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From "Trejkaz (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1206) Ability to store Reader / InputStream fields
Date Fri, 07 Mar 2008 00:00:58 GMT
Ability to store Reader / InputStream fields
--------------------------------------------

                 Key: LUCENE-1206
                 URL: https://issues.apache.org/jira/browse/LUCENE-1206
             Project: Lucene - Java
          Issue Type: New Feature
          Components: Index
            Reporter: Trejkaz


In some situations we would like to store the whole text, but the whole text won't always
fit in memory so we can't create a String.  Likewise for storing binary, it would sometimes
be better if we didn't have to read into a byte[] up-front (even when it doesn't use much
memory, it increases the number of copies made and adds burden to GC.)

FieldsWriter currently writes the length at the start of the chunks though, so I don't know
whether it would be possible to seek back and write the length after writing the data.

It would also be useful to use this in conjunction with compression, both for Reader and InputStream
types.  And when retrieving the field, it should be possible to create a Reader without reading
the entire String into memory up-front.


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