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Bug 274404 - Document the new whining functionality that will be available in 2.20.
Patch by A. Karl Kornel <karl@kornel.name> r=colin,joel
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<!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
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<!-- $Id: installation.xml,v 1.95 2005/06/29 23:43:33 zach%zachlipton.com Exp $ -->
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<!-- $Id: installation.xml,v 1.96 2005/07/01 15:44:36 jake%bugzilla.org Exp $ -->
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<chapter id="installing-bugzilla">
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<title>Installing Bugzilla</title>
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@ -1176,7 +1176,7 @@ c:\perl\bin\perl.exe -xc:\bugzilla -wT "%s" %s
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</para>
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</section>
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<section>
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<section id="installation-whining-cron">
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<title>The Whining Cron</title>
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<para>What good are
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@ -1202,6 +1202,45 @@ c:\perl\bin\perl.exe -xc:\bugzilla -wT "%s" %s
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</note>
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</section>
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<section id="installation-whining">
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<title>Whining</title>
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<para>
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As of Bugzilla 2.20, users can configure Bugzilla to regularly annoy
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them at regular intervals, by having Bugzilla execute saved searches
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at certain times and emailing the results to the user. This is known
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as "Whining". The process of configuring Whining is described
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in <xref linkend="whining"/>, but for it to work a Perl script must be
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executed at regular intervals.
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</para>
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<para>
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This can be done by adding the following command as a daily
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crontab entry, in the same manner as explained above for bug
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graphs. This example runs it every 15 minutes.
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</para>
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<programlisting>*/15 * * * * cd <your-bugzilla-directory> ; ./whine.pl</programlisting>
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<note>
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<para>
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Whines can be executed as often as every 15 minutes, so if you specify
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longer intervals between executions of whine.pl, some users may not
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be whined at as often as they would expect. Depending on the person,
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this can either be a very Good Thing or a very Bad Thing.
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</para>
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</note>
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<note>
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<para>
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Windows does not have 'cron', but it does have the Task
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Scheduler, which performs the same duties. There are also
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third-party tools that can be used to implement cron, such as
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<ulink url="http://www.nncron.ru/">nncron</ulink>.
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</para>
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</note>
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</section>
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<section id="patch-viewer">
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<title>Patch Viewer</title>
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@ -1160,6 +1160,206 @@
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</para>
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</section>
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<section id="whining">
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<title>Whining</title>
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<para>
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Whining is a feature in Bugzilla that can regularly annoy users at
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specified times. Using this feature, users can execute saved searches
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at specific times (i.e. the 15th of the month at midnight) or at
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regular intervals (i.e. every 15 minutes on Sundays). The results of the
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searches are sent to the user, either as a single email or as one email
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per bug, along with some descriptive text.
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</para>
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<warning>
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<para>
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Throughout this section it will be assumed that all users are members
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of the bz_canusewhines group, membership in which is required in order
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to use the Whining system. You can easily make all users members of
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the bz_canusewhines group by setting the User RegExp to ".*" (without
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the quotes).
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</para>
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<para>
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Also worth noting is the bz_canusewhineatothers group. Members of this
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group can create whines for any user or group in Bugzilla using a
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extended form of the whining interface. Features only available to
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members of the bz_canusewhineatothers group will be noted in the
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appropriate places.
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</para>
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</warning>
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<note>
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<para>
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For whining to work, a special Perl script must be executed at regular
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intervals. More information on this is available in
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<xref linkend="installation-whining"/>.
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</para>
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</note>
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<note>
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<para>
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This section does not cover the whineatnews.pl script. See
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<xref linkend="installation-whining-cron"/> for more information on
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The Whining Cron.
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</para>
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</note>
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<section id="whining-overview">
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<title>The Event</title>
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<para>
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The whining system defines an "Event" as one or more queries being
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executed at regular intervals, with the results of said queries (if
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there are any) being emailed to the user. Events are created by
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clicking on the "Add new event" button.
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</para>
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<para>
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Once a new event is created, the first thing to set is the "Email
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subject line". The contents of this field will be used in the subject
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line of every email generated by this event. In addition to setting a
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subject, space is provided to enter some descriptive text that will be
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included at the top of each message (to help you in understanding why
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you received the email in the first place).
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</para>
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<para>
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The next step is to specify when the Event is to be run (the Schedule)
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and what searches are to be performed (the Queries).
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</para>
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</section>
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<section id="whining-schedule">
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<title>Whining Schedule</title>
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<para>
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Each whining event is associated with zero or more schedules. A
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schedule is used to specify when the query (specified below) is to be
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run. A new event starts out with no schedules (which means it will
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never run, as it is not scheduled to run). To add a schedule, press
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the "Add a new schedule" button.
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</para>
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<para>
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Each schedule includes an interval, which you use to tell Bugzilla
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when the event should be run. An event can be run on certain days of
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the week, certain days of the month, during weekdays (defined as
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Monday through Friday), or every day.
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</para>
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<important>
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<para>
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Be careful if you set your event to run on the 29th, 30th, or 31st of
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the month, as your event may not run exactly when expected. If you
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want your event to run on the last day of the month, select "Last day
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of the month" as the interval.
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</para>
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</important>
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<para>
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Once you have specified the day(s) on which the event is to be run, you
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should now specify the time at which the event is to be run. You can
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have the event run at a certain hour on the specified day(s), or
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every hour, half-hour, or quarter-hour on the specified day(s).
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</para>
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<para>
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If a single schedule does not execute an event as many times as you
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would want, you can create another schedule for the same event. For
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example, if you want to run an event on days whose numbers are
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divisible by seven, you would need to add four schedules to the event,
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setting the schedules to run on the 7th, 14th, 21st, and 28th (one day
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per schedule) at whatever time (or times) you choose.
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</para>
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<note>
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<para>
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If you are a member of the bz_canusewhineatothers group, then you
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will be presented with another option: "Mail to". Using this you
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can control who will receive the emails generated by this event. You
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can choose to send the emails to a single user (identified by email
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address) or a single group (identified by group name). To send to
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multiple users or groups, create a new schedule for each additional
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user/group.
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</para>
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</note>
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</section>
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<section id="whining-query">
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<title>Whining Queries</title>
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<para>
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Each wining event is associated with zero or more queries. A query is
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a saved search that is executed on the schedule specified (see above).
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You start out with zero queries attached to the event (which means that
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the event will not run, as there will never be any results to return).
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To add a query, press the "Add a new query" button.
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</para>
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<para>
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The first field to examine in your new query is the Sort field. Queries
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are executed, and results returned, in the order specified by the Sort
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field. Queries with lower Sort values will run before queries with
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higher Sort values.
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</para>
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<para>
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The next field to examine is the Search field. This is where you
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choose the actual search that is to be run. Instead of defining search
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parameters here, you are asked to choose from the list of saved
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searches (the same list that appears at the bottom of every Bugzilla
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page). You are only allowed to choose from searches that you have
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saved yourself (the default saved search, "My Bugs", is not a valid
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choice). If you do not have any saved searches, you can take this
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opportunity to create one (see <xref linkend="list"/>).
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</para>
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<note>
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<para>
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When running queries, the wining system acts as if you are the user
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executing the query. This means that the whining system will ignore
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bugs that match your query, but that you can not access.
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</para>
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</note>
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<para>
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Once you have chosen the saved search to be executed, give the query a
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descriptive title. This title will appear in the email, above the
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results of the query. If you choose "One message per bug", the query
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title will appear at the top of each email that contains a bug matching
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your query.
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</para>
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<para>
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Finally, decide if the results of the query should be sent in a single
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email, or if each bug should appear in its own email.
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</para>
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<warning>
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<para>
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Think carefully before checking the "One message per bug" box. If
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you create a query that matches thousands of bugs, you will receive
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thousands of emails!
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</para>
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</warning>
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</section>
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<para>
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Once you have defined at least one schedule, and created at least one
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query, go ahead and "Update/Commit". This will save your Event and make
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it available for immediate execution.
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</para>
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<para>
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If you ever feel like deleting your event, you may do so using the "Remove
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Event" button in the upper-right corner of each Event. You can also
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modify an existing event, so long as you "Update/Commit" after completing
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your modifications.
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</para>
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</section>
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</chapter>
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<!-- Keep this comment at the end of the file
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