support delete with limit on sqlsrv

Author: taylorotwell

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

@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Query\Builder;
 use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
 
 class SqlServerGrammar extends Grammar
 {
@@ -232,6 +233,23 @@ protected function compileRowConstraint($query)
         return ">= {$start}";
     }
 
+    /**
+     * Compile a delete statement without joins into SQL.
+     *
+     * @param  \Illuminate\Database\Query\Builder  $query
+     * @param  string  $table
+     * @param  string  $where
+     * @return string
+     */
+    protected function compileDeleteWithoutJoins(Builder $query, $table, $where)
+    {
+        $sql = parent::compileDeleteWithoutJoins($query, $table, $where);
+
+        return ! is_null($query->limit) && $query->limit > 0 && $query->offset <= 0
+                        ? Str::replaceFirst('delete', 'delete top ('.$query->limit.')', $sql)
+                        : $sql;
+    }
+
     /**
      * Compile the random statement into SQL.
      *

tests/Database/DatabaseQueryBuilderTest.php

@@ -2355,6 +2355,11 @@ public function testDeleteMethod()
         $builder->getConnection()->shouldReceive('delete')->once()->with('delete from [users] where [email] = ?', ['foo'])->andReturn(1);
         $result = $builder->from('users')->where('email', '=', 'foo')->delete();
         $this->assertEquals(1, $result);
+
+        $builder = $this->getSqlServerBuilder();
+        $builder->getConnection()->shouldReceive('delete')->once()->with('delete top (1) from [users] where [email] = ?', ['foo'])->andReturn(1);
+        $result = $builder->from('users')->where('email', '=', 'foo')->orderBy('id')->take(1)->delete();
+        $this->assertEquals(1, $result);
     }
 
     public function testDeleteWithJoinMethod()