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https://issues.apache.org/jira/browse/SOLR-2202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115803#comment-13115803
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Greg Fodor commented on SOLR-2202:
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Hey Jan, awesome! The latest patch is the implementation we have been running
in production for some time now. (We are on Solr trunk, however, and there were
some small tweaks necessary to get it to build there.) Once enhancement we are
likely to make is the ability to reload the currency.xml file without reloading
the Solr cores. Other than that, I think this should be good to go.
It's been quite a while since I have looked at this patch -- please let me know
if you find that it does not merge in or test properly with the current release
of Solr. Also, let me know what I need to do documentation wise and so on.
Thanks a bunch, excited to see this come together!
> Money FieldType
> ---------------
>
> Key: SOLR-2202
> URL: https://issues.apache.org/jira/browse/SOLR-2202
> Project: Solr
> Issue Type: New Feature
> Components: Schema and Analysis
> Affects Versions: 1.5
> Reporter: Greg Fodor
> Attachments: SOLR-2022-solr-3.patch, SOLR-2202-lucene-1.patch,
> SOLR-2202-solr-1.patch, SOLR-2202-solr-2.patch, SOLR-2202-solr-4.patch,
> SOLR-2202-solr-5.patch, SOLR-2202-solr-6.patch, SOLR-2202-solr-7.patch,
> SOLR-2202-solr-8.patch, SOLR-2202-solr-9.patch
>
>
> Attached please find patches to add support for monetary values to
> Solr/Lucene with query-time currency conversion. The following features are
> supported:
> - Point queries (ex: "price:4.00USD")
> - Range quries (ex: "price:[$5.00 TO $10.00]")
> - Sorting.
> - Currency parsing by either currency code or symbol.
> - Symmetric & Asymmetric exchange rates. (Asymmetric exchange rates are
> useful if there are fees associated with exchanging the currency.)
> At indexing time, money fields can be indexed in a native currency. For
> example, if a product on an e-commerce site is listed in Euros, indexing the
> price field as "10.00EUR" will index it appropriately. By altering the
> currency.xml file, the sorting and querying against Solr can take into
> account fluctuations in currency exchange rates without having to re-index
> the documents.
> The new "money" field type is a polyfield which indexes two fields, one which
> contains the amount of the value and another which contains the currency code
> or symbol. The currency metadata (names, symbols, codes, and exchange rates)
> are expected to be in an xml file which is pointed to by the field type
> declaration in the schema.xml.
> The current patch is factored such that Money utility functions and
> configuration metadata lie in Lucene (see MoneyUtil and CurrencyConfig),
> while the MoneyType and MoneyValueSource lie in Solr. This was meant to
> mirror the work being done on the spacial field types.
> This patch has not yet been deployed to production but will be getting used
> to power the international search capabilities of the search engine at Etsy.
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