When was the ECPG function PGTYPEStimestamp_add_interval added to ECPG? 
My school has a server for student assignments and demonstrations with SunOS 
5.9, PostgreSQL 7.4.8, ECPG 3.1.1, and GCC 3.4.6. In the documentation linked 
below, I can see that
that function goes back as far as PostgreSQL 8.2. Is it in version 7.4.8?

        When I try to compile (with gcc -o roomboss -g -I 
/usr/local/pgsql/include/ roomboss.c -lecpg -lpq -lpgtypes), GCC says 
PGTYPEStimestamp_add_interval is an undefined symbol, and has a symbol 
referencing error. On my own machine, where I have
current versions of everything, I can compile fine.

        I may ask the server administrator if he can upgrade PostgreSQL or 
ECPG. Where can I find out what that might break? Would it not be backwards 
compatible with some programs written to compile under the older version of 
PostgreSQL and ECPG?

Here is documentation on the function: 
http://www.google.com/search?q=site:www.postgresql.org+PGTYPEStimestamp_add_interval&hl=en&safe=off&filter=0

     ~ Paul Nickerson


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