Added support for "sow" parameter (Split On Whitespace) (#586)

Added support for "sow" parameter (Split On Whitespace) to select queries

docs/queries/select-query/building-a-select-query/building-a-select-query.md

@@ -6,7 +6,7 @@ Options
 The options below can be set as query option values, but also by using the set/get methods. See the API docs for all available methods.
 
 | Name                 | Type             | Default value                 | Description                                                                                                                                                                |
-|----------------------|------------------|-------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|----------------------|------------------|-------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | handler              | string           | select                        | Name of the Solr request handler to use, without leading or trailing slashes                                                                                               |
 | resultclass          | string           | Solarium\_Result\_Select      | Classname for result. If you set a custom classname make sure the class is readily available (or through autoloading)                                                      |
 | documentclass        | string           | Solarium\_Document\_ReadWrite | Classname for documents in the resultset. If you set a custom classname make sure the class is readily available (or through autoloading)                                  |
@@ -19,6 +19,7 @@ The options below can be set as query option values, but also by using the set/g
 | querydefaultfield    | string           | null                          | With a null value the default of your Solr config will be used. If you want to override this supply a field name as the value.                                             |
 | responsewriter       | string           | json                          | You can set this to 'phps' for improved response parsing performance, at the cost of a (possible) security risk. Only use 'phps' for trusted Solr instances.               |
 | tag                  | array of strings | null                          | You can supply one or multiple tags for the main query string, to allow for exclusion of the main query in facets                                                          |
+| splitonwhitespace    | bool             | null                          | Specifies whether the query parser splits the query text on whitespace before it's sent to be analyzed. Available for 'lucene' and 'edismax' query parsers since Solr 6.5. |
 ||
 
 Examples

src/QueryType/Select/Query/Query.php

@@ -763,6 +763,33 @@ class Query extends AbstractQuery implements ComponentAwareQueryInterface
         return $this->setOption('cursormark', null);
     }
 
+    /**
+     * Set SplitOnWhitespace option.
+     *
+     * Specifies whether the query parser splits the query text on whitespace before it's sent to be analyzed.
+     *
+     * The default is to split on whitespace, equivalent to &sow=true.
+     * The sow parameter was introduced in Solr 6.5.
+     *
+     * @param bool $splitOnWhitespace
+     *
+     * @return self Provides fluent interface
+     */
+    public function setSplitOnWhitespace($splitOnWhitespace)
+    {
+        return $this->setOption('splitonwhitespace', $splitOnWhitespace);
+    }
+
+    /**
+     * Get SplitOnWhitespace option.
+     *
+     * @return bool|null
+     */
+    public function getSplitOnWhitespace()
+    {
+        return $this->getOption('splitonwhitespace');
+    }
+
     /**
      * Initialize options.
      *

src/QueryType/Select/RequestBuilder.php

@@ -37,6 +37,7 @@ class RequestBuilder extends BaseRequestBuilder
         $request->addParam('q.op', $query->getQueryDefaultOperator());
         $request->addParam('df', $query->getQueryDefaultField());
         $request->addParam('cursorMark', $query->getCursormark());
+        $request->addParam('sow', $query->getSplitOnWhitespace());
 
         // add sort fields to request
         $sort = [];

tests/QueryType/Select/Query/AbstractQueryTest.php

@@ -689,6 +689,12 @@ abstract class AbstractQueryTest extends TestCase
         $this->assertSame(['t3', 't4'], $this->query->getTags());
     }
 
+    public function testSetAndGetSplitOnWhitespace()
+    {
+        $this->query->setSplitOnWhitespace(false);
+        $this->assertFalse($this->query->getSplitOnWhitespace());
+    }
+
     public function testGetSpatial()
     {
         $spatial = $this->query->getSpatial();

tests/QueryType/Select/RequestBuilderTest.php

@@ -127,6 +127,14 @@ class RequestBuilderTest extends TestCase
 
         $this->assertSame('{!tag=t1,t2}cat:1', $request->getParam('q'));
     }
+
+    public function testWithSplitOnWhitespace()
+    {
+        $this->query->setSplitOnWhitespace(false);
+        $request = $this->builder->build($this->query);
+
+        $this->assertSame('false', $request->getParam('sow'));
+    }
 }
 
 class TestDummyComponent extends AbstractComponent