2012/9/13 Alvaro Herrera <alvherre@2ndquadrant.com>:
> Excerpts from Etsuro Fujita's message of jue sep 13 06:13:26 -0300 2012:
>> I'd like to add the following options to the SQL COPY command and the psql \copy
>> instruction:
>>
>> * PREPROCESSOR: Specifies the user-supplied program for COPY IN. The data
>> from an input file is preprocessed by the program before the data is loaded into
>> a postgres table.
>> * POSTPROCESSOR: Specifies the user-supplied program for COPY OUT. The data
>> from a postgres table is postprocessed by the program before the data is stored
>> in an output file.
>
> External programs? I don't like the sound of that; there all kinds of
> open questions, security concerns, and process management problems.
> What if the pre- and postprocessors were functions instead?
+1
this can be solved via pipe and outer processes
Pavel
>
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