I noticed that get_attidentity() isn't really necessary because the
information can be obtained from an existing tuple descriptor in each case.
Also, get_atttypmod() hasn't been used since 2004.
I propose the attached patches to remove these two functions.
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Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services