Yes, I have my extension for this
http://sqlite.mobigroup.ru/dir?name=ext/murmurhash

But I think the feature will be very helpful as core function.

2011/3/6 Enrico Thierbach <e...@open-lab.org>:
>
> On 06.03.2011, at 14:22, Alexey Pechnikov wrote:
>
>> Sqlite does not has ability to compress indices. There is huge
>> performance problem with populating a database with indexed
>> text or blob fields. But we can emulate indices compression
>> by using index on hashed field (and populate the hash field by
>> trigger as example). I think one or more hash functions may be
>> included into core SQLite.
>>
>> Note: I use the public domain licensed murmur hash algorithm
>> (as extension) but this need custom build of SQLite or external
>> extension.
>>
>> Does anybody has the same problem?
>>
>
> Hey Alexey,
>
> couldn't you just define any hash function you like using SQLite's interface 
> as outlined here?
>
> http://www.sqlite.org/c3ref/create_function.html
>
> /eno
>
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>



-- 
Best regards, Alexey Pechnikov.
http://pechnikov.tel/
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