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https://issues.apache.org/jira/browse/SOLR-5065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718379#comment-13718379
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Jack Krupansky commented on SOLR-5065:
--------------------------------------
My main point was really that it was a shocking surprise to find out that this
processor did not accept a number that was acceptable to both Java and JSON as
well as Solr itself for "double" and "float" fields. I would also note that
Python and JavaScript allow optional plus for exponents as well. Many other
languages as well.
To put it more simply, how would a user, reading the Javadoc for this processor
have any F'in clue that a plus is not acceptable in an exponent?
I'd be willing to chalk this up to a bug/limitation in NumberFormat - IFF the
limitation gets documented for this processor. I read through the NumberFormat
Javadoc as carefully as I could and could find no hint that it had such a
limitation. I mean, I just assumed it would accept Java numbers. Obviously my
assumption was wrong. Sigh.
And my real bottom line is that if a double syntax is acceptable by Solr itself
for a double/trie double field, it should be acceptable by this processor...
or, that any limitation that is different from Solr double field should be
clearly documented.
> ParseDoubleFieldUpdateProcessorFactory is unable to parse "+" in exponent
> -------------------------------------------------------------------------
>
> Key: SOLR-5065
> URL: https://issues.apache.org/jira/browse/SOLR-5065
> Project: Solr
> Issue Type: Bug
> Components: update
> Affects Versions: 4.4
> Reporter: Jack Krupansky
>
> The ParseDoubleFieldUpdateProcessorFactory is unable to parse the full syntax
> of Java/JSON scientific notation. Parse fails for "4.5E+10", but does succeed
> for "4.5E10" and "4.5E-10".
> Using the schema and config from example-schemaless, I added this data:
> {code}
> curl "http://localhost:8983/solr/update?commit=true"; \
> -H 'Content-type:application/json' -d '
> [{"id": "doc-1",
> "a1": "Hello World",
> "a2": 123,
> "a3": 123.0,
> "a4": 1.23,
> "a5": 4.5E+10,
> "a6": "123",
> "a7": true,
> "a8": false,
> "a9": "true",
> "a10": "2013-07-22",
> "a11": 4.5E10,
> "a12": 4.5E-10,
> "a13": "4.5E+10",
> "a14": "4.5E10",
> "a15": "4.5E-10"}]'
> {code}
> A query returns:
> {code}
> <doc>
> <str name="id">doc-1</str>
> <arr name="a1">
> <str>Hello World</str>
> </arr>
> <arr name="a2">
> <long>123</long>
> </arr>
> <arr name="a3">
> <double>123.0</double>
> </arr>
> <arr name="a4">
> <double>1.23</double>
> </arr>
> <arr name="a5">
> <double>4.5E10</double>
> </arr>
> <arr name="a6">
> <long>123</long>
> </arr>
> <arr name="a7">
> <bool>true</bool>
> </arr>
> <arr name="a8">
> <bool>false</bool>
> </arr>
> <arr name="a9">
> <bool>true</bool>
> </arr>
> <arr name="a10">
> <date>2013-07-22T00:00:00Z</date>
> </arr>
> <arr name="a11">
> <double>4.5E10</double>
> </arr>
> <arr name="a12">
> <double>4.5E-10</double>
> </arr>
> <arr name="a13">
> <str>4.5E+10</str>
> </arr>
> <arr name="a14">
> <double>4.5E10</double>
> </arr>
> <arr name="a15">
> <double>4.5E-10</double>
> </arr>
> <long name="_version_">1441308941516537856</long></doc>
> {code}
> The input value of a13 was the same as a5, but was treated as a string,
> rather than parsed as a double. So, JSON/Java was able to parse "4.5E+10",
> but this update processor was not.
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