chore: avoid returning error during computing binary comparison selec…

…tivity (#16725)
databendlabs · Oct 30, 2024 · af37d28 · af37d28
1 parent 00393c6
commit af37d28
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/query/sql/src/planner/optimizer/property/selectivity.rs b/src/query/sql/src/planner/optimizer/property/selectivity.rs
@@ -320,6 +320,10 @@ impl<'a> SelectivityEstimator<'a> {
         let col_hist = column_stat.histogram.as_ref();
 
         if col_hist.is_none() && const_datum.is_numeric() {
+            // If there is no histogram and the column isn't numeric, return default selectivity.
+            if !column_stat.min.is_numeric() {
+                return Ok(DEFAULT_SELECTIVITY);
+            }
             let min = column_stat.min.to_double()?;
             let max = column_stat.max.to_double()?;
             let ndv = column_stat.ndv;