Hi, Per Coverity.
If has 0 full groups, "we don't need to do anything" and need goes to next. Otherwise a integer division by zero, can raise. comments extracted trom explain.c: /* * Since we never have any prefix groups unless we've first sorted * a full groups and transitioned modes (copying the tuples into a * prefix group), we don't need to do anything if there were 0 full * groups. */ regards, Ranier Vilela
fix_division_by_zero_explain.patch
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