[11.x] Adds support for using castAsJson with a MariaDb connection (#51963)

* Adds support for using castAsJson with a MariaDb connection

* formatting

---------

Co-authored-by: haniha <[email protected]>
Co-authored-by: Taylor Otwell <[email protected]>

Author: 3 people

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

@@ -22,6 +22,17 @@ public function compileJoinLateral(JoinLateralClause $join, string $expression):
         throw new RuntimeException('This database engine does not support lateral joins.');
     }
 
+    /**
+     * Compile a "JSON value cast" statement into SQL.
+     *
+     * @param  string  $value
+     * @return string
+     */
+    public function compileJsonValueCast($value)
+    {
+        return "json_query({$value}, '$')";
+    }
+
     /**
      * Determine whether to use a legacy group limit clause for MySQL < 8.0.
      *

tests/Testing/Concerns/InteractsWithDatabaseTest.php

@@ -4,6 +4,7 @@
 
 use Illuminate\Database\ConnectionInterface;
 use Illuminate\Database\Query\Expression;
+use Illuminate\Database\Query\Grammars\MariaDbGrammar;
 use Illuminate\Database\Query\Grammars\MySqlGrammar;
 use Illuminate\Database\Query\Grammars\PostgresGrammar;
 use Illuminate\Database\Query\Grammars\SQLiteGrammar;
@@ -119,6 +120,29 @@ public function testCastToJsonMySql()
         );
     }
 
+    public function testCastToJsonMariaDb()
+    {
+        $grammar = new MariaDbGrammar();
+
+        $this->assertEquals(<<<'TEXT'
+        json_query('["foo","bar"]', '$')
+        TEXT,
+            $this->castAsJson(['foo', 'bar'], $grammar)
+        );
+
+        $this->assertEquals(<<<'TEXT'
+        json_query('["foo","bar"]', '$')
+        TEXT,
+            $this->castAsJson(collect(['foo', 'bar']), $grammar)
+        );
+
+        $this->assertEquals(<<<'TEXT'
+        json_query('{"foo":"bar"}', '$')
+        TEXT,
+            $this->castAsJson((object) ['foo' => 'bar'], $grammar)
+        );
+    }
+
     protected function castAsJson($value, $grammar)
     {
         $connection = m::mock(ConnectionInterface::class);