Cursor OPEN statements do not write to the slow log

CREATE OR REPLACE TABLE t1 (a INT);

CREATE OR REPLACE TABLE t2 (a INT);

DELIMITER $$

CREATE OR REPLACE PROCEDURE p1() 

BEGIN

  DECLARE c CURSOR FOR SELECT COUNT(a), SLEEP(0.05) FROM t2;

  OPEN c;

  CLOSE c;

  SELECT COUNT(a), SLEEP(0.05) FROM t1;

END;

$$

DELIMITER ;

SET GLOBAL slow_query_log=ON;

SET SESSION authorization root@localhost;

SET SESSION log_slow_verbosity='explain';

SET log_slow_disabled_statements=admin;

SET long_query_time=0.01;

USE test;

CALL p1();

# User@Host: root[root] @ localhost []

# Thread_id: 3  Schema: test  QC_hit: No

# Query_time: 0.100438  Lock_time: 0.050300  Rows_sent: 1  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 105

# Stored_routine: test.p1

SET timestamp=1768974530;

SELECT COUNT(a), SLEEP(0.05) FROM t1;

# User@Host: root[root] @ localhost []

# Thread_id: 3  Schema: test  QC_hit: No

# Query_time: 0.100488  Lock_time: 0.000012  Rows_sent: 1  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 116

SET timestamp=1768974530;

CALL p1();