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591edccc93
trx_sys_print_mysql_binlog_offset(): Use 64-bit arithmetics and ib::info(). TRX_SYS_MYSQL_LOG_OFFSET: Replaces TRX_SYS_MYSQL_LOG_OFFSET_HIGH, TRX_SYS_MYSQL_LOG_OFFSET_LOW. trx_sys_update_mysql_binlog_offset(): Remove the constant parameter field=TRX_SYS_MYSQL_LOG_INFO. Use 64-bit arithmetics.
106 lines
3.6 KiB
Plaintext
106 lines
3.6 KiB
Plaintext
--source include/have_innodb.inc
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--source include/have_debug_sync.inc
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--source include/have_log_bin.inc
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--source include/have_binlog_format_mixed_or_statement.inc
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--source include/binlog_start_pos.inc
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# Need DBUG to crash the server intentionally
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--source include/have_debug.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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# The test case currently uses sed and tail, which may be unavailable on
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# some windows systems. But see MWL#191 for how to remove the need for grep.
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--source include/not_windows.inc
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# XtraDB stores the binlog position corresponding to the last commit, and
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# prints it during crash recovery.
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# Test that we get the correct position when we group commit several
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# transactions together.
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# What we really want to test here is what happens when a group of
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# transactions get written only partially to disk inside InnoDB before
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# the crash. But that is hard to test in mysql-test-run automated
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# tests. Instead, we use debug_sync to tightly control when each
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# transaction is written to the redo log. And we set
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# innodb_flush_log_at_trx_commit=3 so that we can write out
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# transactions individually - as with
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# innodb_flush_log_at_trx_commit=1, all commits are written together,
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# as part of a commit_checkpoint.
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# (Note that we do not have to restore innodb_flush_log_at_trx_commit, as
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# we crash the server).
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SET GLOBAL innodb_flush_log_at_trx_commit=3;
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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb;
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INSERT INTO t1 VALUES (0);
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connect(con1,localhost,root,,);
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connect(con2,localhost,root,,);
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connect(con3,localhost,root,,);
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# Queue up three commits for group commit.
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connection con1;
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SET DEBUG_SYNC= "commit_after_get_LOCK_log SIGNAL con1_waiting WAIT_FOR con3_queued";
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SET DEBUG_SYNC= "commit_loop_entry_commit_ordered SIGNAL con1_loop WAIT_FOR con1_loop_cont EXECUTE 3";
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send INSERT INTO t1 VALUES (1);
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connection con2;
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SET DEBUG_SYNC= "now WAIT_FOR con1_waiting";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL con2_queued";
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send INSERT INTO t1 VALUES (2);
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connection con3;
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SET DEBUG_SYNC= "now WAIT_FOR con2_queued";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL con3_queued";
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send INSERT INTO t1 VALUES (3);
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connection default;
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SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
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# At this point, no transactions are committed.
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SET DEBUG_SYNC= "now SIGNAL con1_loop_cont";
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SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
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# At this point, 1 transaction is committed.
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SET DEBUG_SYNC= "now SIGNAL con1_loop_cont";
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SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
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# At this point, 2 transactions are committed.
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SELECT * FROM t1 ORDER BY a;
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connection con2;
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reap;
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# Now crash the server with 1+2 in-memory committed, 3 only prepared.
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connection default;
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system echo wait-group_commit_binlog_pos.test >> $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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SET SESSION debug_dbug="+d,crash_dispatch_command_before";
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--error 2006,2013
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SELECT 1;
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connection con1;
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--error 2006,2013
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reap;
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connection con3;
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--error 2006,2013
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reap;
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system echo restart-group_commit_binlog_pos.test >> $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
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connection default;
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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# Crash recovery should recover all three transactions.
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SELECT * FROM t1 ORDER BY a;
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# Check that the binlog position reported by InnoDB is the correct one
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# for the end of the second transaction (as can be checked with
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# mysqlbinlog).
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let $MYSQLD_DATADIR= `SELECT @@datadir`;
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let pos=`select $binlog_start_pos + 730`;
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--replace_result $pos <pos>
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--exec sed -ne 's/.*\(InnoDB: Last binlog file .* position.*\)/\1/p' $MYSQLD_DATADIR/../../log/mysqld.1.err | tail -1
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE t1;
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