presto-main/src/main/java/io/prestosql/metadata/MetadataManager.java/MetadataManager/dropView
class MetadataManager:    @Override
    public void dropView(Session session, QualifiedObjectName viewName)
    {
        CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, viewName.getCatalogName());
        CatalogName catalogName = catalogMetadata.getCatalogName();
        ConnectorMetadata metadata = catalogMetadata.getMetadata();

        metadata.dropView(session.toConnectorSession(catalogName), viewName.asSchemaTableName());
    }