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75 lines
2.7 KiB
Text
75 lines
2.7 KiB
Text
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# Tests of Maria's recovery of the bitmap pages
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--source include/not_embedded.inc
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# Don't test this under valgrind, memory leaks will occur as we crash
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--source include/not_valgrind.inc
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# Binary must be compiled with debug for crash to occur
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--source include/have_debug.inc
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--source include/have_maria.inc
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--disable_warnings
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drop database if exists mysqltest;
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--enable_warnings
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create database mysqltest;
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# Include scripts can perform SQL. For it to not influence the main test
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# they use a separate connection. This way if they use a DDL it would
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# not autocommit in the main test.
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connect (admin, 127.0.0.1, root,,mysqltest,,);
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--enable_reconnect
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connection default;
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use mysqltest;
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--enable_reconnect
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-- source include/maria_empty_logs.inc
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let $mms_tables=1;
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create table t1 (a varchar(10000)) engine=maria;
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# we want recovery to use the tables as they were at time of crash
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let $mvr_restore_old_snapshot=0;
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# UNDO phase prevents physical comparison, normally,
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# so we'll only use checksums to compare.
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let $mms_compare_physically=0;
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let $mvr_crash_statement= set global maria_checkpoint_interval=1;
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--echo * TEST of over-allocated bitmap not flushed by checkpoint
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let $mvr_debug_option="+d,maria_crash";
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insert into t1 values ("bbbbbbb");
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-- source include/maria_make_snapshot_for_comparison.inc
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# make_snapshot_for_comparison closed the table, which lost its id.
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# So we make a null operation just to give a short id to the table so
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# that checkpoint includes table in checkpoint (otherwise nothing to
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# test).
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insert into t1 values ("bbbbbbb");
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delete from t1 limit 1;
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set session debug="+d,info,enter,exit,maria_over_alloc_bitmap";
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send insert into t1 values ("aaaaaaaaa");
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connection admin;
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# Leave time for INSERT to block after modifying bitmap;
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# in the future we should not use sleep but something like
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# debug_sync_point().
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sleep 5;
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# force a checkpoint, which could, if buggy, flush over-allocated
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# bitmap page; as REDO-UNDO was not written, bitmap and data page
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# would be inconsistent. Correct checkpoint will wait until UNDO is
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# written.
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set global maria_checkpoint_interval=1;
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-- source include/maria_verify_recovery.inc
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--echo * TEST of bitmap flushed without REDO-UNDO in the log (WAL violation)
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# before crashing we'll flush the bitmap page
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let $mvr_debug_option="+d,maria_flush_bitmap,maria_crash";
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-- source include/maria_make_snapshot_for_comparison.inc
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lock tables t1 write;
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insert into t1 values (REPEAT('a', 6000));
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# bitmap of after-INSERT will be on disk, but data pages will not; if
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# log is not flushed the bitmap is inconsistent with the data.
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-- source include/maria_verify_recovery.inc
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drop table t1;
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# clean up everything
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let $mms_purpose=comparison;
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eval drop database mysqltest_for_$mms_purpose;
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drop database mysqltest;
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