Hi, PostgreSQL 8.1.5 have a problem with division by zero on sparc.
Solaris 9 sparc, gcc 4.0.2, 4.1.1: $ ./configure --enable-thread-safety --disable-nls --without-perl --without-python --without-krb5 --without-openssl --without-readline ... $ make && make check ... ======================= 1 of 98 tests failed. ======================= The differences that caused some tests to fail can be viewed in the file `./regression.diffs'. A copy of the test summary that you see above is saved in the file `./regression.out'. *** ./expected/errors.out Sat Feb 12 01:15:11 2005 --- ./results/errors.out Thu Nov 23 18:14:08 2006 *************** *** 300,308 **** select 1/0::int8; ERROR: division by zero select 1::int2/0; ! ERROR: division by zero select 1/0::int2; ! ERROR: division by zero select 1::numeric/0; ERROR: division by zero select 1/0::numeric; --- 300,310 ---- select 1/0::int8; ERROR: division by zero select 1::int2/0; ! ERROR: floating-point exception ! DETAIL: An invalid floating-point operation was signaled. This probably means an out-of-range result or an invalid operation, such as division by zero. select 1/0::int2; ! ERROR: floating-point exception ! DETAIL: An invalid floating-point operation was signaled. This probably means an out-of-range result or an invalid operation, such as division by zero. select 1::numeric/0; ERROR: division by zero select 1/0::numeric; ====================================================================== Thanks a lot! -- Alex Deiter ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match