executor: fix logging format of prepared statements (#16062)

[nayuta-yanagisawa]

What problem does this PR solve?

Issue Number: close #16062

Problem Summary: With a slow prepared statement, the slow query log records it in the form of exec ... rather than the underlying SQL with placeholders.

What is changed and how it works?

What's Changed: Records original queries of prepared statements.

How it Works:

On master branch (53a68b5)

mysql> PREPARE mystmt FROM 'SELECT SLEEP(?)';
Query OK, 0 rows affected (0.00 sec)

mysql> SET @num = 1;
Query OK, 0 rows affected (0.00 sec)

mysql> EXECUTE mystmt USING @num;
+----------+
| SLEEP(?) |
+----------+
|        0 |
+----------+
1 row in set (1.00 sec)

mysql> SELECT Query FROM information_schema.SLOW_QUERY LIMIT 1;
+-------------------------------------------+
| Query                                     |
+-------------------------------------------+
| EXECUTE mystmt USING @num [arguments: 1]; |
+-------------------------------------------+
1 row in set (0.00 sec)

On PR branch

mysql> PREPARE mystmt FROM 'SELECT SLEEP(?)';
Query OK, 0 rows affected (0.00 sec)

mysql> SET @num = 1;
Query OK, 0 rows affected (0.00 sec)

mysql> EXECUTE mystmt USING @num;
+----------+
| SLEEP(?) |
+----------+
|        0 |
+----------+
1 row in set (1.00 sec)

mysql> SELECT Query FROM information_schema.SLOW_QUERY LIMIT 1;
+---------------------------------+
| Query                           |
+---------------------------------+
| SELECT SLEEP(?) [arguments: 1]; |
+---------------------------------+
1 row in set (0.00 sec)

Related changes

N/A

Check List

Tests

• Integration test

Side effects

• Breaking backward compatibility

Release note

• Slow query log records original queries with placeholders for prepared statements.

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[nayuta-yanagisawa]

/run-all-test

[nayuta-yanagisawa]

All tests now pass. Could you take a look at the present pull request? @qw4990

[xhebox]

I am afraid of that the new code broke the original semantic, which is introduced in #18578 by @crazycs520 , PTAL at this PR.

[qw4990]

Please resolve conflicts at your convenience @nayuta-yanagisawa

[nayuta-yanagisawa]

The CI fails continuously. I think that this is possibly fixed by #23967.

[Rustin170506]

/run-unit-test

[Rustin170506]

/run-unit-test

[Rustin170506]

/run-unit-test

[Rustin170506]

/run-check_dev_2

[Rustin170506]

/run-unit-test

[Rustin170506]

/run-integration-copr-test

/run-sqllogic-test-2