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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
commit06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/suite/compat/oracle/t/sp-package-mdl.test
parentInitial commit. (diff)
downloadmariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz
mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/suite/compat/oracle/t/sp-package-mdl.test')
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+--source include/have_metadata_lock_info.inc
+
+#
+# This test demonstrates that:
+# - A call to a package routine acquires a shared MDL lock on the entire package
+# - "DROP PACKAGE" waits until the currently running package routines end
+#
+
+SET sql_mode=ORACLE;
+DO GET_LOCK('lock',300);
+
+
+#
+# conn1 will execute package pkg1 routines and
+# and therefore acquire a shared MDL on "package body pkg1"
+#
+
+connect (conn1,localhost,root,,);
+SET sql_mode=ORACLE;
+let $conn1_id= `SELECT CONNECTION_ID()`;
+DELIMITER $$;
+CREATE PACKAGE pkg1 AS
+ PROCEDURE p1;
+ FUNCTION f1 RETURN INT;
+END;
+$$
+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;
+$$
+DELIMITER ;$$
+send SELECT pkg1.f1();
+
+#
+# wait for conn1 to actually start execution of pkg1.p1
+#
+
+connection default;
+let $wait_timeout= 60;
+let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
+WHERE ID=$conn1_id AND INFO LIKE '%GET_LOCK%' AND STATE='User lock';
+--source include/wait_condition.inc
+
+
+#
+# conn2 will do "DROP PACKAGE pkg1".
+# It will acquire an exclusive MDL on "package body pkg1", and therefore
+# it should wait until conn1 ends the package routine execution
+#
+
+connect (conn2,localhost,root,,);
+let $conn2_id= `SELECT CONNECTION_ID()`;
+SET sql_mode=ORACLE;
+send DROP PACKAGE pkg1;
+
+#
+# wait for conn2 to actually enter the "DROP" statement and get locked by conn1
+#
+connection default;
+let $wait_timeout= 60;
+let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
+WHERE ID=$conn2_id
+ AND INFO LIKE '%DROP PACKAGE%'
+ AND STATE='Waiting for stored package body metadata lock';
+--source include/wait_condition.inc
+
+#
+# Now we have three threads involved.
+# The following I_S query will check that the threads are in these states:
+#
+# default (0) - is holding a user lock 'lock'
+# conn1 (1) - is executing the package procedure test.pkg1.p1,
+# is holding a shared MDL on 'package body pkg1',
+# is waiting for the user lock 'lock' to be released
+# conn2 (2) - is waiting for 'conn1' to end execution of test.pkg1.* routines,
+# to acquire an exclusive MDL on 'package body pkg1',
+# to DROP the package pkg1
+#
+--vertical_results
+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;
+--horizontal_results
+
+#
+# Now let conn1 finish the package routine execution
+#
+DO RELEASE_LOCK('lock');
+connection conn1;
+reap;
+disconnect conn1;
+
+#
+# Now conn2 should actually DROP the package
+#
+connection conn2;
+reap;
+disconnect conn2;
+
+connection default;