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Item6406: Table sorting incorrect for negative numbers

Item Form Data

AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Extension TablePlugin Normal Closed   patch 5.0.0

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Reported By:
Applies To:
Current State:
Waiting For:
Target Release:
Released In:


According to the TablePlugin docs, data is only treated as numeric for sorting if it consists of digits plus an optional decimal point.

In particular, negative numbers are not sorted correctly:

%TABLE{sort="on" initsort="1"}%
| *number* |
| -1 |
| -10.1 |
| -9.99 |
| -2 |
| -2.0 |
| -20 |


numberSorted ascending

Is this behaviour intended?

-- TWiki:Main.BryanKitts - 12 Mar 2010

Changing lib/TWiki/Plugins/TablePlugin/Core.pm line 536 to this seems to fix it:

    elsif ( $text =~ /^\s*((-?[0-9]+)(\.([0-9]))?).*$/ ) {

-- TWiki:Main.BryanKitts - 12 Mar 2010

Thank you Bryan for reporting the issue and for providing a patch. This is now in trunk and 4.3 branch, as well as new release at TWiki:Plugins/TablePlugin.

-- TWiki:Main.PeterThoeny - 21 Mar 2010

Summary Table sorting incorrect for negative numbers
ReportedBy TWiki:Main.BryanKitts
Codebase 4.2.0
SVN Range

AppliesTo Extension
Component TablePlugin
Priority Normal
CurrentState Closed

Checkins TWikirev:18395 TWikirev:18396
TargetRelease patch
ReleasedIn 5.0.0
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Topic revision: r6 - 2010-05-31 - PeterThoeny
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