On/El 25/06/08 16:33, Frederick Cheung wrote/escribió:
> On 25 Jun 2008, at 14:58, Grant Croker wrote:
>> The crash occurs due to the looping/recursion as it eventually runs
>> out of stack space in the process. See http://en.pastebin.ca/raw/1055724
>> for the backtrace I get when running rake using --trace. You will
>> see from the log file that it continually loops against the
>> following 4 lines:
>> activerecord-2.1.0/lib/active_record/connection_adapters/
>> ingres_adapter.rb:398:in `quote'
>> activerecord-2.1.0/lib/active_record/connection_adapters/abstract/
>> schema_statements.rb:377:in `add_column_options!'
>> activerecord-2.1.0/lib/active_record/connection_adapters/abstract/
>> schema_definitions.rb:272:in `add_column_options!'
>> activerecord-2.1.0/lib/active_record/connection_adapters/abstract/
>> schema_definitions.rb:263:in `to_s'
>>
>
> Hmm, ColumnDefinition aliases to_s to to_sql (and then that calls
> through to add_column_options!, which calls through to
> add_column_options! on the adapter itself). Are you calling to_s on
> something you shouldn't be (perhaps as a debugging aid?)
>
>
I found the recursive problem - the ingres adapter method quote() makes
the following call to a trace function:
complete_trace(" in quote(#{value}, #{column}) ")
which goes to:
def complete_trace (msg)
if(PRINT_TRACES) then
puts "\n#{msg}\n"
end
end
commenting out that line allows the migration to carry on, at least it
creates the tables now.
It would appear that even when PRINT_TRACES == false that the msg
(quote(#{value}, #{column})) is being executed. Can you think of a
reason why that would be?
thanks
grant
--
Grant Croker - Ingres PHP, Ruby and Python maintainer
Mark Carwardine's role, essentially, was to be the one who knew what he
was talking about. My role, and one for which I was entirely qualified,
was to be an extremely ignorant non-zoologist to whom everything that
happened would come as a complete surprise.
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