Bug 889 - Odbc select corrupts strings longer than 126 symbols.
Summary: Odbc select corrupts strings longer than 126 symbols.
Alias: None
Product: Class Libraries
Classification: Mono
Component: System.Data ()
Version: 2.8.x
Hardware: PC Linux
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2011-09-19 04:29 UTC by imperec
Modified: 2018-02-22 22:36 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

Monodevelop solution for bur reproduction. (5.93 KB, application/zip)
2011-09-19 04:29 UTC, imperec

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Description imperec 2011-09-19 04:29:14 UTC
Created attachment 416 [details]
Monodevelop solution for bur reproduction.

OS: OpenSuse i586
Odbc select returns corrupted strings if they are longer then 126 symbols.
Reproduction code in attachement. 
Bug not presented in mono-data-2.8.1-36.1
Bug presented in mono-data-2.8.2-0.2.3 and newer versions till latest nightly builds of mono-data(2.11).
// Runing test case.
# mono StringBugTestCase.exe

// Check insert.
mysql> use test
Database changed
mysql> SELECT str FROM test WHERE str LIKE "%";
| str                                                                                                                                          |
| qwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiopqwertyuiop |
1 row in set (0.00 sec)
Comment 1 Marek Safar 2018-02-22 22:36:13 UTC
Mono 5.10 has significantly improved System.Data implementation which should resolve this issue. If you can still reproduce it please reopen the issue.