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Date: Fri, 27 Dec 2013 09:12:14 -0800 (PST)
From: Ahmet Arslan <iorixxx@yahoo.com>
Reply-To: Ahmet Arslan <iorixxx@yahoo.com>
Subject: Re: Solr - Match whole word only in text fields
To: "solr-user@lucene.apache.org" <solr-user@lucene.apache.org>
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Hi Haya,=0A=0AYes you are correct,=A0"myName=3Daaa bbb" will produce index =
terms: "myName", "aaa", "bbb". You can verify this at admin analysis page. =
You can test your analyzer by entering sample text in =A0an user interface.=
=A0=0AYour query "myName aaa" will be a Phrase Query and will match with ab=
ove settings.=0AYour query=A0"myName bbb" won't match.=0A=0Ahttp://lucene.a=
pache.org/core/4_6_0/queryparser/org/apache/lucene/queryparser/classic/pack=
age-summary.html#Proximity_Searches=0A=0AIt is better to give it a try.=A0=
=0A=0AAhmet=0A=0A=0AOn Friday, December 27, 2013 6:18 AM, Kydryavtsev Andre=
y <werder06@yandex.ru> wrote:=0AHi everybody!=0A=0AAhmet, do I get it corre=
ct - if I use this text_char_norm field type, for input "myName=3Daaa bbb" =
I'll index terms "myName", "aaa", "bbb"? So I'll match with query like "myN=
ame" or query like=A0 "bbb", but not match with "myName aaa". I can use thi=
s type for query value, so split "myName aaa" into ( "myName" && "aaa") - a=
nd it will work. But this approach will give false positive match with "myN=
ame bbb". What do you think, how I can handle this? One of the=A0 approache=
s is to use in this field type KeywordTokenizer+ShingleFilter instead of Wh=
itespaceTokenizerFactory, so tokens like "myName", "myName aaa", "myName aa=
a bbb", "aaa", "aaa bbb", "bbb" will be indexed, but it significantly incre=
ased index size in case of long values. =0A=0A=0A26.12.2013, 03:20, "Ahmet =
Arslan" <iorixxx@yahoo.com>:=0A> Hi Haya,=0A>=0A> With MappingCharFilter yo=
u can have full control over character set that you want to split.=0A>=0A> =
in mappings.txt you will have=0A>=0A> ":" =3D> " "=0A> "=3D" =3D> " "=0A>=
=0A> Use the following type and see if it suits for your needs. Update mapp=
ings.txt according to your needs.=0A>=0A> =A0=A0=A0 <fieldType name=3D"text=
_char_norm" class=3D"solr.TextField" positionIncrementGap=3D"100" >=0A> =A0=
=A0=A0=A0=A0 <analyzer>=0A> =A0=A0=A0=A0=A0=A0=A0 <charFilter class=3D"solr=
.MappingCharFilterFactory" mapping=3D"mappings.txt"/>=0A> =A0=A0=A0=A0=A0=
=A0=A0 <tokenizer class=3D"solr.WhitespaceTokenizerFactory"/>=0A> =A0=A0=A0=
=A0=A0=A0=A0 <filter class=3D"solr.LowerCaseFilterFactory" />=0A> =A0=A0=A0=
=A0=A0 </analyzer>=0A> =A0=A0=A0 </fieldType>=0A>=0A> On Sunday, December 2=
2, 2013 9:19 PM, haya.axelrod <haya.axelrod@gmail.com> wrote:=0A> I have a =
text field that can contain very long values (like text files). I=0A> want =
to create field type for it (text, not string), in order to have=0A> someth=
ing like "Match whole word only" in notepad++, but the delimiter=0A> should=
 not be only white spaces. If i have:=0A>=0A> myName=3Daaa bbb=0A>=0A> I wo=
uld like to get it for the following search strings "aaa", "bbb", "aaa=0A> =
bbb", "myName=3Daaa bbb", "myName", but not for "aa" or "ame=3Da" or "a bb"=
.=0A> Another example is:=0A>=0A> <myName>aaa bbb</myName>=0A> Can i do thi=
s somehow?=0A>=0A> What should be my field type definition?=0A>=0A> The tex=
t can contain any character. Before search i'm escaping the search=0A> stri=
ng using=0A> http://lucene.apache.org/solr/4_2_1/solr-solrj/org/apache/solr=
/client/solrj/util/ClientUtils.html=0A>=0A> Thanks=0A>=0A> --=0A> View this=
 message in context: http://lucene.472066.n3.nabble.com/Solr-Match-whole-wo=
rd-only-in-text-fields-tp4107795.html=0A> Sent from the Solr - User mailing=
 list archive at Nabble.com.