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SOLR-8220: Improve upgrade notes in CHANGES.txt 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1721808 13f79535-47bb-0310-9956-ffa450edef68
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Shalin Shekhar Mangar 2015-12-27 12:35:29 +00:00
parent 7bfb2a2949
commit d2058e1c29
1 changed files with 5 additions and 5 deletions
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solr/CHANGES.txt
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@ -226,11 +226,11 @@ Upgrading from Solr 5.4
therefore incur additional cost to retrieve for each returned document. All example schema are upgraded to
version 1.6 but any older schemas will default to useDocValuesAsStored=false and continue to work as in
older versions of Solr. If this new behavior is desirable, then you should set version attribute in your
schema file to '1.6'.
Also note that returning stored fields from docValues (default in schema versions 1.6+) returns multiValued
fields in sorted order. If you require the older behavior of multiValued fields being returned in the
original insertion order, set useDocValuesAsStored="false" for the individual fields or make
sure your schema version is < 1.6. This does not require re-indexing.
schema file to '1.6'. Re-indexing is not necessary to upgrade the schema version.
Also note that while returning non-stored fields from docValues (default in schema versions 1.6+, unless
useDocValuesAsStored is false), the values of a multi-valued field are returned in sorted order.
If you require the multi-valued fields to be returned in the original insertion order, then make your
multi-valued field as stored. This requires re-indexing.
See SOLR-8220 for more details.
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