Merge with 4.0.21

This commit is contained in:
monty@mysql.com 2004-06-18 04:38:58 +03:00
commit b11d258835
114 changed files with 1355 additions and 593 deletions

View file

@ -292,9 +292,7 @@ waiting, in its lock queue. Solution: We can copy the locks as gap type
locks, so that also the waiting locks are transformed to granted gap type
locks on the inserted record. */
#ifdef UNIV_DEBUG
ibool lock_print_waits = FALSE;
#endif /* UNIV_DEBUG */
/* The lock system */
lock_sys_t* lock_sys = NULL;
@ -1354,8 +1352,7 @@ lock_rec_has_expl(
return(NULL);
}
#ifdef UNIV_DEBUG
/*************************************************************************
Checks if some other transaction has a lock request in the queue. */
static
@ -1398,7 +1395,6 @@ lock_rec_other_has_expl_req(
return(NULL);
}
#endif /* UNIV_DEBUG */
/*************************************************************************
Checks if some other transaction has a conflicting explicit lock request
@ -1688,13 +1684,11 @@ lock_rec_enqueue_waiting(
ut_a(que_thr_stop(thr));
#ifdef UNIV_DEBUG
if (lock_print_waits) {
fprintf(stderr, "Lock wait for trx %lu in index ",
(ulong) ut_dulint_get_low(trx->id));
ut_print_name(stderr, index->name);
}
#endif /* UNIV_DEBUG */
return(DB_LOCK_WAIT);
}
@ -2034,12 +2028,10 @@ lock_grant(
lock->trx->n_tables_locked++;
}
#ifdef UNIV_DEBUG
if (lock_print_waits) {
fprintf(stderr, "Lock wait for trx %lu ends\n",
(ulong) ut_dulint_get_low(lock->trx->id));
}
#endif /* UNIV_DEBUG */
/* If we are resolving a deadlock by choosing another transaction
as a victim, then our original transaction may not be in the
@ -3110,11 +3102,9 @@ lock_deadlock_recursive(
lock_table_print(ef, start->wait_lock);
}
#ifdef UNIV_DEBUG
if (lock_print_waits) {
fputs("Deadlock detected\n", stderr);
}
#endif /* UNIV_DEBUG */
if (ut_dulint_cmp(wait_lock->trx->undo_no,
start->undo_no) >= 0) {
@ -4177,7 +4167,6 @@ loop:
goto loop;
}
#ifdef UNIV_DEBUG
/*************************************************************************
Validates the lock queue on a table. */
@ -4488,7 +4477,6 @@ lock_validate(void)
return(TRUE);
}
#endif /* UNIV_DEBUG */
/*============ RECORD LOCK CHECKS FOR ROW OPERATIONS ====================*/