fix: add getDateFormat to Schema/Grammar

src/Colopl/Spanner/Concerns/SharedGrammarCalls.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright 2019 Colopl Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Colopl\Spanner\Concerns;
+
+use Illuminate\Database\Grammar;
+
+trait SharedGrammarCalls
+{
+    /**
+     * @see Grammar::getDateFormat()
+     * @see https://cloud.google.com/spanner/docs/data-types#time-zones
+     */
+    public function getDateFormat()
+    {
+        return 'Y-m-d\TH:i:s.uP';
+    }
+}

src/Colopl/Spanner/Query/Grammar.php

@@ -17,6 +17,7 @@
 
 namespace Colopl\Spanner\Query;
 
+use Colopl\Spanner\Concerns\SharedGrammarCalls;
 use Colopl\Spanner\Query\Builder as SpannerBuilder;
 use Illuminate\Database\Query\Builder;
 use Illuminate\Database\Query\Expression;
@@ -25,6 +26,8 @@
 
 class Grammar extends BaseGrammar
 {
+    use SharedGrammarCalls;
+
     /**
      * @inheritDoc
      */
@@ -86,15 +89,6 @@ protected function wrapValue($value)
         return '`'.str_replace('`', '``', $value).'`';
     }
 
-    /**
-     * @inheritDoc
-     * @see https://cloud.google.com/spanner/docs/data-types#time-zones
-     */
-    public function getDateFormat()
-    {
-        return 'Y-m-d\TH:i:s.uP';
-    }
-
     /**
      * @inheritDoc
      */

src/Colopl/Spanner/Schema/Grammar.php

@@ -17,6 +17,7 @@
 
 namespace Colopl\Spanner\Schema;
 
+use Colopl\Spanner\Concerns\SharedGrammarCalls;
 use Illuminate\Database\Connection;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Schema\Grammars\Grammar as BaseGrammar;
@@ -25,6 +26,8 @@
 
 class Grammar extends BaseGrammar
 {
+    use SharedGrammarCalls;
+
     /**
      * The possible column modifiers.
      *