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SET sql_mode=ORACLE;
DO GET_LOCK('lock',300);
connect conn1,localhost,root,,;
SET sql_mode=ORACLE;
CREATE PACKAGE pkg1 AS
PROCEDURE p1;
FUNCTION f1 RETURN INT;
END;
$$
CREATE PACKAGE BODY pkg1 AS
PROCEDURE p1 AS
BEGIN
DO GET_LOCK('lock',300);
END;
FUNCTION f1 RETURN INT AS
BEGIN
CALL p1;
RETURN 1;
END;
END;
$$
SELECT pkg1.f1();
connection default;
connect conn2,localhost,root,,;
SET sql_mode=ORACLE;
DROP PACKAGE pkg1;
connection default;
SELECT ID-CONNECTION_ID() AS CONN,INFO,STATE,LOCK_MODE,LOCK_TYPE,TABLE_NAME
FROM INFORMATION_SCHEMA.PROCESSLIST
LEFT JOIN INFORMATION_SCHEMA.METADATA_LOCK_INFO
ON (ID=THREAD_ID)
ORDER BY ID,TABLE_NAME,LOCK_MODE,LOCK_TYPE;
CONN 0
INFO SELECT ID-CONNECTION_ID() AS CONN,INFO,STATE,LOCK_MODE,LOCK_TYPE,TABLE_NAME
FROM INFORMATION_SCHEMA.PROCESSLIST
LEFT JOIN INFORMATION_SCHEMA.METADATA_LOCK_INFO
ON (ID=THREAD_ID)
ORDER BY ID,TABLE_NAME,LOCK_MODE,LOCK_TYPE
STATE Filling schema table
LOCK_MODE MDL_SHARED_NO_WRITE
LOCK_TYPE User lock
TABLE_NAME
CONN 1
INFO DO GET_LOCK('lock',300)
STATE User lock
LOCK_MODE MDL_SHARED
LOCK_TYPE Stored package body metadata lock
TABLE_NAME pkg1
CONN 1
INFO DO GET_LOCK('lock',300)
STATE User lock
LOCK_MODE MDL_SHARED
LOCK_TYPE Stored function metadata lock
TABLE_NAME pkg1.f1
CONN 1
INFO DO GET_LOCK('lock',300)
STATE User lock
LOCK_MODE MDL_SHARED
LOCK_TYPE Stored procedure metadata lock
TABLE_NAME pkg1.p1
CONN 2
INFO DROP PACKAGE pkg1
STATE Waiting for stored package body metadata lock
LOCK_MODE MDL_INTENTION_EXCLUSIVE
LOCK_TYPE Global read lock
TABLE_NAME
CONN 2
INFO DROP PACKAGE pkg1
STATE Waiting for stored package body metadata lock
LOCK_MODE MDL_INTENTION_EXCLUSIVE
LOCK_TYPE Schema metadata lock
TABLE_NAME
DO RELEASE_LOCK('lock');
connection conn1;
pkg1.f1()
1
disconnect conn1;
connection conn2;
disconnect conn2;
connection default;
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