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cakephp3 の Migration で mediumblob を認識させる

Posted at

ちょっと、はまったので防備録

        $table->addColumn('file_data', 'blob', [
            'default' => null,
            'limit' => 16777215,
            'null' => true,
        ]);

limit にサイズを指定するのがポイント
サイズは vendor\robmorgan\phinx\src\Phinx\Db\Adapter\MysqlAdapter.php にある以下の部分

    const BLOB_TINY    = 255;
    const BLOB_SMALL   = 255; /* deprecated, alias of BLOB_TINY */
    const BLOB_REGULAR = 65535;
    const BLOB_MEDIUM  = 16777215;
    const BLOB_LONG    = 4294967295;
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