bh;
	purge_sys->state = TRX_STOP_PURGE;

	purge_sys->n_pages_handled = 0;

	purge_sys->purge_trx_no = 0;
	purge_sys->purge_undo_no = 0;
	purge_sys->next_stored = FALSE;
	ut_d(purge_sys->done_trx_no = 0);

	rw_lock_create(trx_purge_latch_key,
		       &purge_sys->latch, SYNC_PURGE_LATCH);

	mutex_create(
		purge_sys_bh_mutex_key, &purge_sys->bh_mutex,
		SYNC_PURGE_QUEUE);

	purge_sys->heap = mem_heap_create(256);

	purge_sys->arr = trx_undo_arr_create();

	purge_sys->sess = sess_open();

	purge_sys->trx = purge_sys->sess->trx;

	purge_sys->trx->is_purge = 1;

	ut_a(trx_start_low(purge_sys->trx, ULINT_UNDEFINED));

	purge_sys->query = trx_purge_graph_build();

	purge_sys->prebuilt_view =
		read_view_oldest_copy_or_open_new(0, NULL);
	purge_sys->view = purge_sys->prebuilt_view;
}

Exemple #2

Fichier : trx0purge.c Projet : Abner-Sun/mysql5.1-vx-pre1

/********************************************************************//**
Creates the global purge system control structure and inits the history
mutex. */
UNIV_INTERN
void
trx_purge_sys_create(void)
/*======================*/
{
	ut_ad(mutex_own(&kernel_mutex));

	purge_sys = mem_alloc(sizeof(trx_purge_t));

	purge_sys->state = TRX_STOP_PURGE;

	purge_sys->n_pages_handled = 0;

	purge_sys->purge_trx_no = ut_dulint_zero;
	purge_sys->purge_undo_no = ut_dulint_zero;
	purge_sys->next_stored = FALSE;
	ut_d(purge_sys->done_trx_no = ut_dulint_zero);

	rw_lock_create(&purge_sys->latch, SYNC_PURGE_LATCH);

	mutex_create(&purge_sys->mutex, SYNC_PURGE_SYS);

	purge_sys->heap = mem_heap_create(256);

	purge_sys->arr = trx_undo_arr_create();

	purge_sys->sess = sess_open();

	purge_sys->trx = purge_sys->sess->trx;

	purge_sys->trx->is_purge = 1;

	ut_a(trx_start_low(purge_sys->trx, ULINT_UNDEFINED));

	purge_sys->query = trx_purge_graph_build();

	purge_sys->view = read_view_oldest_copy_or_open_new(ut_dulint_zero,
							    purge_sys->heap);
}