[8.x] Expand Full-Text Search capabilities

src/Illuminate/Database/Query/Builder.php

@@ -295,6 +295,23 @@ public function selectRaw($expression, array $bindings = [])
         return $this;
     }
 
+    /**
+     * @param  string|string[]  $columns
+     * @param  string  $value
+     * @param  string  $as
+     * @return $this
+     */
+    public function selectFullText($columns, $value, $as, array $options = [])
+    {
+        $columns = (array) $columns;
+
+        $query = $this->grammar->compileFullText($columns, $value, $options);
+
+        return $this->selectRaw(
+            '('.$query.') as '.$this->grammar->wrap($as), [$value]
+        );
+    }
+
     /**
      * Makes "from" fetch from a subquery.
      *
@@ -415,6 +432,31 @@ public function addSelect($column)
         return $this;
     }
 
+    /**
+     * Add a fulltext select to the query.
+     *
+     * @param  string|string[]  $columns
+     * @param  string  $value
+     * @param  string  $as
+     * @return $this
+     */
+    public function addSelectFullText($columns, $value, $as, array $options = [])
+    {
+        if (is_null($this->columns)) {
+            $this->select($this->from.'.*');
+        }
+
+        $columns = (array) $columns;
+
+        $query = $this->grammar->compileFullText($columns, $value, $options);
+
+        $this->selectSub($query, $as);
+
+        $this->addBinding([$value], 'select');
+
+        return $this;
+    }
+
     /**
      * Force the query to only return distinct results.
      *

src/Illuminate/Database/Query/Grammars/Grammar.php

@@ -667,6 +667,21 @@ public function whereFullText(Builder $query, $where)
         throw new RuntimeException('This database engine does not support fulltext search operations.');
     }
 
+    /**
+     * Compile a "fulltext" clause.
+     *
+     * @param  array  $columns
+     * @param  string  $value
+     * @param  array  $options
+     * @return string
+     *
+     * @throws \RuntimeException
+     */
+    public function compileFullText($columns, $value, $options)
+    {
+        throw new RuntimeException('This database engine does not support fulltext search operations.');
+    }
+
     /**
      * Compile the "group by" portions of the query.
      *

src/Illuminate/Database/Query/Grammars/MySqlGrammar.php

@@ -51,23 +51,36 @@ protected function whereNotNull(Builder $query, $where)
     }
 
     /**
-     * Compile a "where fulltext" clause.
+     * Add a "where fulltext" clause to the query.
      *
      * @param  \Illuminate\Database\Query\Builder  $query
      * @param  array  $where
      * @return string
      */
     public function whereFullText(Builder $query, $where)
     {
-        $columns = $this->columnize($where['columns']);
+        return $this->compileFullText($where['columns'], $where['value'], $where['options']);
+    }
+
+    /**
+     * Compile a "fulltext" clause.
+     *
+     * @param  array  $columns
+     * @param  string  $value
+     * @param  array  $options
+     * @return string
+     */
+    public function compileFullText($columns, $value, $options)
+    {
+        $columns = $this->columnize($columns);
 
-        $value = $this->parameter($where['value']);
+        $value = $this->parameter($value);
 
-        $mode = ($where['options']['mode'] ?? []) === 'boolean'
+        $mode = ($options['mode'] ?? []) === 'boolean'
             ? ' in boolean mode'
             : ' in natural language mode';
 
-        $expanded = ($where['options']['expanded'] ?? []) && ($where['options']['mode'] ?? []) !== 'boolean'
+        $expanded = ($options['expanded'] ?? []) && ($options['mode'] ?? []) !== 'boolean'
             ? ' with query expansion'
             : '';