I want to avoid duplicate values in one multivalued field.
i am using dataimport handler to import data, the particular multivalued
field are being filled from xml source. now that xml has duplicate values,
but i want to have unique valued in this multivalued field.
e.g. xml
<data>
a1
b1
a1
a1
</data>
i have added RemoveDuplicatesTokenFilterFactory in data type of the field,
in index analyzer.
still it gives below o/p.
<arr name="field">
<str>a1</str>
<str>b1</str>
<str>a1</str>
<str>a1</str>
</arr>
i am using solr 3.5.
how can i avoid importing duplicate values in the field?
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