Re: (ITS#7815) mdb cannot retrieve inserted word

[hyc@symas.com]

clayton.stangeland@gmail.com wrote:
> Full_Name: Clayton Stangeland
> Version: gitorious mdb 2014-02-19 e2bdd44624a525
> OS: Fedora 20 64 bit
> URL: http://www.strerror.com/mdb_bug_report/
> Submission from: (NULL) (192.94.73.31)
>
>
> DUPLICATE bug report. New URL: for data file
> http://www.strerror.com/mdb_bug_report/.
> You can use the 3 non tgz files or download the tgz file which includes all of
> them.

Thanks for the report. This is now fixed in mdb.master.

> I have a text file of words (words.txt). Each is 511 or less characters. When
> inserting them into the database there comes a point when I can no longer
> retrieve words that were successfully added with mdb_cursor_put.
>
> It should be put in the libraries/liblmdb directory. The Makefile has an added
> command at the end. So put that, words.txt, and word_test.c in liblmdb directory
> and run 'make words'.
>
> It will build and run a failing test. First it reads each line of words.txt.
> Then it inserts them with their index as the value into mdb. If you change count
> = 29523 on line 145 to be count = 29522 then it works. Inserting the next word
> causes it to fail.
>
> It doesn't fail at the insert but it fails later. When iterating the cursor the
> words are not in order and looking up individually not all words can be
> retrieved.
>
> Also, changing line 151 to set val.mv_data, and val.mv_size to a string version
> of i (the index, using sprintf), it works.
>
> This fails the same way on 64 bit Fedora and 64 bit Windows 7.
>
>


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