diff options
Diffstat (limited to 'lib/mnesia/doc')
| -rw-r--r-- | lib/mnesia/doc/src/Mnesia_chap2.xmlsrc | 12 | ||||
| -rw-r--r-- | lib/mnesia/doc/src/Mnesia_chap3.xml | 6 | ||||
| -rw-r--r-- | lib/mnesia/doc/src/Mnesia_chap4.xmlsrc | 4 | ||||
| -rw-r--r-- | lib/mnesia/doc/src/Mnesia_chap5.xmlsrc | 52 | ||||
| -rw-r--r-- | lib/mnesia/doc/src/mnesia.xml | 30 | ||||
| -rw-r--r-- | lib/mnesia/doc/src/notes.xml | 60 |
6 files changed, 120 insertions, 44 deletions
diff --git a/lib/mnesia/doc/src/Mnesia_chap2.xmlsrc b/lib/mnesia/doc/src/Mnesia_chap2.xmlsrc index 0714c7b645..2e2cc386b7 100644 --- a/lib/mnesia/doc/src/Mnesia_chap2.xmlsrc +++ b/lib/mnesia/doc/src/Mnesia_chap2.xmlsrc @@ -235,9 +235,7 @@ <seealso marker="Mnesia_chap3#start_mnesia">Starting Mnesia</seealso>. </item> </list> - <p>Continuing the dialogue with the Erlang shell will produce the following - the following: - </p> + <p>Continuing the dialogue with the Erlang shell will produce the following:</p> <pre><![CDATA[ 3> company:init(). {atomic,ok} @@ -418,7 +416,7 @@ In_proj</tcaption> interchangeably throughout this book. </p> <p>A Mnesia table is populated by Mnesia records. For example, - the tuple <c>{boss, klacke, bjarne}</c> is an record. The + the tuple <c>{boss, klacke, bjarne}</c> is a record. The second element in this tuple is the key. In order to uniquely identify a table row both the key and the table name is needed. The term <em>object identifier</em>, @@ -553,7 +551,7 @@ In_proj</tcaption> stored in the database: </p> <pre> -\011 mnesia:select(employee, [{#employee{sex = female, name = '$1', _ = '_'},[], ['$1']}]). +mnesia:select(employee, [{#employee{sex = female, name = '$1', _ = '_'},[], ['$1']}]). </pre> <p>Select must always run within an activity such as a transaction. To be able to call from the shell we might @@ -587,8 +585,8 @@ In_proj</tcaption> </p> <pre> Q = qlc:q([E#employee.name || E <![CDATA[<-]]> mnesia:table(employee), -\011 E#employee.sex == female]), -\011 qlc:e(Q), + E#employee.sex == female]), + qlc:e(Q), </pre> <p>Accessing mnesia tables from a QLC list comprehension must always be done within a transaction. Consider the following diff --git a/lib/mnesia/doc/src/Mnesia_chap3.xml b/lib/mnesia/doc/src/Mnesia_chap3.xml index 9a382bcb5a..2db9af9cf7 100644 --- a/lib/mnesia/doc/src/Mnesia_chap3.xml +++ b/lib/mnesia/doc/src/Mnesia_chap3.xml @@ -132,7 +132,7 @@ function changes the format on all records in table <c>Tab</c>. It applies the argument <c>Fun</c> to all records in the table. <c>Fun</c> shall be a function which - takes an record of the old type, and returns the record of the new + takes a record of the old type, and returns the record of the new type. The table key may not be changed.</p> <code type="none"> -record(old, {key, val}). @@ -418,8 +418,8 @@ skeppet %<input>erl -sname b -mnesia dir '"/ldisc/scratch/Mnesia.company"'</inpu type <c>set</c> and <c>bag</c>: </p> <pre> f() -> F = fun() -> -\011 mnesia:write({foo, 1, 2}), mnesia:write({foo, 1, 3}), -\011 mnesia:read({foo, 1}) end, mnesia:transaction(F). </pre> + mnesia:write({foo, 1, 2}), mnesia:write({foo, 1, 3}), + mnesia:read({foo, 1}) end, mnesia:transaction(F). </pre> <p>This transaction will return the list <c>[{foo,1,3}]</c> if the <c>foo</c> table is of type <c>set</c>. However, list <c>[{foo,1,2}, {foo,1,3}]</c> will return if the table is diff --git a/lib/mnesia/doc/src/Mnesia_chap4.xmlsrc b/lib/mnesia/doc/src/Mnesia_chap4.xmlsrc index 7d89c1b0dd..6e8055326b 100644 --- a/lib/mnesia/doc/src/Mnesia_chap4.xmlsrc +++ b/lib/mnesia/doc/src/Mnesia_chap4.xmlsrc @@ -514,13 +514,13 @@ The behavior is undefined if any process perform a write of the table itself. This is an implementation detail, but remember the dirty functions are low level functions. </item> - <item><c>mnesia:dirty_last(Tab)</c> This function works exactly as + <item><c>mnesia:dirty_last(Tab)</c> This function works exactly like <c>mnesia:dirty_first/1</c> but returns the last object in Erlang term order for the <c>ordered_set</c> table type. For all other table types, <c>mnesia:dirty_first/1</c> and <c>mnesia:dirty_last/1</c> are synonyms. </item> - <item><c>mnesia:dirty_prev(Tab, Key)</c> This function works exactly as + <item><c>mnesia:dirty_prev(Tab, Key)</c> This function works exactly like <c>mnesia:dirty_next/2</c> but returns the previous object in Erlang term order for the ordered_set table type. For all other table types, <c>mnesia:dirty_next/2</c> and diff --git a/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc b/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc index 3ec0aa37f5..30a8991465 100644 --- a/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc +++ b/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>1997</year><year>2009</year> + <year>1997</year><year>2010</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -13,12 +13,12 @@ compliance with the License. You should have received a copy of the Erlang Public License along with this software. If not, it can be retrieved online at http://www.erlang.org/. - + Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. - + </legalnotice> <title>Miscellaneous Mnesia Features</title> @@ -335,7 +335,7 @@ ok explicitly be set at table creation. The default is <c>0</c>, but if <c>n_disc_copies</c> and <c>n_disc_only_copies</c> also are <c>0</c>, - <c>n_ram_copies</c>\011will default be set to <c>1</c>. + <c>n_ram_copies</c> will default be set to <c>1</c>. </p> </item> <tag><c>{n_disc_copies, Int}</c></tag> @@ -408,7 +408,7 @@ ok (a@sam)4> SecProps = [{foreign_key, {prim_dict, sec_val}}]. [{foreign_key,{prim_dict,sec_val}}] (a@sam)5> mnesia:create_table(sec_dict, -\011 [{frag_properties, SecProps}, + [{frag_properties, SecProps}, (a@sam)5> {attributes, [sec_key, sec_val]}]). {atomic,ok} (a@sam)6> Write = fun(Rec) -> mnesia:write(Rec) end. @@ -418,23 +418,23 @@ ok (a@sam)8> SecKey = 42. 42 (a@sam)9> mnesia:activity(sync_dirty, Write, -\011\011 [{prim_dict, PrimKey, -11}], mnesia_frag). + [{prim_dict, PrimKey, -11}], mnesia_frag). ok (a@sam)10> mnesia:activity(sync_dirty, Write, -\011\011 [{sec_dict, SecKey, PrimKey}], mnesia_frag). + [{sec_dict, SecKey, PrimKey}], mnesia_frag). ok (a@sam)11> mnesia:change_table_frag(prim_dict, {add_frag, [node()]}). {atomic,ok} (a@sam)12> SecRead = fun(PrimKey, SecKey) -> -\011\011 mnesia:read({sec_dict, PrimKey}, SecKey, read) end. + mnesia:read({sec_dict, PrimKey}, SecKey, read) end. #Fun<erl_eval> (a@sam)13> mnesia:activity(transaction, SecRead, -\011\011 [PrimKey, SecKey], mnesia_frag). + [PrimKey, SecKey], mnesia_frag). [{sec_dict,42,11}] (a@sam)14> Info = fun(Tab, Item) -> mnesia:table_info(Tab, Item) end. #Fun<erl_eval> (a@sam)15> mnesia:activity(sync_dirty, Info, -\011\011 [prim_dict, frag_size], mnesia_frag). + [prim_dict, frag_size], mnesia_frag). [{prim_dict,0}, {prim_dict_frag2,0}, {prim_dict_frag3,0}, @@ -444,7 +444,7 @@ ok {prim_dict_frag7,0}, {prim_dict_frag8,0}] (a@sam)16> mnesia:activity(sync_dirty, Info, -\011\011 [sec_dict, frag_size], mnesia_frag). + [sec_dict, frag_size], mnesia_frag). [{sec_dict,0}, {sec_dict_frag2,0}, {sec_dict_frag3,0}, @@ -885,16 +885,16 @@ ok <item>Removes the subscription on events of type <c>Event-Category</c></item> </taglist> - <p><c>Event-Category</c> may either be the atom <c>system</c>, or + <p><c>Event-Category</c> may either be the atom <c>system</c>, the atom <c>activity</c>, or one of the tuples <c>{table, Tab, simple}</c>, <c>{table, Tab, detailed}</c>. The old event-category <c>{table, Tab}</c> is the same event-category as <c>{table, Tab, simple}</c>. The subscribe functions activate a subscription of events. The events are delivered as messages to the process evaluating the <c>mnesia:subscribe/1</c> function. The syntax of - system events is <c>{mnesia_system_event, Event}</c> and - <c>{mnesia_table_event, Event}</c> for table events. What system - events and table events means is described below. - </p> + system events is <c>{mnesia_system_event, Event}</c>, + <c>{mnesia_activity_event, Event}</c> for activity events, and + <c>{mnesia_table_event, Event}</c> for table events. What the various + event types mean is described below.</p> <p>All system events are subscribed by Mnesia's gen_event handler. The default gen_event handler is <c>mnesia_event</c>. But it may be changed by using the application @@ -1039,8 +1039,26 @@ ok </section> <section> + <title>Activity Events</title> + <p>Currently, there is only one type of activity event:</p> + <taglist> + <tag><c>{complete, ActivityID}</c></tag> + <item> + <p>This event occurs when a transaction that caused a modification to the database + has completed. It is useful for determining when a set of table events + (see below) caused by a given activity have all been sent. Once the this event + has been received, it is guaranteed that no further table events with the same + ActivityID will be received. Note that this event may still be received even + if no table events with a corresponding ActivityID were received, depending on + the tables to which the receiving process is subscribed.</p> + <p>Dirty operations always only contain one update and thus no activity event is sent.</p> + </item> + </taglist> + </section> + + <section> <title>Table Events</title> - <p>Another category of events are table events, which are + <p>The final category of events are table events, which are events related to table updates. There are two types of table events simple and detailed. </p> diff --git a/lib/mnesia/doc/src/mnesia.xml b/lib/mnesia/doc/src/mnesia.xml index d76471d922..16e78ea0af 100644 --- a/lib/mnesia/doc/src/mnesia.xml +++ b/lib/mnesia/doc/src/mnesia.xml @@ -799,7 +799,7 @@ mnesia:change_table_copy_type(person, node(), disc_copies) </item> <item> <p><c>{local_content, Bool}</c>, where <c>Bool</c> must be - either <c>true</c> or <c>false</c>. The default value is <c>false</c>.\011 </p> + either <c>true</c> or <c>false</c>. The default value is <c>false</c>.</p> </item> </list> <p>For example, the following call creates the <c>person</c> table @@ -1022,7 +1022,7 @@ mnesia:create_table(person, <name>dirty_last(Tab) -> Key | exit({aborted, Reason}) </name> <fsummary>Return the key for the last record in a table.</fsummary> <desc> - <p>This function works exactly + <p>This function works exactly like <c>mnesia:dirty_first/1</c> but returns the last object in Erlang term order for the <c>ordered_set</c> table type. For all other table types, <c>mnesia:dirty_first/1</c> and @@ -1063,11 +1063,11 @@ mnesia:create_table(person, <name>dirty_prev(Tab, Key) -> Key | exit({aborted, Reason}) </name> <fsummary>Return the previous key in a table. </fsummary> <desc> - <p>This function works exactly + <p>This function works exactly like <c>mnesia:dirty_next/2</c> but returns the previous object in Erlang term order for the ordered_set table type. For all other table types, <c>mnesia:dirty_next/2</c> and - <c>mnesia:dirty_prev/2</c> are synonyms.\011 </p> + <c>mnesia:dirty_prev/2</c> are synonyms.</p> </desc> </func> <func> @@ -1135,7 +1135,7 @@ mnesia:create_table(person, </list> <p>If two processes perform <c>mnesia:dirty_update_counter/3</c> simultaneously, both updates will take effect without the - risk of loosing one of the updates. The new value + risk of losing one of the updates. The new value <c>NewVal</c> of the counter is returned.</p> <p>If <c>Key</c> don't exits, a new record is created with the value <c>Incr</c> if it is larger than 0, otherwise it is set to 0.</p> @@ -1334,7 +1334,7 @@ mnesia:create_table(person, <name>foldr(Function, Acc, Table) -> NewAcc | transaction abort </name> <fsummary>Call Function for each record in Table </fsummary> <desc> - <p>This function works exactly as + <p>This function works exactly like <c>foldl/3</c> but iterates the table in the opposite order for the <c>ordered_set</c> table type. For all other table types, <c>foldr/3</c> and @@ -1512,14 +1512,14 @@ mnesia:create_table(person, <fsummary>Check if code is running in a transaction.</fsummary> <desc> <p>When this function is executed inside a transaction context - it returns <c>true</c>, otherwise <c>false</c>.</p> + it returns <c>true</c>, otherwise <c>false</c>.</p> </desc> </func> <func> <name>last(Tab) -> Key | transaction abort </name> <fsummary>Return the key for the last record in a table.</fsummary> <desc> - <p>This function works exactly + <p>This function works exactly like <c>mnesia:first/1</c> but returns the last object in Erlang term order for the <c>ordered_set</c> table type. For all other table types, <c>mnesia:first/1</c> and @@ -1698,11 +1698,11 @@ mnesia:create_table(person, <name>prev(Tab, Key) -> Key | transaction abort </name> <fsummary>Return the previous key in a table. </fsummary> <desc> - <p>This function works exactly + <p>This function works exactly like <c>mnesia:next/2</c> but returns the previous object in Erlang term order for the ordered_set table type. For all other table types, <c>mnesia:next/2</c> and - <c>mnesia:prev/2</c> are synonyms.\011 </p> + <c>mnesia:prev/2</c> are synonyms.</p> </desc> </func> <func> @@ -1891,10 +1891,10 @@ mnesia:create_table(person, <p>For example to find the names of all male persons with an age over 30 in table Tab do:</p> <code type="none"> -\011 MatchHead = #person{name='$1', sex=male, age='$2', _='_'}, -\011 Guard = {'>', '$2', 30}, -\011 Result = '$1', -\011 mnesia:select(Tab,[{MatchHead, [Guard], [Result]}]), +MatchHead = #person{name='$1', sex=male, age='$2', _='_'}, +Guard = {'>', '$2', 30}, +Result = '$1', +mnesia:select(Tab,[{MatchHead, [Guard], [Result]}]), </code> </desc> </func> @@ -2835,7 +2835,7 @@ raise(Name, Amount) -> </func> <func> <name>write(Tab, Record, LockKind) -> transaction abort | ok </name> - <fsummary>Write an record into the database.</fsummary> + <fsummary>Write a record into the database.</fsummary> <desc> <p>Writes the record <c>Record</c> to the table <c>Tab</c>. </p> diff --git a/lib/mnesia/doc/src/notes.xml b/lib/mnesia/doc/src/notes.xml index 66242398d9..5a6de05c8b 100644 --- a/lib/mnesia/doc/src/notes.xml +++ b/lib/mnesia/doc/src/notes.xml @@ -37,6 +37,66 @@ bugfixes for every release of Mnesia. Each release of Mnesia thus constitutes one section in this document. The title of each section is the version number of Mnesia.</p> + + <section><title>Mnesia 4.4.16</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Sometimes a 'log_header' record was added to tables when + invoking mnesia:restore/2 with the option + 'recreate_tables'. Thanks Vance Shipley.</p> + <p> + Own Id: OTP-8960</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Compiler warnings were eliminated.</p> + <p> + Own Id: OTP-8855</p> + </item> + </list> + </section> + +</section> + +<section><title>Mnesia 4.4.15</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Eliminated warnings for auto-imported BIF clashes.</p> + <p> + Own Id: OTP-8840</p> + </item> + </list> + </section> + +</section> + +<section><title>Mnesia 4.4.14</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Added mnesia:subscribe(activity) contributed by Bernard + Duggan.</p> + <p> + Own Id: OTP-8519</p> + </item> + </list> + </section> + + </section> <section><title>Mnesia 4.4.13</title> |