mirror of
https://github.com/MariaDB/server.git
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97 lines
3.8 KiB
PHP
97 lines
3.8 KiB
PHP
# Maria helper script.
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# Runs recovery, compare with expected table data.
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# API:
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# 1) set $mms_tname to a string, and $mms_tables to a number N, the script
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# will cover tables mysqltest.$mms_tname1,...$mms_tnameN
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# 2) set $mvr_debug_option to the crash way
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# 3) set $mvr_crash_statement to the statement which will trigger a crash
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# 4) set $mvr_restore_old_snapshot to 1 if you want recovery to run on
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# an old copy of tables and of the control file, 0 for normal recovery.
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# 5) set $mms_compare_physically to 1 if you want a physical byte-for-byte
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# comparison with expected table. Checksum comparison is always done.
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# "mvr" is a namespace for Maria_Verify_Recovery
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connection admin;
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# we may do a copy-back of tables before comparison, so save comparison
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# request made by caller:
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let $mms_compare_physically_save=$mms_compare_physically;
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let $mms_compare_physically=0;
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# warn mtr that mysqld is going to die and should not be restarted immediately
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#append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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#wait-maria_verify_recovery.inc
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#EOF
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# todo: remove this "system" and uncomment above when BUG#32296 is fixed
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system echo wait-maria_verify_recovery.inc >> $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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# flush page cache and log, only log, or nothing, and kill mysqld with
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# abort().
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# When we restore an old snapshot, we could just kill mysqld nicely,
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# but that would implicitely commit all work, which the tester may
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# not want (tester may want to observe rollback happening).
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eval SET SESSION debug=$mvr_debug_option;
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--echo * crashing mysqld intentionally
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--error 2013
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eval $mvr_crash_statement; # this will crash (DBUG magic)
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if ($mvr_restore_old_snapshot)
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{
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# copy snapshot made by maria_make_snapshot_for_feeding_recovery back
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# into datadir.
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let $mms_table_to_use=$mms_tables;
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let $mms_purpose=feeding_recovery;
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let $mms_reverse_copy=1;
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while ($mms_table_to_use)
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{
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-- source include/maria_make_snapshot.inc
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dec $mms_table_to_use;
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}
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let $mms_reverse_copy=0;
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# also copy back control file, to force recovery to start from an early
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# point, ignoring further checkpoints.
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-- error 0,1
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remove_file $MYSQLD_DATADIR/$MARIA_LOG/aria_log_control;
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copy_file $MYSQLTEST_VARDIR/tmp/mms_for_$mms_purpose.aria_log_control $MYSQLD_DATADIR/$MARIA_LOG/aria_log_control;
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}
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--echo * recovery happens
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# let mtr restart mysqld (and thus execute the maria log)
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#append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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#restart-maria_verify_recovery.inc
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#EOF
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system echo restart-maria_verify_recovery.inc >> $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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--source include/wait_until_connected_again.inc
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# Compare that tables of $mms_tables are identical to old.
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# We always compare with CHECKSUM TABLE, and if requested (which makes sense
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# only for testing the REDO phase, as UNDO phase generates new records so new
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# LSNs on pages.) with a physical byte-for-byte comparison.
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let $mms_table_to_use=$mms_tables;
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let $mms_purpose=comparison;
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let $mms_compare_physically=$mms_compare_physically_save;
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while ($mms_table_to_use)
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{
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eval check table $mms_tname$mms_table_to_use extended;
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--echo * testing that checksum after recovery is as expected
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let $new_checksum=`CHECKSUM TABLE $mms_tname$mms_table_to_use`;
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let $old_checksum=`CHECKSUM TABLE mysqltest_for_$mms_purpose.$mms_tname$mms_table_to_use`;
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# the $ text variables above are of the form "db.tablename\tchecksum",
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# as db differs, we use substring().
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--disable_query_log
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eval select if(substring("$new_checksum",instr("$new_checksum",".t1")) = substring("$old_checksum",instr("$old_checksum",".t1")),"ok","failure") as "Checksum-check";
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--enable_query_log
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# this script may compare physically or do nothing
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-- source include/maria_make_snapshot.inc
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dec $mms_table_to_use;
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}
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connection default;
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# the effect of "use" is lost after a restart so we are back into db "test"
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use mysqltest;
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