Commit3e6eb0d

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Fix division by zero in the new range type histogram creation.

Report and analysis by Matthias.

1 parenta66fca3 commit3e6eb0dCopy full SHA for 3e6eb0d

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Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,10 @@ compute_range_stats(VacAttrStats *stats, AnalyzeAttrFetchFunc fetchfunc,`
`158`	`158`	`/* Must copy the target values into anl_context */`
`159`	`159`	`old_cxt=MemoryContextSwitchTo(stats->anl_context);`
`160`	`160`
`161`		`-if (non_empty_cnt>0)`
	`161`	`+/*`
	`162`	`+ * Generate a histogram slot entry if there are at least two values.`
	`163`	`+ */`
	`164`	`+if (non_empty_cnt >=2)`
`162`	`165`	`{`
`163`	`166`	`/* Sort bound values */`
`164`	`167`	`qsort_arg(lowers,non_empty_cnt,sizeof(RangeBound),`

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