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f73ffd1150
page_delete_rec_list_end(): Do not attempt to scrub the data of
an empty record.
The test case would reproduce a debug assertion failure in branches
where commit 358921ce32 (MDEV-26938)
is present. MariaDB Server 10.6 only supports ascending indexes,
and in those, the empty string would always be sorted first, never
last in a page.
Nevertheless, we fix the bug also in 10.6, in case it would be
reproducible in a slightly different scenario.
Reviewed by: Thirunarayanan Balathandayuthapani
43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
--source include/have_innodb.inc
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--source include/have_sequence.inc
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--source include/have_debug.inc
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SET @save_debug=@@GLOBAL.INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG;
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SET @save_scrub=@@GLOBAL.INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED;
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SET GLOBAL INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED=1;
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SET GLOBAL INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=2;
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let $MYSQLD_DATADIR=`select @@datadir`;
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CREATE TABLE t1(f1 INT AUTO_INCREMENT PRIMARY KEY,
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f2 VARCHAR(256) GENERATED ALWAYS as('repairman'),
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INDEX idx(f2))ENGINE= InnoDB STATS_PERSISTENT=0;
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INSERT INTO t1(f1) SELECT seq FROM seq_1_to_50;
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FLUSH TABLE t1 FOR EXPORT;
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let SEARCH_PATTERN= repairman;
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let SEARCH_FILE= $MYSQLD_DATADIR/test/t1.ibd;
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-- source include/search_pattern_in_file.inc
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UNLOCK TABLES;
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ALTER TABLE t1 DROP INDEX idx;
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-- source include/wait_all_purged.inc
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FLUSH TABLE t1 FOR EXPORT;
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-- source include/search_pattern_in_file.inc
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UNLOCK TABLES;
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DROP TABLE t1;
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--echo #
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--echo # MDEV-37183 innodb_immediate_scrub_data_uncompressed=ON may break
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--echo # crash recovery
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--echo #
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SET GLOBAL innodb_limit_optimistic_insert_debug=0;
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# Note: MariaDB 10.6 fails to reproduce the crash; it maps DESC to ASC.
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CREATE TABLE t(a VARCHAR(1) PRIMARY KEY,INDEX(a DESC)) ENGINE=InnoDB;
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INSERT INTO t VALUES('2'),('1'),(''),('6'),('4'),('3');
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SET GLOBAL innodb_limit_optimistic_insert_debug=3;
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INSERT INTO t VALUES('8');
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CHECK TABLE t;
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SELECT COUNT(*) FROM t;
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DROP TABLE t;
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SET GLOBAL INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=@save_debug;
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SET GLOBAL INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED=@save_scrub;
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