Move getJsonTypeDeclarationSQL() to AbstractMySQLPlatform

src/Platforms/AbstractMySQLPlatform.php

@@ -119,6 +119,14 @@ public function getListViewsSQL(string $database): string
         return 'SELECT * FROM information_schema.VIEWS WHERE TABLE_SCHEMA = ' . $this->quoteStringLiteral($database);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function getJsonTypeDeclarationSQL(array $column): string
+    {
+        return 'JSON';
+    }
+
     /**
      * Gets the SQL snippet used to declare a CLOB column type.
      *     TINYTEXT   : 2 ^  8 - 1 = 255

src/Platforms/MariaDBPlatform.php

@@ -20,19 +20,6 @@
  */
 class MariaDBPlatform extends AbstractMySQLPlatform
 {
-    /**
-     * Use JSON rather than LONGTEXT for json columns. Since it is not a true native type, do not override
-     * hasNativeJsonType() so the DC2Type comment will still be set.
-     *
-     * @link https://mariadb.com/kb/en/library/json-data-type/
-     *
-     * {@inheritDoc}
-     */
-    public function getJsonTypeDeclarationSQL(array $column): string
-    {
-        return 'JSON';
-    }
-
     /**
      * Generate SQL snippets to reverse the aliasing of JSON to LONGTEXT.
      *
@@ -46,10 +33,6 @@ public function getJsonTypeDeclarationSQL(array $column): string
      */
     public function getColumnTypeSQLSnippets(string $tableAlias = 'c'): array
     {
-        if ($this->getJsonTypeDeclarationSQL([]) !== 'JSON') {
-            return parent::getColumnTypeSQLSnippets($tableAlias);
-        }
-
         $columnTypeSQL = <<<SQL
             IF(
                 x.CHECK_CLAUSE IS NOT NULL AND $tableAlias.COLUMN_TYPE = 'longtext',

src/Platforms/MySQLPlatform.php

@@ -34,14 +34,6 @@ public function getDefaultValueDeclarationSQL(array $column): string
         return parent::getDefaultValueDeclarationSQL($column);
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    public function getJsonTypeDeclarationSQL(array $column): string
-    {
-        return 'JSON';
-    }
-
     /**
      * {@inheritDoc}
      */