@tsteur opened this issue on October 21st 2012

I tried to test evolution graph with "period=range". For example from 8th August 2012 to 2nd September 2012. It renders a graph displaying "No data for this graph" if there are no visits/actions on the last day of the period. If I set range from 8th August 2012 to 3rd September 2012, it dispalys the graph. There are actions and visits in August. It seems just to depend whether there are actions/visits on the last day.

When the graph is displayed with message "No data for this graph", the graph is also loading fast. Maybe it just looks at the last day and does no further queries in this case.

Manage this edge case when there is no data. This happens with any period, not only range.

See #3158 and #3158

@mattab commented on November 24th 2012

xhprof use is related to #3464

@diosmosis commented on February 28th 2013

In 930ec65093018c13c39091e991a4ebacd7a30ee3: Refs #3465, use bulk tracking in RowEvolution integration test to speed it up.

@diosmosis commented on March 11th 2013

In 80ac6ac1666508cb0844dc1eac2faba303fa9f9e: Refs #3465, remove Piwik_DataTable_Array::metadata and move data to Piwik_DataTable::metadata.

@diosmosis commented on March 11th 2013

In 900eec1ff8bfa8ef758df53bb53908fad684448c: Refs #3465, fixing build

@julienmoumne commented on March 11th 2013

duplicate of #3790

@mattab commented on March 11th 2013

@JulienM wrote in #3790:

Since 3013 the Row Evolution API can be called to retrieve the top N label evolutions.

As suggested in 3158#comment:12, when there are less than 5 labels for the requested period, "top up" the labels list by requesting the report for the current year of data.

@diosmosis commented on March 17th 2013

In 51b77878acf71118e9d4cb769d72ded7bbfbf6fa: Fixes #3465, refactor row evolution code to fix bug where if no labels are specified and last period has no labels, no data is returned. Refactoring also contains optimization for case where no labels are specified.

Notes: - Simplified DataTableManipulator and derived classes. - Allow LabelFilter to use multiple labels. Can be used by specifying array for label query parameter (ie, label[]=...). - Removed getFilteredTableFromLabel function from datatable types and add getEmptyClone to DataTable_Array. - Added setIdSite to php tracker PiwikTracker.

@diosmosis commented on April 9th 2013

In d9ff5001ecfe0fc763e62dc3a9363fc4a45d02d3: Refs #3465, fix regression in multi row evolution API output where columns w/ value of 0 were not outputted.

@diosmosis commented on April 16th 2013

In 7a89c65378fd7893d5c0b0fdec925b870adb4ed9: Refs #3465, make sure labels are associated with correct rows in multi-row evolution after generic filters (ie, Sort) are applied.

@diosmosis commented on April 17th 2013

In 204cbc0af2cc2914235f6a720e4a5abf0d6b4101: Refs #3465, fix regression for flattener filter where queued filters were applied on the flattened datatable.

@diosmosis commented on April 17th 2013

In a8420c06e0e11288a344bfc054c7fb6970db3c7f: Refs #3465, fixing build.

This issue was closed on April 17th 2013
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