Details
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Bug
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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10.1.43, 10.4.13
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debian
Description
We have a host running 10.1.43 with around 4k roles.
We did a full logical copy (using mydumper and myloader) to migrate all the data to a 10.4.13 host.
The import gave no errors, but all of a sudden we saw that the existing users with their assigned roles were not able to perform actions, they were getting permission denied.
{root@labsdb1011.eqiad.wmnet[(none)]> show grants for 'u15343'@'%';
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+------------------------------------------------------------------------------------------------------------------------------------+
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| Grants for u15343@% |
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+------------------------------------------------------------------------------------------------------------------------------------+
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| GRANT labsdbuser TO 'u15343'@'%' |
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| GRANT USAGE ON *.* TO 'u15343'@'%' IDENTIFIED BY PASSWORD '*xx' WITH MAX_USER_CONNECTIONS 10 |
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+------------------------------------------------------------------------------------------------------------------------------------+
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2 rows in set (0.00 sec)
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root@labsdb1011.eqiad.wmnet[(none)]> show grants for labsdbuser;
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+--------------------------------------------------------------------------+
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| Grants for labsdbuser |
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+--------------------------------------------------------------------------+
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| GRANT USAGE ON *.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `sahwiki\_p`.* TO 'labsdbuser' |
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...
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root@labsdb1011.eqiad.wmnet[(none)]> show grants for labsdbuser;
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| GRANT SELECT, SHOW VIEW ON `enwiki\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `enwikiquote\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `tenwiki\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `enwikivoyage\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `enwikiversity\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `enwikisource\_p`.* TO 'labsdbuser' |
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| GRANT SELECT, SHOW VIEW ON `enwikinews\_p`.* TO 'labsdbuser' |
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etc
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Looks like the default_role is lost somehow on the migrations?
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mysql:u15343@localhost [(none)]> SELECT CURRENT_ROLE;
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+--------------+
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| CURRENT_ROLE |
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+--------------+
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| NULL |
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+--------------+
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1 row in set (0.000 sec)
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mysql:u15343@localhost [(none)]> SET ROLE labsdbuser;
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Query OK, 0 rows affected (0.000 sec)
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mysql:u15343@localhost [(none)]> use enwiki_p
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Reading table information for completion of table and column names
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You can turn off this feature to get a quicker startup with -A
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Database changed
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mysql:u15343@localhost [enwiki_p]>
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mysql:root@localhost [(none)]> grant labsdbuser to u15343;
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Query OK, 0 rows affected (0.000 sec)
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mysql:root@localhost [(none)]> set default role labsdbuser for u15343;
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Query OK, 0 rows affected (0.001 sec)
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mysql:root@localhost [(none)]> Ctrl-C -- exit!
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Aborted
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root@labsdb1011:~# mysql --skip-ssl -uu15343 -p
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Enter password:
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Welcome to the MariaDB monitor. Commands end with ; or \g.
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Your MariaDB connection id is 17259
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Server version: 10.4.12-MariaDB MariaDB Server
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Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
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mysql:u15343@localhost [(none)]> SELECT CURRENT_ROLE;
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+--------------+
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| CURRENT_ROLE |
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+--------------+
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| labsdbuser |
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+--------------+
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1 row in set (0.000 sec)
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mysql:u15343@localhost [(none)]> use enwiki_p
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Reading table information for completion of table and column names
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You can turn off this feature to get a quicker startup with -A
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Database changed
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mysql:u15343@localhost [enwiki_p]>
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Doing a quick test over two hosts where we imported this into:
labsdb1009 -> 10.1
labsdb1011 -> 10.4
db1141 -> 10.4
mysql -e "select count(*) from user where default_role != ''";done
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*** labsdb1009 ***
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+----------+
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| count(*) |
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+----------+
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| 4025 |
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+----------+
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*** labsdb1011 ***
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+----------+
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| count(*) |
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+----------+
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| 34 |
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+----------+
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*** db1141 ***
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+----------+
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| count(*) |
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+----------+
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| 28 |
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+----------+
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Trying to isolate this a bit more
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root@db1077:~/mysql_dump# zcat mysql.user.sql.gz | grep -i u15343
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("%","u15343","*x","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","N","","","","",0,0,0,10,"","","N","N","labsdbuser",0.000000),
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mysql database imported from labsdb1009:
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root@db1077:~/mysql_dump# myloader -o -B mysql -d .
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root@db1077:~/mysql_dump# mysql mysql -e "select * from user where user like 'u15343'"
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+------+--------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+------------------+---------+--------------+--------------------+
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| Host | User | Password | Select_priv | Insert_priv | Update_priv | Delete_priv | Create_priv | Drop_priv | Reload_priv | Shutdown_priv | Process_priv | File_priv | Grant_priv | References_priv | Index_priv | Alter_priv | Show_db_priv | Super_priv | Create_tmp_table_priv | Lock_tables_priv | Execute_priv | Repl_slave_priv | Repl_client_priv | Create_view_priv | Show_view_priv | Create_routine_priv | Alter_routine_priv | Create_user_priv | Event_priv | Trigger_priv | Create_tablespace_priv | ssl_type | ssl_cipher | x509_issuer | x509_subject | max_questions | max_updates | max_connections | max_user_connections | plugin | authentication_string | password_expired | is_role | default_role | max_statement_time |
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+------+--------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+------------------+---------+--------------+--------------------+
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| % | u15343 | *x | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 10 | | | N | N | labsdbuser | 0.000000 |
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+------+--------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+------------------+---------+--------------+--------------------+
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root@db1077:~/mysql_dump# mysql_upgrade --force
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Phase 1/7: Checking and upgrading mysql database
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Processing databases
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mysql
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mysql.column_stats OK
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mysql.columns_priv OK
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mysql.db OK
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mysql.event OK
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mysql.func OK
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mysql.global_priv OK
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mysql.gtid_slave_pos OK
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mysql.help_category OK
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mysql.help_keyword OK
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mysql.help_relation OK
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mysql.help_topic OK
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mysql.host OK
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mysql.index_stats OK
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mysql.innodb_index_stats OK
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mysql.innodb_table_stats OK
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mysql.ndb_binlog_index OK
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mysql.plugin OK
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mysql.proc OK
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mysql.procs_priv OK
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mysql.proxies_priv OK
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mysql.roles_mapping OK
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mysql.servers OK
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mysql.table_stats OK
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mysql.tables_priv OK
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mysql.time_zone OK
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mysql.time_zone_leap_second OK
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mysql.time_zone_name OK
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mysql.time_zone_transition OK
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mysql.time_zone_transition_type OK
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mysql.transaction_registry OK
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mysql.user OK
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Phase 2/7: Installing used storage engines... Skipped
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Phase 3/7: Fixing views
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racktables.Location
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Error : The user specified as a definer ('racktables'@'%') does not exist
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error : Corrupt
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racktables.Rack
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Error : The user specified as a definer ('racktables'@'%') does not exist
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error : Corrupt
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racktables.RackObject
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Error : The user specified as a definer ('racktables'@'%') does not exist
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error : Corrupt
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racktables.Row
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Error : The user specified as a definer ('racktables'@'%') does not exist
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error : Corrupt
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sys.host_summary
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.host_summary_by_file_io
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.host_summary_by_file_io_type
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.host_summary_by_stages
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.host_summary_by_statement_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.host_summary_by_statement_type
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.innodb_buffer_stats_by_schema
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.innodb_buffer_stats_by_table
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.innodb_lock_waits
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.io_by_thread_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.io_global_by_file_by_bytes
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.io_global_by_file_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.io_global_by_wait_by_bytes
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.io_global_by_wait_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.latest_file_io
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.metrics OK
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sys.processlist
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.ps_check_lost_instrumentation OK
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sys.schema_auto_increment_columns OK
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sys.schema_index_statistics
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.schema_object_overview OK
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sys.schema_redundant_indexes OK
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sys.schema_table_statistics
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.schema_table_statistics_with_buffer
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.schema_tables_with_full_table_scans
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.schema_unused_indexes OK
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sys.session
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statement_analysis
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statements_with_errors_or_warnings
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statements_with_full_table_scans
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statements_with_runtimes_in_95th_percentile
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statements_with_sorting
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.statements_with_temp_tables
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary_by_file_io
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary_by_file_io_type
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary_by_stages
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary_by_statement_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.user_summary_by_statement_type
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.version OK
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sys.wait_classes_global_by_avg_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.wait_classes_global_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.waits_by_host_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.waits_by_user_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.waits_global_by_latency
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.x$host_summary OK
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sys.x$host_summary_by_file_io OK
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sys.x$host_summary_by_file_io_type OK
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sys.x$host_summary_by_stages OK
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sys.x$host_summary_by_statement_latency OK
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sys.x$host_summary_by_statement_type OK
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sys.x$innodb_buffer_stats_by_schema OK
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sys.x$innodb_buffer_stats_by_table OK
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sys.x$innodb_lock_waits OK
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sys.x$io_by_thread_by_latency OK
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sys.x$io_global_by_file_by_bytes OK
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sys.x$io_global_by_file_by_latency OK
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sys.x$io_global_by_wait_by_bytes OK
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sys.x$io_global_by_wait_by_latency OK
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sys.x$latest_file_io OK
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sys.x$processlist OK
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sys.x$ps_digest_95th_percentile_by_avg_us OK
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sys.x$ps_digest_avg_latency_distribution OK
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sys.x$ps_schema_table_statistics_io
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.x$schema_flattened_keys OK
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sys.x$schema_index_statistics OK
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sys.x$schema_table_statistics
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.x$schema_table_statistics_with_buffer
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Error : Column count of mysql.proc is wrong. Expected 21, found 20. The table is probably corrupted
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error : Corrupt
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sys.x$schema_tables_with_full_table_scans OK
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sys.x$session OK
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sys.x$statement_analysis OK
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sys.x$statements_with_errors_or_warnings OK
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sys.x$statements_with_full_table_scans OK
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sys.x$statements_with_runtimes_in_95th_percentile OK
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sys.x$statements_with_sorting OK
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sys.x$statements_with_temp_tables OK
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sys.x$user_summary OK
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sys.x$user_summary_by_file_io OK
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sys.x$user_summary_by_file_io_type OK
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sys.x$user_summary_by_stages OK
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sys.x$user_summary_by_statement_latency OK
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sys.x$user_summary_by_statement_type OK
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sys.x$wait_classes_global_by_avg_latency OK
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sys.x$wait_classes_global_by_latency OK
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sys.x$waits_by_host_by_latency OK
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sys.x$waits_by_user_by_latency OK
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sys.x$waits_global_by_latency OK
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Phase 4/7: Running 'mysql_fix_privilege_tables'
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Phase 5/7: Fixing table and database names
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Phase 6/7: Checking and upgrading tables
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Processing databases
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<removed - no errors>
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Phase 7/7: Running 'FLUSH PRIVILEGES'
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OK
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root@db1077:~/mysql_dump# mysql mysql -e "select * from user where user like 'u15343'"
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root@db1077:~/mysql_dump#
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Looks like the default role gets lost after mysql_upgrade runs?
mysql:root@localhost [mysql]> select * from roles_mapping where User='u15343';
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+------+--------+------------+--------------+
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| Host | User | Role | Admin_option |
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+------+--------+------------+--------------+
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| % | u15343 | labsdbuser | N |
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+------+--------+------------+--------------+
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1 row in set (0.003 sec)
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mysql:root@localhost [mysql]> select default_role from user where user like 'u15343';
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Empty set (0.002 sec)
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The work around for this seems to be:
set default role labsdbuser for $user;
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Attachments
Issue Links
- relates to
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MDEV-23630 mysqldump to logically dump system tables
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- Closed
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