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# The test verifies a few server/engine recovery option combinations.
# Specifically, MDEV-13437,13438 are concerned with no crashes
# due to InnoDB being read-only during --tc-heuristic-recover=ROLLBACK|COMMIT.
#
# Initially the test commits a transaction and in the following proceeds
# throughout some phases.
# Within them the server is shut down and attempted to restart, to succeed
# that in the end.
# All this proves no crashes and effective rollback of the transaction.
#
--source include/have_innodb.inc
# The test logic really requires --log-bin.
--source include/have_binlog_format_mixed.inc
--source include/have_debug_sync.inc
--source include/not_embedded.inc
call mtr.add_suppression("Can't init tc log");
call mtr.add_suppression("Found 1 prepared transactions!");
call mtr.add_suppression("Aborting");
# Now take a shapshot of the last time server options.
#
# The "restart" expect-file facility can't be engaged because the server
# having conflicting options may not succeed to boot up.
--let SEARCH_FILE=$MYSQLTEST_VARDIR/log/mysqld.1.err
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
FLUSH TABLES; # we need the table post crash-restart, see MDEV-8841.
# Run transaction in a separate "prey" connection
--connect (con1,localhost,root,,)
# The signal won't arrive though
set debug_sync='ha_commit_trans_after_prepare WAIT_FOR go';
--send INSERT INTO t1 VALUES (1);
--connection default
--let $table= information_schema.processlist
--let $where= where state = 'debug sync point: ha_commit_trans_after_prepare'
--let $wait_condition= SELECT count(*) = 1 FROM $table $where
--source include/wait_condition.inc
--echo # Prove that no COMMIT or ROLLBACK occurred yet.
SELECT * FROM t1;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT * FROM t1;
# TODO: MDEV-12700 Allow innodb_read_only startup without prior slow shutdown.
--source include/kill_mysqld.inc
--error 1
--exec $MYSQLD_LAST_CMD --log-bin=master-bin --binlog-format=mixed --core-file --loose-debug-sync-timeout=300 --innodb-force-recovery=4
--let SEARCH_PATTERN= was in the XA prepared state
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Found 1 prepared transactions!
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= \\[ERROR\\] Can\\'t init tc log
--source include/search_pattern_in_file.inc
--error 1
--exec $MYSQLD_LAST_CMD --log-bin=master-bin --binlog-format=mixed --core-file --loose-debug-sync-timeout=300 --innodb-force-recovery=4 --tc-heuristic-recover=COMMIT
--let SEARCH_PATTERN= was in the XA prepared state
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Found 1 prepared transactions!
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= \\[ERROR\\] Can\\'t init tc log
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Please restart mysqld without --tc-heuristic-recover
--source include/search_pattern_in_file.inc
--error 1
--exec $MYSQLD_LAST_CMD --log-bin=master-bin --binlog-format=mixed --core-file --loose-debug-sync-timeout=300 --tc-heuristic-recover=ROLLBACK
--let SEARCH_PATTERN= was in the XA prepared state
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Found 1 prepared transactions!
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= \\[ERROR\\] Can\\'t init tc log
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Please restart mysqld without --tc-heuristic-recover
--source include/search_pattern_in_file.inc
--source include/start_mysqld.inc
--let SEARCH_PATTERN= was in the XA prepared state
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= Found 1 prepared transactions!
--source include/search_pattern_in_file.inc
SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
SELECT * FROM t1;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT * FROM t1;
#
# Cleanup
#
DROP TABLE t1;
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