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13e77930e6
The --skip-write-binlog message was confusing that it only had
an effect if the galera was enabled. There are uses beyond galera
so we apply SET SESSION SQL_LOG_BIN=0 as implied by the option
without being conditional on the wsrep status.
We also with --skip-write-binlog actually check the session @@WSREP_ON
variable rather than the global server variable.
Since 10.6, the wsrep_mode could replicate Aria and MyISAM, in which
case no change to innodb and back is needed.
By removing the conditions, we can use LOCK TABLES in a general case
improving the load speed of Aria (MDEV-23326), regardless of the
skip-write-binlog flag. The only case where we don't use LOCK TABLES is
when we are replicating via Innodb, because wsrep_on=1 and wsrep_mode
doesn't contain REPLICATE_ARIA{,MYISAM}. This uses an Innodb transaction
instead. When replicating via InnoDB we change the table engine type
back to what it was originally.
By removing the \d and other syntax that requires parsing by
the mariadb client, we can use the generated SQL more generally, like
in the embedded server.
We also save and restore the SQL_LOG_BIN and WSREP_ON session server
variables so this can be included in the same session as other data
without taking into changes in state.
Remove wsrep.mysql_tzinfo_to_sql_symlink{,_skip} tests as they offered
no additional coverage beyond main.mysql_tzinfo_to_sql_symlink (no
server testing was done).
Add galera.mariadb_tzinfo_to_sql to actually test the replication
of tzinfo data through galera.
The conditional executable comment around /*M!100602 ...
START TRANSACTION .. LOCK TABLES.. */ is so that we can provide tzinfo
files (MDEV-27113, MDBF-389) and in the case that a user uses it on a
pre-10.6 server version it will still work. Both START TRANSACTION and
LOCK TABLES are not supported in prepared statements in MariaDB versions
earlier than 10.6.2.
Reviewed by Brandon Nesterenko
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--log-bin
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