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https://issues.apache.org/jira/browse/SOLR-2202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226098#comment-13226098
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Jan Høydahl commented on SOLR-2202:
-----------------------------------
I have a new patch ready soon. It
* has truly pluggable ExchangeRateProvider through new param
{{exchangeRateProvider}} on fieldType
* pulls out ExchangeRateProvider interface into its own file, with init(),
reload(), inform() and list() methods
* reading and parsing of config file delegated to FileExchangeRateProvider
* cleans up static strings into constants
* normalizes stored value when currency missing i.e. an input of "3.5" would be
"3.5,USD" if USD is default currency
* adds ASL license headers to all new files
* reverts schema field "price" back to "float" for backward compat
* removes defaultCurrency param from <field> definition and adds it to
<fieldType>
Actually, defaultCurrency param does not work at all on <field> level. Any
ideas on how it could be made working?
We should create a test with a different ExchangeRateProvider plugin just to
prove that it works..
> Money/Currency 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
> Assignee: Jan Høydahl
> Fix For: 3.6, 4.0
>
> Attachments: SOLR-2022-solr-3.patch, SOLR-2202-lucene-1.patch,
> SOLR-2202-solr-1.patch, SOLR-2202-solr-10.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,
> SOLR-2202.patch, SOLR-2202.patch, SOLR-2202.patch, SOLR-2202.patch,
> SOLR-2202.patch
>
>
> Provides support for monetary values to Solr/Lucene with query-time currency
> conversion. The following features are supported:
> - Point queries
> - Range quries
> - 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 "1000,EUR" 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 will be getting used to power the international search
> capabilities of the search engine at Etsy.
> Also see WIKI page: http://wiki.apache.org/solr/MoneyFieldType
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