On 14/04/17 17:33, Peter Eisentraut wrote:
> On 4/14/17 08:49, Petr Jelinek wrote:
>>> Are we prepared to support different schemas in v10? Or should we
>>> disallow it for v10 and add a TODO?
>>>
>>
>> Ah nuts, yes it's supposed to be supported, we seem to not initialize
>> cstate->range_table in tablesync which causes this bug. The CopyState
>> struct is private to copy.c so we can't easily set cstate->range_table
>> externally. I wonder if tablesync should just construct CopyStmt instead
>> of calling the lower level API.
> 
> Maybe pass the range_table to BeginCopyFrom so that it can write it into
> cstate?
> 

That would work. The reason why I am thinking of creating CopyStmt
instead is that to create the range_table, we'll basically have to
duplicate the code from DoCopy verbatim. Obviously making CopyStmt isn't
without troubles either as it would have to newly support the callback
input.

-- 
  Petr Jelinek                  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services


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