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If InnoDB is started in innodb_read_only mode such that recovered incomplete transactions exist at startup (but the redo logs are clean), an assertion will fail at shutdown, because there would exist some non-prepared transactions. logs_empty_and_mark_files_at_shutdown(): Do not wait for incomplete transactions to finish if innodb_read_only or innodb_force_recovery>=3. Wait for purge to finish in only one place. trx_sys_close(): Relax the assertion that would fail first. trx_free_prepared(): Also free recovered TRX_STATE_ACTIVE transactions if innodb_read_only or innodb_force_recovery>=3.
37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
--source include/have_innodb.inc
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# need to restart server
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--source include/not_embedded.inc
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--connect(con1, localhost, root)
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CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
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BEGIN;
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# Generate insert_undo log.
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INSERT INTO t VALUES(1),(2);
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# Generate update_undo log.
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DELETE FROM t WHERE a=2;
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--connection default
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--echo # Normal MariaDB shutdown would roll back the above transaction.
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--echo # We want the transaction to remain open, so we will kill the server
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--echo # after ensuring that any non-transactional files are clean.
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FLUSH TABLES;
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--echo # Ensure that the above incomplete transaction becomes durable.
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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BEGIN;
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INSERT INTO t VALUES(0);
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ROLLBACK;
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--let $restart_parameters= --innodb-force-recovery=3
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--source include/kill_and_restart_mysqld.inc
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--disconnect con1
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SELECT * FROM t;
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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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SELECT * FROM t;
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--let $restart_parameters= --innodb-read-only
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--source include/restart_mysqld.inc
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SELECT * FROM t;
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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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SELECT * FROM t;
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--let $restart_parameters=
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--source include/restart_mysqld.inc
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SELECT * FROM t;
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DROP TABLE t;
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