Peter Eisentraut <> writes:
> Alternative consideration: We could allow this in CSV format if we made
> users quote the first value if it starts with a BOM.  This might be a
> reasonable way to get MS compatibility.

I don't think we can get away with a retroactive restriction on the
contents of data files.

If we're going to do this at all, I still think an explicit BOM option
for COPY, to either eat (and require) a BOM on input or emit a BOM on
output, would be the sanest way.  None of the "automatic" approaches
seem safe to me.

                        regards, tom lane

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