Commit cfcca61a authored by unknown's avatar unknown

Merge mysql.com:/home/my/mysql-4.0 into mysql.com:/home/my/mysql-4.1

innobase/os/os0file.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
parents ca8be36f f18efec5
...@@ -1807,7 +1807,7 @@ os_file_pread( ...@@ -1807,7 +1807,7 @@ os_file_pread(
os_file_n_pending_preads++; os_file_n_pending_preads++;
os_mutex_exit(os_file_count_mutex); os_mutex_exit(os_file_count_mutex);
n_bytes = pread(file, buf, n, offs); n_bytes = pread(file, buf, (ssize_t)n, offs);
os_mutex_enter(os_file_count_mutex); os_mutex_enter(os_file_count_mutex);
os_file_n_pending_preads--; os_file_n_pending_preads--;
...@@ -1832,7 +1832,7 @@ os_file_pread( ...@@ -1832,7 +1832,7 @@ os_file_pread(
return(ret); return(ret);
} }
ret = read(file, buf, n); ret = read(file, buf, (ssize_t)n);
os_mutex_exit(os_file_seek_mutexes[i]); os_mutex_exit(os_file_seek_mutexes[i]);
...@@ -1882,7 +1882,7 @@ os_file_pwrite( ...@@ -1882,7 +1882,7 @@ os_file_pwrite(
os_file_n_pending_pwrites++; os_file_n_pending_pwrites++;
os_mutex_exit(os_file_count_mutex); os_mutex_exit(os_file_count_mutex);
ret = pwrite(file, buf, n, offs); ret = pwrite(file, buf, (ssize_t)n, offs);
os_mutex_enter(os_file_count_mutex); os_mutex_enter(os_file_count_mutex);
os_file_n_pending_pwrites--; os_file_n_pending_pwrites--;
...@@ -1917,7 +1917,7 @@ os_file_pwrite( ...@@ -1917,7 +1917,7 @@ os_file_pwrite(
return(ret); return(ret);
} }
ret = write(file, buf, n); ret = write(file, buf, (ssize_t)n);
if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC
&& srv_unix_file_flush_method != SRV_UNIX_NOSYNC && srv_unix_file_flush_method != SRV_UNIX_NOSYNC
......
...@@ -980,6 +980,23 @@ row_ins_foreign_check_on_constraint( ...@@ -980,6 +980,23 @@ row_ins_foreign_check_on_constraint(
err = row_update_cascade_for_mysql(thr, cascade, err = row_update_cascade_for_mysql(thr, cascade,
foreign->foreign_table); foreign->foreign_table);
if (foreign->foreign_table->n_foreign_key_checks_running == 0) {
fprintf(stderr,
"InnoDB: error: table %s has the counter 0 though there is\n"
"InnoDB: a FOREIGN KEY check running on it.\n",
foreign->foreign_table->name);
}
/* Release the data dictionary latch for a while, so that we do not
starve other threads from doing CREATE TABLE etc. if we have a huge
cascaded operation running. The counter n_foreign_key_checks_running
will prevent other users from dropping or ALTERing the table when we
release the latch. */
row_mysql_unfreeze_data_dictionary(thr_get_trx(thr));
row_mysql_freeze_data_dictionary(thr_get_trx(thr));
mtr_start(mtr); mtr_start(mtr);
/* Restore pcur position */ /* Restore pcur position */
......
...@@ -2479,8 +2479,8 @@ row_drop_table_for_mysql( ...@@ -2479,8 +2479,8 @@ row_drop_table_for_mysql(
fputs(" InnoDB: You are trying to drop table ", stderr); fputs(" InnoDB: You are trying to drop table ", stderr);
ut_print_name(stderr, trx, table->name); ut_print_name(stderr, trx, table->name);
fputs("\n" fputs("\n"
"InnoDB: though there are foreign key check running on it.\n" "InnoDB: though there is a foreign key check running on it.\n"
"InnoDB: Adding the table to the background drop queue.\n", "InnoDB: Adding the table to the background drop queue.\n",
stderr); stderr);
row_add_table_to_background_drop_list(table); row_add_table_to_background_drop_list(table);
......
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