Hi,

I filed this issue as #1383 of ticket.

Thank you.

2011/8/28 Eloy Duran <eloy.de.en...@gmail.com>:
> In principle MRI is always right, so unless there's a comment or spec that 
> explains why we deviate it's a bug.
>
> Eloy
>
> On 24 aug. 2011, at 18:19, Steve Clarke wrote:
>
>> I want to use PostgreSQL with macruby.
>>
>> At first I couldn't make this work.  I eventually had some success and 
>> learned quite a lot on the way.  I'm not sure whether I found a bug in 
>> macruby but it certainly behaves differently from ruby 1.9.2-p290 installed 
>> from macports. The latter worked with postgres with no problems.
>>
>> My first try was with macruby 0.10 stable.  I couldn't get the pg gem 
>> (pg-0.11.0) to compile and eventually gave up.  There were lots of obscure 
>> errors which I regret I've not recorded.
>>
>> I then moved onto macruby 0.11 which I compiled from source that I checked 
>> out today.  pg-0.11.0 now compiled but when I tried to use postgres from my 
>> macruby test I aborted with a failed dynamic link to ENCODING_GET_INLINED.  
>> I soon realised this was another name for ENCODING_GET and I added the 
>> definition to macruby's encoding.h.
>>
>> I could now get as far as connecting to postgres and retrieving a result 
>> set.  However, as son as I tried to examine any of the values in the result 
>> set I aborted:
>>
>> Assertion failed: (idx >= 0 && idx < ENCODINGS_COUNT), function 
>> rb_enc_associate_index, file encoding.c, line 590.
>> Abort trap: 6
>>
>> I eventually found that pg was passing an idx of -1.  I modified the the pg 
>> code to prevent this happening and it now works fine, as far as I've gone.
>>
>> It seems to me that pg should not pass an index of -1.  ruby 1.9.2-p290 
>> however seems to accept it.  So who's right ?
>>
>> Hope this is of interest to someone.
>>
>> Steve
>>
>>
>>
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>
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