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[MDEV-30854] Do not use " as string delimiter in mariadb-tzinfo-to-sql
If SQL_MODE contains ANSI_QUOTES (https://mariadb.com/kb/en/sql-mode/), then
the double-quote character (") is not a legal string delimiter.
In 13e77930e6 (diff-a333d4ebb2d73b6361ef7dfebc86d883f7e19853b4a9eb85984b039058fae47cR2431-R2435),
Daniel Black introduced a case where the double-quote character would be used as
a string delimiter in the SQL queries generated by mariadb-tzinfo-to-sql.
This tool tool generates SQL queries which should be able to run on any
MariaDB server of the matching version. Therefore, it should be extremely
conservative in the SQL that it outputs, in order to maximize the chance
that it can run regardless of the build or execution environment of the
server.
See MDEV-18778, MDEV-28263, and MDEV-28782 for previous cases where MariaDB
has FAILED TO ENSURE that the generated timezone.sql actually works in
different build and execution environments. More test coverage is clearly
needed here.
All new code of the whole pull request, including one or several files that are
either new files or modified ones, are contributed under the BSD-new license. I
am contributing on behalf of my employer Amazon Web Services, Inc.
This commit is contained in:
Daniel Lenski
committed by
Daniel Black
Daniel Black
parent
8f87023d3f
commit
1995c626a5
@ -10,13 +10,13 @@ CREATE TABLE time_zone_leap_second LIKE mysql.time_zone_leap_second;
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set @wsrep_is_on=(select coalesce(sum(SESSION_VALUE='ON'), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_on');
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SET STATEMENT SQL_MODE='' FOR SELECT concat('%', GROUP_CONCAT(OPTION), '%') INTO @replicate_opt FROM (SELECT DISTINCT concat('REPLICATE_', UPPER(ENGINE)) AS OPTION FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('time_zone', 'time_zone_name', 'time_zone_transition', 'time_zone_transition_type', 'time_zone_leap_second') AND ENGINE in ('MyISAM', 'Aria')) AS o ORDER BY OPTION DESC;
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set @wsrep_cannot_replicate_tz=@wsrep_is_on AND (select coalesce(sum(GLOBAL_VALUE NOT LIKE @replicate_opt), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_mode');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_name'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_name''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_name ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition_type'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
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TRUNCATE TABLE time_zone;
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TRUNCATE TABLE time_zone_name;
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@ -59,13 +59,13 @@ execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_t
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set @wsrep_is_on=(select coalesce(sum(SESSION_VALUE='ON'), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_on');
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SET STATEMENT SQL_MODE='' FOR SELECT concat('%', GROUP_CONCAT(OPTION), '%') INTO @replicate_opt FROM (SELECT DISTINCT concat('REPLICATE_', UPPER(ENGINE)) AS OPTION FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('time_zone', 'time_zone_name', 'time_zone_transition', 'time_zone_transition_type', 'time_zone_leap_second') AND ENGINE in ('MyISAM', 'Aria')) AS o ORDER BY OPTION DESC;
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set @wsrep_cannot_replicate_tz=@wsrep_is_on AND (select coalesce(sum(GLOBAL_VALUE NOT LIKE @replicate_opt), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_mode');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_name'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_name''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_name ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition_type'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
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TRUNCATE TABLE time_zone;
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TRUNCATE TABLE time_zone_name;
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@ -191,13 +191,13 @@ TRUNCATE TABLE time_zone_leap_second;
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set @wsrep_is_on=(select coalesce(sum(SESSION_VALUE='ON'), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_on');
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SET STATEMENT SQL_MODE='' FOR SELECT concat('%', GROUP_CONCAT(OPTION), '%') INTO @replicate_opt FROM (SELECT DISTINCT concat('REPLICATE_', UPPER(ENGINE)) AS OPTION FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('time_zone', 'time_zone_name', 'time_zone_transition', 'time_zone_transition_type', 'time_zone_leap_second') AND ENGINE in ('MyISAM', 'Aria')) AS o ORDER BY OPTION DESC;
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set @wsrep_cannot_replicate_tz=@wsrep_is_on AND (select coalesce(sum(GLOBAL_VALUE NOT LIKE @replicate_opt), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_mode');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_name'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_name''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_name ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition_type'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
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/*M!100602 execute immediate if(@wsrep_cannot_replicate_tz, 'start transaction', 'LOCK TABLES time_zone WRITE,
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time_zone_leap_second WRITE,
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@ -313,20 +313,20 @@ TRUNCATE TABLE time_zone_leap_second;
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set @wsrep_is_on=(select coalesce(sum(SESSION_VALUE='ON'), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_on');
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SET STATEMENT SQL_MODE='' FOR SELECT concat('%', GROUP_CONCAT(OPTION), '%') INTO @replicate_opt FROM (SELECT DISTINCT concat('REPLICATE_', UPPER(ENGINE)) AS OPTION FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('time_zone', 'time_zone_name', 'time_zone_transition', 'time_zone_transition_type', 'time_zone_leap_second') AND ENGINE in ('MyISAM', 'Aria')) AS o ORDER BY OPTION DESC;
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set @wsrep_cannot_replicate_tz=@wsrep_is_on AND (select coalesce(sum(GLOBAL_VALUE NOT LIKE @replicate_opt), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_mode');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_name'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_name''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_name ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition_type'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
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/*M!100602 execute immediate if(@wsrep_cannot_replicate_tz, 'start transaction', 'LOCK TABLES time_zone WRITE,
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time_zone_leap_second WRITE,
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time_zone_name WRITE,
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time_zone_transition WRITE,
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time_zone_transition_type WRITE')*/;
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_leap_second_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_leap_second'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_leap_second_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_leap_second''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_leap_second ENGINE=InnoDB', 'do 0');
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TRUNCATE TABLE time_zone_leap_second;
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execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_leap_second ENGINE=', @time_zone_leap_second_engine), 'do 0');
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@ -497,13 +497,13 @@ set sql_mode=default;
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set @wsrep_is_on=(select coalesce(sum(SESSION_VALUE='ON'), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_on');
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SET STATEMENT SQL_MODE='' FOR SELECT concat('%', GROUP_CONCAT(OPTION), '%') INTO @replicate_opt FROM (SELECT DISTINCT concat('REPLICATE_', UPPER(ENGINE)) AS OPTION FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME IN ('time_zone', 'time_zone_name', 'time_zone_transition', 'time_zone_transition_type', 'time_zone_leap_second') AND ENGINE in ('MyISAM', 'Aria')) AS o ORDER BY OPTION DESC;
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set @wsrep_cannot_replicate_tz=@wsrep_is_on AND (select coalesce(sum(GLOBAL_VALUE NOT LIKE @replicate_opt), 0) from information_schema.SYSTEM_VARIABLES WHERE VARIABLE_NAME='wsrep_mode');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_name'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_name_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_name''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_name ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, "select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME='time_zone_transition_type'", 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
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execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
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TRUNCATE TABLE time_zone;
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TRUNCATE TABLE time_zone_name;
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