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- When creating an index for the sort, the number of rows plus 1 is used to allocate a buffer. In this test case, the number of rows 4294967295 is the max value of an unsigned integer, so when 1 was added to it, a buffer of size 0 was allocated causing the crash. - Create new test suite for this bug's test suite as per QA.
47 lines
1.5 KiB
Text
47 lines
1.5 KiB
Text
# The test for bug#27029 requires about 8 hours and 20 minutes on my
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# fastest machine. This test requires at least 60 GB of disk space.
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--source include/big_test.inc
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#
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# Bug#27029 alter table ... enable keys crashes mysqld on large table
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table `t1` (`c1` tinyint unsigned not null, key `c1` (`c1`))
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engine=myisam default charset=utf8;
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alter table `t1` disable keys;
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insert into t1 values (1),(2),(3),(4);
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1 limit 2147483647; #Insert 4294967295 rows.
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alter table t1 enable keys;
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drop table t1;
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