public function up(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "postgresql");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER dimensionvalues TYPE jsonb USING dimensionvalues::jsonb");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER dimensionvalues DROP DEFAULT");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER accessroles TYPE jsonb USING accessroles::jsonb");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER accessroles DROP DEFAULT");
}