presto-spi/src/main/java/io/prestosql/spi/connector/classloader/ClassLoaderSafeConnectorAccessControl.java/ClassLoaderSafeConnectorAccessControl/checkCanSelectFromColumns
class ClassLoaderSafeConnectorAccessControl:    @Override
    public void checkCanSelectFromColumns(ConnectorSecurityContext context, SchemaTableName tableName, Set<String> columnNames)
    {
        try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
            delegate.checkCanSelectFromColumns(context, tableName, columnNames);
        }
    }