Item9464: Improve capabilities of SEARCH $changes parameter

In Formatted Search

$changes(n)      Summary of changes between latest rev and rev n 

That's not as helpful as it might be. I rarely know what n should be. I'm more likely to want to see changes between latest and 2 back, or 3 back...

I'd like to see support added for this, perhaps

$changes(n)      Summary of changes between latest rev and rev n; 
                 if n is a negative number, show summary of changes between latest
                 rev and "n" revisions ago.

So if I say $changes(-2) and latest is rev 19, show changes between 19 and 17; if latest is 5, changes between 5 and 3, and so on.

That would let me do this:

%SEARCH{".*"  type="regex" nosearch="on" noheader="on" 
   newline="%BR%" order="modified" limit="20" reverse="on" 
   format="| [[$web.$topic][$topic]] | r $rev | $date -- $wikiname | $changes | $changes(-2) | "}%

-- VickiBrown - 12 Aug 2010

Excellent point. It seems like a trivial enhancement, but it probably needs a feature proposal.

Set as enhancement

For what it's worth, this horrible monster could be a work-around:

%STARTSECTION{"search"}%
%SEARCH{"1"
   type="query"
   nonoise="on"
   newline="%BR%"
   order="modified"
   limit="20"
   reverse="on" 
   format="| [[$web.$topic][$topic]] | r $rev | $date -- $wikiname | $changes | Since rev($percntINCLUDE{      \"%TOPIC%\"      section=\"rev\"      web=\"$web\"      topic=\"$topic\"      n=\"-2\"   }$percnt): $changes($percntINCLUDE{      \"%TOPIC%\"      section=\"rev\"      web=\"$web\"      topic=\"$topic\"      n=\"-2\"   }$percnt) | Since rev(5): $changes(5) |"}%
%ENDSECTION{"search"}%

%STARTSECTION{"rev"}%%CALC{"$SUM(%REVINFO{
   "$rev"
   web="%web%"
   topic="%topic%"
}% , %n%)"}%%ENDSECTION{"rev"}%

Test

WebNotify	r 177	28 Jun 2022 - 10:05 -- UnknownUser	* BobKrzaczek: Item614 - * BramVanOosterhout: Item1087 Item1099 Item12553 Item12554 It... + * BramVanOosterhout: Item1087 Item1099 Item12553 Item12554 It... * BrendanB: Item8533 * ChristianHölzer: Item14856 - * ChristianKern: Item14765 Item14920 Item14921 Item14925	Since rev(175): * BobKrzaczek: Item614 - * BramVanOosterhout: Item1087 Item1099 Item12553 Item12554 It... + * BramVanOosterhout: Item1087 Item1099 Item12553 Item12554 It... * BrendanB: Item8533 * ChristianHölzer: Item14856 - * ChristianKern: Item14765 Item14920 Item14921 Item14925	Since rev(5): Tasks.WebNotify -MAKETEXT{"This is a subscription service to be automatically notified... +This topic is automatically generated by a script running on the serv... +script analyses all the 'WaitingFor' and 'ReportedBy' fields in repor... +generates this WebNotify. - * Main.TWikiGuest example #64;your.company
WebStatistics	r 1513	28 Jun 2022 - 00:58 -- AdminUser	}% - Jun 2022 248419 174 1 19111 WebCreateNewTopic 2722 ... + Jun 2022 252933 174 1 19140 WebCreateNewTopic 2810 ... May 2022 407838 164 0 33870 WebCreateNewTopic 3439 ...	Since rev(1511): Tasks.WebStatistics %IF{ "istopic '.Default'" then="$percentINCLUDE{$quot.Default$quot}$percent" else="$percentINCLUDE{$quot.Default$quot}$percent" }% ...	Since rev(5): }% - Jan 2018 94759 150 1 3149 WebHome 653 ItemSummaryQu... + Jun 2022 252933 174 1 19140 WebCreateNewTopic 2810 ... + May 2022 407838 164 0 33870 WebCreateNewTopic 3439 ... + Apr 2022 358165 125 0 24761 WebCreateNewTopic 3290 ... + Mar 2022 408094 185 1 30487 WebCreateNewTopic 3322 ...
Item15150	r 1	24 Jun 2022 - 15:52 -- MichaelDaum	Tasks.Item15150 For now tempalte webs (those starting with an underscore) can only be one single web, that is they cannot contain any subwebs underneath. We need...	Since rev(-1): Tasks.Item15150 For now tempalte webs (those starting with an underscore) can only be one single web, that is they cannot contain any subwebs underneath. We need...	Since rev(5): Tasks.Item15150 For now tempalte webs (those starting with an underscore) can only be one single web, that is they cannot contain any subwebs underneath. We need...
Item13883	r 218	24 Jun 2022 - 08:29 -- MichaelDaum	%META:FIELD{name="WaitingFor" title="WaitingFor" value=""}% -%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:a628fb3a133f%7d... +%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:a628fb3a133f%7d... %META:FIELD{name="TargetRelease" title="TargetRelease" value="minor"}... %META:FIELD{name="trunkCheckins" title="trunkCheckins" value=""}% -%META:FIELD{name="masterCheckins" value="%25GITREF%7bdistro:c994933c2...	Since rev(216): Tasks.Item13883	Since rev(5): Tasks.Item13883 - Main.GeorgeClark 03 Dec 2015 - %COMMENT% %META:FIELD{name="WaitingFor" title="WaitingFor" value=""}% -%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:a628fb3a133f%7d...
Item15149	r 1	24 Jun 2022 - 08:26 -- MichaelDaum	Tasks.Item15149 * bring back DOC_PARENT * better heading anchors of methods in a class * enable linking to methods of a class, not only the class itself...	Since rev(-1): Tasks.Item15149 * bring back DOC_PARENT * better heading anchors of methods in a class * enable linking to methods of a class, not only the class itself...	Since rev(5): Tasks.Item15149 * bring back DOC_PARENT * better heading anchors of methods in a class * enable linking to methods of a class, not only the class itself...
HallOfFame	r 2	22 Jun 2022 - 12:10 -- MichaelDaum	Tasks.HallOfFame - Foswiki Subversion Activity + Hall of Fame +%X% Note this information is outdated. Most of the action goes on at ... + The following tables show contributions to the Foswiki subversion	Since rev(0): Tasks.HallOfFame Hall of Fame Note this information is outdated. Most of the action goes on at github. Foswiki does not use subversion anymore. The following ...	Since rev(5): Tasks.HallOfFame Hall of Fame Note this information is outdated. Most of the action goes on at github. Foswiki does not use subversion anymore. The following ...
Item15077	r 2	22 Jun 2022 - 11:14 -- MichaelDaum	%META:FIELD{name="AppliesTo" title="AppliesTo" value="Extension"}% -%META:FIELD{name="Component" title="Component" value=""}% +%META:FIELD{name="Component" title="Component" value="JQueryPlugin"}% %META:FIELD{name="Priority" title=" Priority " value="Normal"}%	Since rev(0): Tasks.Item15077 The two functions showTab() and hideTab() didn't properly work at all, i.e. don't call switchTab() in every case. Main.MichaelDaum 05 Apr 202...	Since rev(5): Tasks.Item15077 The two functions showTab() and hideTab() didn't properly work at all, i.e. don't call switchTab() in every case. Main.MichaelDaum 05 Apr 202...
FixesReleaseNotesTml	r 11	22 Jun 2022 - 11:12 -- MichaelDaum	nosearch="on" - order="formfield(Priority)" + order="topic" limit="URLPARAM{"limit" default="%LIMIT%"}"	Since rev(9): Tasks.FixesReleaseNotesTml Release Notes This page lists items waiting for release in the next n/a patch minor major Security %SEARCH{ "( CurrentSt...	Since rev(5): This page lists items waiting for release in the next -URLPARAM{"type" default="n/a"} - n/a major -release.
Item15148	r 4	22 Jun 2022 - 11:06 -- MichaelDaum	%META:FIELD{name="Component" title="Component" value=""}% -%META:FIELD{name="Priority" title=" Priority " value="Normal"}% +%META:FIELD{name="Priority" title=" Priority " value="Enhancement"}... %META:FIELD{name="CurrentState" title="CurrentState" value="Waiting f...	Since rev(2): Tasks.Item15148 Plugins and skins use * VERSION: a version id, mostly float (1.23) or a tripple dot version (1.2.3) * RELEASE: the date when this extension...	Since rev(5): Tasks.Item15148 Plugins and skins use * VERSION: a version id, mostly float (1.23) or a tripple dot version (1.2.3) * RELEASE: the date when this extension...
Item15145	r 7	20 Jun 2022 - 11:05 -- MichaelDaum	%META:FIELD{name="WaitingFor" title="WaitingFor" value=""}% -%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:1d2546074535%7d... +%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:1d2546074535%7d... %META:FIELD{name="TargetRelease" title="TargetRelease" value="patch"}... %META:FIELD{name="trunkCheckins" title="trunkCheckins" value=""}% -%META:FIELD{name="masterCheckins" value="%25GITREF%7bdistro:1d2546074...	Since rev(5): Tasks.Item15145 Basically modern browsers support it for a long time now using CGI.pm supports it as well. Basically, you only need to read the filepath paramet...	Since rev(5): %META:FIELD{name="Priority" title=" Priority " value="Normal"}% -%META:FIELD{name="CurrentState" title="CurrentState" value="Waiting f... +%META:FIELD{name="CurrentState" title="CurrentState" value="Being Wor... %META:FIELD{name="WaitingFor" title="WaitingFor" value=""}% -%META:FIELD{name="Checkins" title="Checkins" value="%25GITREF%7bdistr... +%META:FIELD{name="Checkins" value="%25GITREF%7bdistro:1d2546074535%7d...
Item15147	r 1	16 Jun 2022 - 11:06 -- MichaelDaum	Tasks.Item15147 Main.MichaelDaum 16 Jun 2022	Since rev(-1): Tasks.Item15147 Main.MichaelDaum 16 Jun 2022	Since rev(5): Tasks.Item15147 Main.MichaelDaum 16 Jun 2022
Item15146	r 1	16 Jun 2022 - 10:59 -- MichaelDaum	Tasks.Item15146 If a dependency package is used 100% of code being executed, then put the use a "use ...", not a "require ..." for performance reasons. Main.Mi...	Since rev(-1): Tasks.Item15146 If a dependency package is used 100% of code being executed, then put the use a "use ...", not a "require ..." for performance reasons. Main.Mi...	Since rev(5): Tasks.Item15146 If a dependency package is used 100% of code being executed, then put the use a "use ...", not a "require ..." for performance reasons. Main.Mi...
Item14993	r 3	13 Jun 2022 - 12:17 -- KennethLavrsen	%USERSWEB%.MichaelDaum 17 Nov 2020 + +Michael. Thanks for fixing this. I applied the current github master ... + + %USERSWEB%.KennethLavrsen 13 Jun 2022 %COMMENT%	Since rev(1): Tasks.Item14993 * added dependency in HistoryPlugin 1.20 ... yet to be released atm Main.MichaelDaum 16 Nov 2020 See also Item14995 .MichaelDaum 1...	Since rev(5): Tasks.Item14993 * added dependency in HistoryPlugin 1.20 ... yet to be released atm Main.MichaelDaum 16 Nov 2020 See also Item14995 .MichaelDaum 1...
Item9012	r 4	13 Jun 2022 - 08:41 -- MichaelDaum	%META:FORM{name="ItemTemplate"}% -%META:FIELD{name="Summary" title="Summary" value="Make TwistyPlugin's... +%META:FIELD{name="Summary" title="Summary" value="make TwistyPlugin's... %META:FIELD{name="ReportedBy" title="ReportedBy" value="Main.ArthurCl... %META:FIELD{name="Priority" title=" Priority " value="Enhancement"} -%META:FIELD{name="CurrentState" title="CurrentState" value="Confirmed...	Since rev(2): Tasks.Item9012 After code freeze. 1 Deprecate mode="div" and use mode="block" 1 Deprecate mode="span" and use mode="inline" "Deprecate" means existing code...	Since rev(5): Tasks.Item9012 After code freeze. 1 Deprecate mode="div" and use mode="block" 1 Deprecate mode="span" and use mode="inline" "Deprecate" means existing code...
Item15144	r 3	13 Jun 2022 - 08:41 -- MichaelDaum	%META:FIELD{name="Priority" title=" Priority " value="Enhancement"} -%META:FIELD{name="CurrentState" title="CurrentState" value="Confirmed... +%META:FIELD{name="CurrentState" title="CurrentState" value="Waiting f... %META:FIELD{name="WaitingFor" title="WaitingFor" value=""}% -%META:FIELD{name="Checkins" title="Checkins" value=""}% +%META:FIELD{name="Checkins" title="Checkins" value="%25GITREF%7bdistr...	Since rev(1): Tasks.Item15144 These files ar empty: pub/System/TwistyPlugin/jquery.twisty.css pub/System/TwistyPlugin/jquery.twisty.uncompressed.css If they're supposed to be ...	Since rev(5): Tasks.Item15144 These files ar empty: pub/System/TwistyPlugin/jquery.twisty.css pub/System/TwistyPlugin/jquery.twisty.uncompressed.css If they're supposed to be ...
Item2077	r 4	13 Jun 2022 - 08:09 -- MichaelDaum	Main.ArthurClemens 16 Sep 2009 + +As part of the initialization process of TwistyPlugin will those elem... +An alternative twisty solution is Extensions.JQTwistyContrib which op... + +Twisty Heading	Since rev(2): Tasks.Item2077 Hi there, in a construct like this (TWISTY header) TWISTY{prefix="" mode="div" link="This text will not be printed!!" showimgleft=" This text will...	Since rev(5): Tasks.Item2077 Hi there, in a construct like this (TWISTY header) TWISTY{prefix="" mode="div" link="This text will not be printed!!" showimgleft=" This text will...
Item11790	r 3	13 Jun 2022 - 07:55 -- MichaelDaum	Main.RichMorin 25 Apr 2012 + +Developer required + %USERSWEB%.MichaelDaum 13 Jun 2022 %COMMENT% %META:FORM{name="ItemTemplate"}% -%META:FIELD{name="Summary" attributes="M" title="Summary" value="jump...	Since rev(1): Tasks.Item11790 Let's say that I have some number of nested TWISTYs, some of which are closed. If I follow a link to an item, I'd like the enclosing TWISTY(s) to...	Since rev(5): Tasks.Item11790 Let's say that I have some number of nested TWISTYs, some of which are closed. If I follow a link to an item, I'd like the enclosing TWISTY(s) to...
Item11327	r 3	13 Jun 2022 - 07:54 -- MichaelDaum	Main.JayenAshar 04 Dec 2011 + +FW*COMPRESSED aren't supported anymore. Use JQueryPlugin's debug mode... + %USERSWEB%.MichaelDaum 13 Jun 2022 %COMMENT% %META:FORM{name="ItemTemplate"}% -%META:FIELD{name="Summary" attributes="M" title="Summary" value="Syst...	Since rev(1): Tasks.Item11327 While FWSRC is working, FWCOMPRESSED and FWUNCOMPRESSED don't seem to be working. Also, FW*COMPRESSED only appears in System.TwistyPlugin and ma...	Since rev(5): Tasks.Item11327 While FWSRC is working, FWCOMPRESSED and FWUNCOMPRESSED don't seem to be working. Also, FW*COMPRESSED only appears in System.TwistyPlugin and ma...
Item5532	r 8	12 Jun 2022 - 18:05 -- MichaelDaum	KJL 02 Jun 2008 + +Closing due to lack of actions. + %USERSWEB%.MichaelDaum 12 Jun 2022 +%COMMENT% +	Since rev(6): Tasks.Item5532 I was going to try to use twistie to build a UI from sections that are used in several places, and noticed the following 1 TWISTYTOGGLE{id="log...	Since rev(5): KJL 02 Jun 2008 + +Closing due to lack of actions. + %USERSWEB%.MichaelDaum 12 Jun 2022 +%COMMENT% +
Item11399	r 4	12 Jun 2022 - 18:04 -- MichaelDaum	Main.VickiBrown 01 Jan 2012 + +Closing due to lack of actions. + %USERSWEB%.MichaelDaum 12 Jun 2022 %COMMENT% %META:FIELD{name="Priority" title=" Priority " value="Enhancement"} -%META:FIELD{name="CurrentState" title="CurrentState" value="Needs Dev...	Since rev(2): Tasks.Item11399 Extensions.TwistyPlugin has several overrides for setting defaults, including TWISTYPLUGIN_TWISTYSHOWLINK and TWISTYPLUGIN_TWISTYHIDELINK. Pl...	Since rev(5): Tasks.Item11399 Extensions.TwistyPlugin has several overrides for setting defaults, including TWISTYPLUGIN_TWISTYSHOWLINK and TWISTYPLUGIN_TWISTYHIDELINK. Pl...

Rev test

1511

-- PaulHarvey - 13 Aug 2010

I'm not sure that "horrible monster" is doing what you think. The results are similar to what I got using CALC. No + or - anywhere in the output is suspicious. I don't think it's actually a diff.

-- VickiBrown - 13 Aug 2010

I don't quite agree - the $percentINCLUDE is correctly calculating the rev number -2 - however I would agree that the $changes() token isn't very useful in its output; probably, that's a bug

-- PaulHarvey - 14 Aug 2010

Okay, now it should be fixed (the example, that is)

-- PaulHarvey - 17 Aug 2010

I've raised Item9502 for the crash this example causes on 1.1 - separate from the issues that Vicki raises.

-- SvenDowideit - 19 Aug 2010

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