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https://issues.apache.org/jira/browse/SOLR-2202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925338#action_12925338
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Robert Muir commented on SOLR-2202:
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Hello, taking a look at the code, is there any specific reason you didn't use
NumberFormat/Currency in java for parsing, output, symbols, etc?
I think this would be easier in order to support more locales.
Some examples below, using NumberFormat.getCurrencyInstance() with a specified
currency, specifying locale:
thai baht:
{noformat}
en_US: THB1,234.50
th_TH: ฿1,234.50
th_TH_TH: ฿๑,๒๓๔.๕๐
{noformat}
euro:
{noformat}
de_DE: 1.234,50 €
en_US: EUR1,234.50
{noformat}
> 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-2202-lucene-1.patch, SOLR-2202-solr-1.patch,
> SOLR-2202-solr-2.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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