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a92f07f4bd
btr_cur_optimistic_insert(): Disregard DEBUG_DBUG injection to invoke btr_page_reorganize() if the page (and the table) is empty. Otherwise, an assertion would fail in btr_page_reorganize_low() because PAGE_MAX_TRX_ID is 0 in an empty secondary index leaf page.
34 lines
991 B
Text
34 lines
991 B
Text
#
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# Bug# 20005279 ASSERT !OTHER_LOCK, LOCK_MOVE_REORGANIZE_PAGE()
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#
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create table t1 (f1 int auto_increment primary key,
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f2 char(255)) engine=innodb;
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start transaction;
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commit;
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start transaction;
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select f1, f2 from t1 where f1 = 20 for update;
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f1 f2
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20 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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connect con1,localhost,root,,;
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select f1 from t1 where f1 = 20 for update;
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connection default;
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SET @save_dbug = @@debug_dbug;
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SET DEBUG_DBUG = '+d,do_page_reorganize,do_lock_reverse_page_reorganize';
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insert into t1(f2) values (repeat('+', 100));
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SET DEBUG = @save_dbug;
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Warnings:
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Warning 1287 '@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead
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commit;
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connection con1;
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f1
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20
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disconnect con1;
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connection default;
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drop table t1;
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#
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# MDEV-27993 Assertion failed in btr_page_reorganize_low()
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#
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CREATE TABLE t1(a INT PRIMARY KEY, b INT UNIQUE) ENGINE=InnoDB;
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SET DEBUG_DBUG = '+d,do_page_reorganize';
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INSERT INTO t1 VALUES(0,0);
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DROP TABLE t1;
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