feat: show locks

[zhyass]

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Summary

SHOW LOCKS [IN ACCOUNT] [WHERE expr]

mysql> show locks in account;
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
| table_id | revision | type  | status  | user | node                   | query_id                             | created_on                 | acquired_on                | extra_info |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
|       57 |     4517 | TABLE | HOLDING | root | xzi6pRbLUYasuA9QFB36m6 | d7989971-d5ec-4764-8e37-afe38ebc13e2 | 2023-12-13 09:56:47.295684 | 2023-12-13 09:56:47.310805 |            |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
1 row in set (0.02 sec)
Read 2 rows, 360.00 B in 0.013 sec., 153.14 rows/sec., 26.92 KiB/sec.

mysql> show locks;
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
| table_id | revision | type  | status  | user | node                   | query_id                             | created_on                 | acquired_on                | extra_info |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
|       57 |     4517 | TABLE | HOLDING | root | xzi6pRbLUYasuA9QFB36m6 | d7989971-d5ec-4764-8e37-afe38ebc13e2 | 2023-12-13 09:56:47.295684 | 2023-12-13 09:56:47.310805 |            |
|       57 |     4521 | TABLE | WAITING | zzq  | xzi6pRbLUYasuA9QFB36m6 | 4bc78044-d4fc-4fe1-a5c5-ff6ab1e3e372 | 2023-12-13 09:56:48.419774 | NULL                       |            |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
2 rows in set (0.02 sec)
Read 2 rows, 360.00 B in 0.012 sec., 166.76 rows/sec., 29.31 KiB/sec.

mysql> show locks where status = 'HOLDING';
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
| table_id | revision | type  | status  | user | node                   | query_id                             | created_on                 | acquired_on                | extra_info |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
|       57 |     4517 | TABLE | HOLDING | root | xzi6pRbLUYasuA9QFB36m6 | d7989971-d5ec-4764-8e37-afe38ebc13e2 | 2023-12-13 09:56:47.295684 | 2023-12-13 09:56:47.310805 |            |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
1 row in set (0.02 sec)
Read 2 rows, 360.00 B in 0.014 sec., 142.77 rows/sec., 25.10 KiB/sec.

mysql> select * from system.locks;
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
| table_id | revision | type  | status  | user | node                   | query_id                             | created_on                 | acquired_on                | extra_info |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
|       57 |     4517 | TABLE | HOLDING | root | xzi6pRbLUYasuA9QFB36m6 | d7989971-d5ec-4764-8e37-afe38ebc13e2 | 2023-12-13 09:56:47.295684 | 2023-12-13 09:56:47.310805 |            |
|       57 |     4521 | TABLE | WAITING | zzq  | xzi6pRbLUYasuA9QFB36m6 | 4bc78044-d4fc-4fe1-a5c5-ff6ab1e3e372 | 2023-12-13 09:56:48.419774 | NULL                       |            |
+----------+----------+-------+---------+------+------------------------+--------------------------------------+----------------------------+----------------------------+------------+
2 rows in set (0.02 sec)
Read 2 rows, 360.00 B in 0.010 sec., 199.56 rows/sec., 35.08 KiB/sec.

• Closes #issue

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Explain why

---

This change is 

[BohuTANG]

Also need sql logic tests for this feature, it will be useful as the unit test.

[drmingdrmer]

Reviewed 3 of 15 files at r1, 1 of 20 files at r2.
Reviewable status: 4 of 35 files reviewed, 1 unresolved discussion (waiting on @BohuTANG, @dantengsky, and @zhyass)

---

src/meta/api/src/schema_api_impl.rs line 3485 at r3 (raw file):

        let mut reply = vec![];
        for prefix in &req.prefixes {
            let list = self.prefix_list_kv(prefix).await?;

Use list_kv() instead of prefix_list_kv() if possible.

list_kv() returns a Stream and won't be affected by the max gPRC message size.

[drmingdrmer]

Reviewed 2 of 3 files at r4, all commit messages.
Reviewable status: 6 of 37 files reviewed, 1 unresolved discussion (waiting on @BohuTANG, @dantengsky, and @zhyass)

[BohuTANG]

cc @soyeric128 for documenting this new feature.