Hannu Krosing wrote:
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>attnum is used internally to retrieve the data
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>
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Oops...
So if an additional column number is invented, it should not be a
logical column number, but a physical storage number for internal data
retrieval. This way, the "user interface" doesn't change, and all those
"SELECT ... FROM pg_attribute ORDER BY attnum" continue delivering the
expected result.
Regards,
Andreas