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Re: Performance of ByteA: ascii vs binary

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On 3/21/19 6:49 AM, Tom Lane wrote:
"Peter J. Holzer" <hjp-pgsql@xxxxxx> writes:
On 2019-03-20 13:20:57 +0100, Thomas Güttler wrote:
Strange. I saw a big difference.
What did you test?
I tested inserts.

The graph with the quantiles was for selects.

Hmm, so there are two different code paths being considered here
-- the OP is apparently talking about the speed of bytea_in,
while the rest of us have been thinking about bytea_out.

The question about whether the text representation is hex or
"escape" style still applies, though.

Yes, it would be nice to see the test code.


			regards, tom lane




--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx




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