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Trac Ticket Queries

In addition to reports, Trac provides support for custom ticket queries, which can be used to display tickets that meet specified criteria.

To configure and execute a custom query, switch to the View Tickets module from the navigation bar, and select the Custom Query link.


When you first go to the query page, the default filter will display tickets relevant to you:

  • If logged in then all open tickets, it will display open tickets assigned to you.
  • If not logged in but you have specified a name or email address in the preferences, then it will display all open tickets where your email (or name if email not defined) is in the CC list.
  • If not logged in and no name/email is defined in the preferences, then all open issues are displayed.

Current filters can be removed by clicking the button to the left with the minus sign on the label. New filters are added from the dropdown lists at the bottom corners of the filters box; 'And' conditions on the left, 'Or' conditions on the right. Filters with either a text box or a dropdown menu of options can be added multiple times to perform an Or on the criteria.

You can use the fields just below the filters box to group the results based on a field, or display the full description for each ticket.

After you have edited your filters, click the Update button to refresh your results.

Clicking on one of the query results will take you to that ticket. You can navigate through the results by clicking the Next Ticket or Previous Ticket links just below the main menu bar, or click the Back to Query link to return to the query page.

You can safely edit any of the tickets and continue to navigate through the results using the Next/Previous/Back to Query links after saving your results. When you return to the query any tickets which were edited will be displayed with italicized text. If one of the tickets was edited such that it no longer matches the query criteria , the text will also be greyed. Lastly, if a new ticket matching the query criteria has been created, it will be shown in bold.

The query results can be refreshed and cleared of these status indicators by clicking the Update button again.

Saving Queries

Trac allows you to save the query as a named query accessible from the reports module. To save a query ensure that you have Updated the view and then click the Save query button displayed beneath the results. You can also save references to queries in Wiki content, as described below.

Note: one way to easily build queries like the ones below, you can build and test the queries in the Custom report module and when ready - click Save query. This will build the query string for you. All you need to do is remove the extra line breaks.

Note: you must have the REPORT_CREATE permission in order to save queries to the list of default reports. The Save query button will only appear if you are logged in as a user that has been granted this permission. If your account does not have permission to create reports, you can still use the methods below to save a query.

You may want to save some queries so that you can come back to them later. You can do this by making a link to the query from any Wiki page.

[query:status=new|assigned|reopened&version=1.0 Active tickets against 1.0]

Which is displayed as:

Active tickets against 1.0

This uses a very simple query language to specify the criteria, see Query Language.

Alternatively, you can copy the query string of a query and paste that into the Wiki link, including the leading ? character:

[query:?status=new&status=assigned&status=reopened&group=owner Assigned tickets by owner]

Which is displayed as:

Assigned tickets by owner

Customizing the table format

You can also customize the columns displayed in the table format (format=table) by using col=<field>. You can specify multiple fields and what order they are displayed in by placing pipes (|) between the columns:


This is displayed as:

Full rows

In table format you can also have full rows by using rows=<field>:


This is displayed as:

Results (1 - 3 of 311)

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Ticket Resolution Summary Owner Reporter
#1348 fixed "Reconstructing the jets by hand" shows different results with Delphes Ke-Pan
Description Hi,

I tried to reconstruct the jets by hand, and compared the results with those in Delphes. I use the fully hadronic final state of p p > t t~ as a sample.

By "reconstructing jets by hand", I read the 4-momentums from branchEFlowTrack, branchEFlowNeutralHadron and branchEFlowPhoton, and used the JetDefinition function to reconstruct the jets. The algorithm is antikt, same as the default one in Delphes; the DeltaR is also tuned to be the same, so as the JetPTMin.

By "use the Delphes jets", I just read the 4-momentums from branchJet.

And I compared resultant jets from above two methods. The result is confusing. The eta's and phi's from the two different methods are the same, but the jets read from Delphes typically have a bigger PT than the jets reconstructed by hand. The differences are ~2 GeV, for all jets. Below is a example:

1) The jets reconstructed by hand:
No. 0 jet: E=386.351 GeV, pt=177.164 GeV, eta=1.41365, phi=2.19596;
No. 1 jet: E=1216.73 GeV, pt=162.375 GeV, eta=2.70263, phi=5.22539;
No. 2 jet: E=326.076 GeV, pt=71.9835 GeV, eta=2.19107, phi=1.03263;
No. 3 jet: E=49.1064 GeV, pt=42.6502 GeV, eta=-0.521058, phi=4.01831;
No. 4 jet: E=133.434 GeV, pt=38.5038 GeV, eta=1.91403, phi=2.1752;

2) The jets read from Delphes directly:
No. 0 jet: E=392.017 GeV, pt=179.762 GeV, eta=1.41365, phi=2.19596;
No. 1 jet: E=1233.06 GeV, pt=164.554 GeV, eta=2.70263, phi=5.22539;
No. 2 jet: E=336.585 GeV, pt=74.3035 GeV, eta=2.19107, phi=1.03263;
No. 3 jet: E=52.3742 GeV, pt=45.4884 GeV, eta=-0.521058, phi=4.01831;
No. 4 jet: E=141.665 GeV, pt=40.879 GeV, eta=1.91403, phi=2.1752;

I cannot find the answer. Maybe I missed something? Could you help me? Thanks!

#1347 fixed UniqueObjectFinder----lepton and jet overlap removal Ying-Ying
Description Hi,

My understanding for the Delphes default UniqueObjectFinder is: Delphes check whether inside a jet there is a lepton, if yes, then remove the jet. "inside" means the lepton overlaps with some constituent (GenParticle, Track or Tower component) of the jet, which equivalently means that DeltaR (lepton, jet) < ParameterR (jet). I am wondering whether my understanding is correct. It seems not consistent with the output when I loop over all lepton and jet after the UniqueObjectFinder, there are some pairs of lepton and jet with DeltaR (lepton, jet) < ParameterR (jet). Could you help me with this? Thank you very much.

Looking forward to hearing from you.

#1343 fixed Error in running Delphes Rojalin
Description Hii..

I have installed Delphes-3.4.1, when I am running a lhe file. I am getting following error.

** Exiting...
Error in <TList::Clear>: A list is accessing an object (0x264d550) already deleted (list name = TList)

Could anyone help me to solve this problem.


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Query Language

query: TracLinks and the [[TicketQuery]] macro both use a mini “query language” for specifying query filters. Filters are separated by ampersands (&). Each filter consists of the ticket field name, an operator and one or more values. More than one value are separated by a pipe (|), meaning that the filter matches any of the values. To include a literal & or | in a value, escape the character with a backslash (\).

The available operators are:

= the field content exactly matches one of the values
~= the field content contains one or more of the values
^= the field content starts with one of the values
$= the field content ends with one of the values

All of these operators can also be negated:

!= the field content matches none of the values
!~= the field content does not contain any of the values
!^= the field content does not start with any of the values
!$= the field content does not end with any of the values

The date fields created and modified can be constrained by using the = operator and specifying a value containing two dates separated by two dots (..). Either end of the date range can be left empty, meaning that the corresponding end of the range is open. The date parser understands a few natural date specifications like "3 weeks ago", "last month" and "now", as well as Bugzilla-style date specifications like "1d", "2w", "3m" or "4y" for 1 day, 2 weeks, 3 months and 4 years, respectively. Spaces in date specifications can be omitted to avoid having to quote the query string.

created=2007-01-01..2008-01-01 query tickets created in 2007
created=lastmonth..thismonth query tickets created during the previous month
modified=1weekago.. query tickets that have been modified in the last week
modified=..30daysago query tickets that have been inactive for the last 30 days

See also: TracTickets, TracReports, TracGuide, TicketQuery

Last modified 9 months ago Last modified on Mar 8, 2018 2:02:47 AM