ftable = FMetaReader.getTable(server.getConfiguration(), tableNameStr);
if (ftable.isRootTable()) {
List<FTable> childTables = FMetaReader.getChildTable(
server.getConfiguration(), tableNameStr);
if (childTables != null && childTables.size() > 0) {
throw new ChildrenExistException(tableNameStr + " has child");
}
}
if (tableLockManager.lockTable(tableNameStr)) {
LOG.info("lock table '" + tableNameStr + "' by DeleteTableHandler");
} else {