replaced type of solr schema object sku of text_en_splitting_tight by

string

defaults/solr/schema.xml

@@ -90,9 +90,10 @@
       and back compatibility is not guaranteed.  Names with both leading and
       trailing underscores (e.g. _version_) are reserved.
    -->
-        
+
    <field name="id" type="string" indexed="true" stored="true" required="true" /> 
-   <field name="sku" type="text_en_splitting_tight" indexed="true" stored="true" omitNorms="true"/>
+   <field name="sku" type="string" indexed="true" stored="true" omitNorms="true"/>
+   <!--<field name="sku" type="text_en_splitting_tight" indexed="true" stored="true" omitNorms="true"/>-->
    <field name="name" type="text_general" indexed="true" stored="true"/>
    <field name="manu" type="text_general" indexed="true" stored="true" omitNorms="true"/>
    <field name="cat" type="string" indexed="true" stored="true" multiValued="true"/>

source/net/yacy/search/schema/CollectionSchema.java

@@ -32,7 +32,8 @@ public enum CollectionSchema implements SchemaDeclaration {
     
     // mandatory
     id(SolrType.string, true, true, false, false, false, "primary key of document, the URL hash **mandatory field**"),
-    sku(SolrType.text_en_splitting_tight, true, true, false, true, true, "url of document"), // a 'sku' is a stock-keeping unit, a unique identifier and a default field in unmodified solr.
+    sku(SolrType.string, true, true, false, true, true, "url of document"), // a 'sku' is a stock-keeping unit, a unique identifier and a default field in unmodified solr.
+    //sku(SolrType.text_en_splitting_tight, true, true, false, true, true, "url of document"), // a 'sku' is a stock-keeping unit, a unique identifier and a default field in unmodified solr.
     last_modified(SolrType.date, true, true, false, false, false, "last-modified from http header"),
     content_type(SolrType.string, true, true, true, false, false, "mime-type of document"),
     title(SolrType.text_general, true, true, true, false, true, "content of title tag"),