Like this:
<!-- Like a string class, but lower cased -->
<fieldType name="string_lower" class="solr.TextField">
<analyzer>
<tokenizer class="solr.KeywordTokenizerFactory"/>
<filter class="solr.LowerCaseFilterFactory"/>
</analyzer>
</fieldType>
wunder
Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/ (my blog)
> On Oct 11, 2016, at 7:43 AM, Ahmet Arslan <iori...@yahoo.com.INVALID> wrote:
>
> Hi,
>
> KeywordTokenizer and LowerCaseFilter should suffice. Optionally you can add
> TrimFilter too.
>
> Ahmet
>
>
> On Tuesday, October 11, 2016 5:24 PM, Zheng Lin Edwin Yeo
> <edwinye...@gmail.com> wrote:
> Hi,
>
> Would like to find out, what is the best way to lowercase all the text,
> while preserving all the tokens.
>
> As I need to preserve every character of the text (including symbols and
> white space), I'm using String. However, I can't put the
> LowerCaseFilterFactory in String.
>
> I found that we can use WhitespaceTokenizerFactory, followed by
> LowerCaseFilterFactory. Although WhitespaceTokenizerFactory can preserve
> the symbols, it will still split on Whitespace, which is what we do not
> want. This is because we may have words like 'One' and 'One Way'. If we use
> the WhitespaceTokenizerFactory and search for 'One', it will return records
> with 'One Way' too, which is what we do not want.
>
> Is there other way which we can achieve this?
>
> I'm using Solr 6.2.1.
>
> Regards,
> Edwin
