Jibing-Li
4cac07be30
[improvement](statistics)Analyze empty table. #28077
Analyze a table even when it's empty. The result should be like this:
mysql> show column stats nation;
+-------------+-------+------+----------+-----------+---------------+------+------+--------+--------------+---------+-------------+---------------------+
| column_name | count | ndv | num_null | data_size | avg_size_byte | min | max | method | type | trigger | query_times | updated_time |
+-------------+-------+------+----------+-----------+---------------+------+------+--------+--------------+---------+-------------+---------------------+
| n_comment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | N/A | N/A | FULL | FUNDAMENTALS | MANUAL | 0 | 2023-12-06 19:22:09 |
| n_nationkey | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | N/A | N/A | FULL | FUNDAMENTALS | MANUAL | 0 | 2023-12-06 19:22:09 |
| n_regionkey | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | N/A | N/A | FULL | FUNDAMENTALS | MANUAL | 0 | 2023-12-06 19:22:09 |
| n_name | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | N/A | N/A | FULL | FUNDAMENTALS | MANUAL | 0 | 2023-12-06 19:22:09 |
+-------------+-------+------+----------+-----------+---------------+------+------+--------+--------------+---------+----
2023-12-07 10:16:52 +08:00
..
2023-10-08 21:04:10 -05:00
2023-12-07 10:16:52 +08:00