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From Alexandre Rafalovitch <>
Subject Re: applicability of schema on document
Date Sun, 28 Sep 2014 21:22:06 GMT

Just answering your three emails on two emailing lists. You seem to
want to jump into the middle of Solr and then dig your way both ways.
So, your question here is a mix of very basic and unnecessarily

Specifically, you seem to be missing a link between schema.xml and
solrconfig.xml. You need to look at both of the files if you are
actually trying to understand what's going on, as opposed to just
changing one thing to get from one point to another.

Both files for multiple examples that come with Solr are heavily
documented and give you MORE than you want to know. In fact, half of
the solrconfig.xml is a bit scary to me right now and I wrote a book
on Solr. But it has the answers and if you just read it, you will know
better questions to ask.

P.s. Feel free to ignore this, we'll help you anyway. It's just that
the above might be MORE efficient than the strategy you selected so
Personal: and @arafalov
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Solr popularizers community:

On 27 September 2014 04:05, Anurag Sharma <> wrote:
> I am trying to understand how the schema and it's field types gets applied
> to a document. Is it based on a document Id e.g. how to specify solr to
> store fields like age as integer, dateofbirth as date but not as a string
> or vice versa. Also, is it possible to change the field type at runtime?
> Direct update using below command adds the values even when the id doesn't
> exist:
> curl http://localhost:8983/solr/update\?commit\=true -H
> 'Content-type:application/json' -d '[{"dob": {"add":
> ["2014-02-12T12:00:00Z", "2014-07-16T12:00:00Z"]}, "id": 1111}]'
> My doubts in the above scenario are:
>    - Is it taking some default types based on parsed values?
>    - Is it also possible to store multiple types in a single field?
>    - What are the rules for schema less doc
> Above scenario is tried using solr.war in example/webapps Following are
> multiple schema files in example directory
> ./example/example-DIH/solr/db/conf/schema.xml
> ./example/example-DIH/solr/mail/conf/schema.xml
> ./example/example-DIH/solr/rss/conf/schema.xml
> ./example/example-DIH/solr/solr/conf/schema.xml
> ./example/example-DIH/solr/tika/conf/schema.xml
> ./example/example-schemaless/solr/collection1/conf/schema.xml
> ./example/multicore/core0/conf/schema.xml
> ./example/multicore/core1/conf/schema.xml
> ./example/solr/collection1/conf/schema.xml
> Any documentation or unit tests describing the flow, creating and using the
> schema will be helpful.
> Thanks
> Anurag

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