Actions.getDownloads data difference between overlapping date ranges

@ScottIBM wrote:

Hello everyone,

I am running into some data inconsistencies when I call getDownloads on two different date ranges (full calls below). Please note, calls have had the domain and token removed for security purposes.

My under standing is: If i specify getDownloads with a range of Jan. 1st to Jan. 8th, let's call this Call-A, this data should be also present within getDownloads with a range of Jan. 1st to Jan 31st, let's call this Call-B.

Full Calls to piwik
Call-A
myDomain/tools/piwik/index.php?module=API&method=Actions.getDownloads&format=JSON&idSite=1&period=range&date=2017-01-01,2017-01-08&flat=1&include_aggregate_rows=1&filter_limit=-1&token_auth=myAuthToken

Call-B
myDomain/tools/piwik/index.php?module=API&method=Actions.getDownloads&format=JSON&idSite=1&period=range&date=2017-01-01,2017-01-31&flat=1&include_aggregate_rows=1&filter_limit=-1&token_auth=myAuthToken

My expectation for this data is that Call-A would be a subset of Call-B ie. all the downloads in the first week (Call-A) would be represented in all the downloads in that month (Call-B).

The Issue
However, Call-A results in 43 results and only 41 of them are present in Call-B. This makes for inconsistent reporting history. Under my current expectations and understanding I believe this is a bug.

I can repeat this issue for the 2nd, 3rd, and 4th weeks within the month.

If anyone can help with this issue, clear up my understanding of the problem, or confirm it is a bug it would be much appreciated.

Thank you,

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