diff options
Diffstat (limited to 'lib/mnesia/doc/src/mnesia.xml')
| -rw-r--r-- | lib/mnesia/doc/src/mnesia.xml | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/mnesia/doc/src/mnesia.xml b/lib/mnesia/doc/src/mnesia.xml index 9791a57610..8e285d78ce 100644 --- a/lib/mnesia/doc/src/mnesia.xml +++ b/lib/mnesia/doc/src/mnesia.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2021</year> + <year>1996</year><year>2023</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -772,7 +772,7 @@ mnesia:change_table_copy_type(person, node(), disc_copies)</code> table is aborted, unless a majority of the table replicas are available for the commit. When used on a fragmented table, all fragments are given the same - the same majority setting.</p> + majority setting.</p> </item> <item> <p><c>{ram_copies, Nodelist}</c>, where @@ -1153,7 +1153,7 @@ mnesia:create_table(person, or negative number. However, counters can never become less than zero. There are two significant differences between this function and the action of first reading the record, - performing the arithmetics, and then writing the record:</p> + performing the arithmetic, and then writing the record:</p> <list type="bulleted"> <item>It is much more efficient. </item> @@ -2609,6 +2609,7 @@ mnesia:create_table(employee, </list> </desc> </func> + <func> <name name="transaction" arity="1" since=""/> <name name="transaction" arity="2" clause_i="1" since=""/> @@ -2674,13 +2675,20 @@ raise(Name, Amount) -> several processes running on different nodes can concurrently execute the function <c>raise/2</c> without interfering with each other.</p> - <p>Since Mnesia detects deadlocks, a transaction can be - restarted any number of times. This function attempts a - restart as specified in <c>Retries</c>. <c>Retries</c> must - be an integer greater than 0 or the atom <c>infinity</c>. - Default is <c>infinity</c>.</p> + <p> + Since Mnesia detects deadlocks, a transaction can be + restarted any number of times and therefore the <c>Fun</c> shall not + have any side effects such as waiting for specific messages. + This function attempts a restart as many times as specified in <c>Retries</c>. + <c>Retries</c> must be an integer greater than 0 or the atom <c>infinity</c>, + default is <c>infinity</c>. + Mnesia uses <c>exit</c> exceptions to signal that a transaction needs to be + restarted, thus a <c>Fun</c> must not catch <c>exit</c> exceptions with reason + <c>{aborted, term()}</c>. + </p> </desc> </func> + <func> <name name="transform_table" arity="4" since=""/> <fsummary>Changes format on all records in table <c>Tab</c>.</fsummary> @@ -2955,7 +2963,7 @@ raise(Name, Amount) -> <p><c>-mnesia dump_log_write_threshold Max</c>. <c>Max</c> is an integer that specifies the maximum number of writes allowed to the transaction log before - a new dump of the log is performed. Default is <c>100</c> + a new dump of the log is performed. Default is <c>1000</c> log writes.</p> </item> <item> |