[5.6] Operator optional! (#22378)

* Update Builder.php

* add test whereTime Operator optional to mysql and postgres

* change singature orWhereTime

src/Illuminate/Database/Query/Builder.php

@@ -993,12 +993,16 @@ public function orWhereDate($column, $operator, $value)
      *
      * @param  string  $column
      * @param  string   $operator
-     * @param  int   $value
+     * @param  mixed   $value
      * @param  string   $boolean
      * @return \Illuminate\Database\Query\Builder|static
      */
-    public function whereTime($column, $operator, $value, $boolean = 'and')
+    public function whereTime($column, $operator, $value = null, $boolean = 'and')
     {
+        list($value, $operator) = $this->prepareValueAndOperator(
+            $value, $operator, func_num_args() == 2
+        );
+
         return $this->addDateBasedWhere('Time', $column, $operator, $value, $boolean);
     }
 
@@ -1007,10 +1011,10 @@ public function whereTime($column, $operator, $value, $boolean = 'and')
      *
      * @param  string  $column
      * @param  string   $operator
-     * @param  int   $value
+     * @param  mixed   $value
      * @return \Illuminate\Database\Query\Builder|static
      */
-    public function orWhereTime($column, $operator, $value)
+    public function orWhereTime($column, $operator, $value = null)
     {
         return $this->whereTime($column, $operator, $value, 'or');
     }

tests/Database/DatabaseQueryBuilderTest.php

@@ -325,6 +325,22 @@ public function testWhereTimeMySql()
         $this->assertEquals([0 => '22:00'], $builder->getBindings());
     }
 
+    public function testWhereTimeOperatorOptionalMySql()
+    {
+        $builder = $this->getMySqlBuilder();
+        $builder->select('*')->from('users')->whereTime('created_at', '22:00');
+        $this->assertEquals('select * from `users` where time(`created_at`) = ?', $builder->toSql());
+        $this->assertEquals([0 => '22:00'], $builder->getBindings());
+    }
+
+    public function testWhereTimeOperatorOptionalPostgres()
+    {
+        $builder = $this->getPostgresBuilder();
+        $builder->select('*')->from('users')->whereTime('created_at', '22:00');
+        $this->assertEquals('select * from "users" where extract(time from "created_at") = ?', $builder->toSql());
+        $this->assertEquals([0 => '22:00'], $builder->getBindings());
+    }
+
     public function testWhereDatePostgres()
     {
         $builder = $this->getPostgresBuilder();