Filtering date-typed attribute performs perfect match on the advanced search result page.

[syucream]

Filtering attributes on advanced search result page basically performs partial match. For e.g. hoge keyword returns a result has hogefuga. But date-typed attribute has a different behavior.

When I get these entries:

I put 2021-03 keyword with expecting 2 results has 2021-03-27, but actually it returned nothing:

If I put the full date string 2021-03-27, it returns the results.

I thinks its not natural, should follow other kinds of attributes.

[syucream]

I found a date-specific (undocumented?) trick on elasticsearch module. It accepts a special keyword containing >, < to filter search results with date-range.
https://github.com/dmm-com/airone/blob/ce3c199f23c595a7c029ee52b57297b3666343e3/airone/lib/elasticsearch.py#L529-L553

Actually I succeeded to filter the result, for e.g.:

So isn't this issue a problem, its a spec?