mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 02:46:29 +01:00
90 lines
2.7 KiB
Text
90 lines
2.7 KiB
Text
set global aria_log_file_size=4294959104;
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drop database if exists mysqltest;
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create database mysqltest;
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connect admin, localhost, root,,mysqltest,,;
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connection default;
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use mysqltest;
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* TEST of recovery with blobs
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connection default;
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connection admin;
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* shut down mysqld, removed logs, restarted it
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connection default;
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create table t1 (a int, b longtext) engine=aria table_checksum=1;
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connection admin;
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* copied t1 for feeding_recovery
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connection default;
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insert into t1 values (1,"123456789012345678901234567890"),(2,"09876543210987654321");
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connection admin;
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flush table t1;
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* copied t1 for comparison
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connection default;
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lock table t1 write;
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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update t1 set b=CONCAT(b,b);
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select a,length(b) from t1;
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a length(b)
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1 31457280
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2 20971520
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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update t1 set b=mid(b,1,length(b)/2);
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select a,length(b) from t1;
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a length(b)
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1 8
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2 5
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connection admin;
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SET SESSION debug_dbug="+d,maria_flush_whole_log,maria_crash";
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* crashing mysqld intentionally
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set global aria_checkpoint_interval=1;
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ERROR HY000: Lost connection to server during query
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* copied t1 back for feeding_recovery
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* recovery happens
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check table t1 extended;
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Table Op Msg_type Msg_text
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mysqltest.t1 check status OK
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* testing that checksum after recovery is as expected
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Checksum-check
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ok
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connection default;
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use mysqltest;
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drop table t1;
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drop database mysqltest_for_feeding_recovery;
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drop database mysqltest_for_comparison;
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drop database mysqltest;
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