php - How to search whole solr index? -

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I import the data from the database directly into the SLOR index. Now I want to search using it. Now I want to find it: 

  $ offset = 0; $ Range = 10; $ Queries = array ('details: server'); $ Response = $ solr- & gt; Search ($ query, $ offset, $ range);   
 For now I can only search when specifying fields, e.g.  Details . Is there a way to find all the areas at one time?   
 
 
 If you leave the  details: , will it be all the fields Does not find indexed? Otherwise, you can always add several fields in a query like this:  
  Description: Server or Field 2: Server or Field 3: Server   
 Edit: Regarding the default field to search, specify a "dummy" field that will be populated with multiple values:  
  & lt; Field Name = "Text" type = "text" indexed = "true" stored = "false" multidimensional = "true" />   
 Then there are copyfielded entries for all fields that will be searched :  
  & copy; CopyField source = "title" dest = "text" / & gt; & Lt; CopyField source = "akatitle" dest = "text" /> & Lt; CopyField source = "year" dest = "text" />   
 And finally, specify that this field should be the default:  
  & lt; DefaultSearchField & gt; Text & lt; / DefaultSearchField & gt;   
 It should work.

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