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| author | Ramil Kalimullin <ramil@mysql.com> | 2010-01-29 13:17:57 +0400 |
|---|---|---|
| committer | Ramil Kalimullin <ramil@mysql.com> | 2010-01-29 13:17:57 +0400 |
| commit | 172af3722ef34876f5e33bdf63c10d46573a2864 (patch) | |
| tree | 84dfec8ca6db5f95bf5e4bc26159146943c1c829 /mysql-test/std_data/server8k-cert.pem | |
| parent | b13ed2975d2c7be450596b429020b0b91af1dbf9 (diff) | |
| download | mariadb-git-172af3722ef34876f5e33bdf63c10d46573a2864.tar.gz | |
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
column is used for ORDER BY
Problem: filesort isn't meant for null length sort data
(e.g. char(0)), that leads to a server crash.
Fix: disregard sort order if sort data record length is 0 (nothing
to sort).
mysql-test/r/select.result:
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
column is used for ORDER BY
- test result.
mysql-test/t/select.test:
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
column is used for ORDER BY
- test case.
sql/filesort.cc:
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
column is used for ORDER BY
- assert added as filesort cannot handle null length sort data.
sql/sql_select.cc:
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
column is used for ORDER BY
- don't sort null length data e.g. in case of ORDER BY CHAR(0).
Diffstat (limited to 'mysql-test/std_data/server8k-cert.pem')
0 files changed, 0 insertions, 0 deletions