Hi all;

I'm migrating an application from MySQL to PostgreSQL and I'm hitting cases 
where my lengthy model names are triggering index names that are too long 
for PostgreSQL:

-- add_index("document_other_related_instruments", ["document_id"], 
{:name=>"index_document_other_related_instruments_on_document_id"})
   -> 0.0019s
-- add_index("document_other_related_instruments", 
["other_related_instrument_id"], {:name=>"
index_document_other_related_instruments_on_other_related_instru"})
rake aborted!
Index name 
'index_document_other_related_instruments_on_other_related_instru' on table 
'document_other_related_instruments' is too long; the limit is 63 characters

The generated index name is being truncated at 64 characters long instead 
of 63 - perhaps Hobo is missing the truncation by one character? I will 
investigate for a bug. 

If it's not a bug, can anyone tell me how to override the hobo-generated 
index name? I can see how to do it within a Rails migration, but I don't 
see any reference to controlling the migrations that Hobo generates in the 
Hobo Manual, and this 
thread<https://groups.google.com/d/topic/hobousers/CzVCrHNkXoA/discussion>hasn't
 had any followup since 2009. 

Many thanks,
Tim

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