presto-plugin-toolkit/src/main/java/io/prestosql/plugin/base/security/FileBasedAccessControl.java/FileBasedAccessControl/checkCanSelectFromColumns
class FileBasedAccessControl:    @Override
    public void checkCanSelectFromColumns(ConnectorSecurityContext context, SchemaTableName tableName, Set<String> columnNames)
    {
        // TODO: Implement column level permissions
        if (!checkTablePermission(context, tableName, SELECT)) {
            denySelectTable(tableName.toString());
        }
    }