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5a58935cb9
The issue is introduced by "MDEV-28699: Shrink temporary tablespaces without restart". SRV_FORCE_NO_LOG_REDO forces server to read only mode and we don't initialize temporary tablespace in read only mode. solution: innodb_truncate_temporary_tablespace_now should be no-op in read only mode.
51 lines
1.3 KiB
Text
51 lines
1.3 KiB
Text
connect con1, localhost, root;
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CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t VALUES(1);
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BEGIN;
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INSERT INTO t VALUES(2);
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DELETE FROM t WHERE a=2;
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connection default;
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# Normal MariaDB shutdown would roll back the above transaction.
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# We want the transaction to remain open, so we will kill the server
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# after ensuring that any non-transactional files are clean.
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FLUSH TABLES;
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# 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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DELETE FROM t WHERE a=0;
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COMMIT;
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# restart: --innodb-force-recovery=3
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disconnect con1;
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SELECT * FROM t;
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a
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1
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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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SELECT * FROM t;
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a
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1
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UPDATE t SET a=3 WHERE a=1;
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# restart: --innodb-read-only
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# Starting with MariaDB 10.2, innodb_read_only implies READ UNCOMMITTED.
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# In earlier versions, this would return the last committed version
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# (empty table)!
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SHOW VARIABLES LIKE "innodb_read_only";
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Variable_name Value
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innodb_read_only ON
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SELECT * FROM t;
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a
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3
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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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SELECT * FROM t;
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a
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3
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SET GLOBAL innodb_max_purge_lag_wait=0;
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INSERT INTO mysql.innodb_index_stats
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SELECT * FROM mysql.innodb_index_stats LIMIT 0;
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Test Temp tablespace truncate in read only mode
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SET GLOBAL innodb_truncate_temporary_tablespace_now=1;
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# restart
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SELECT * FROM t;
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a
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3
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DROP TABLE t;
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