docs(arrays): document behavior of unnest in the presence of empty ar…

…ray rows
ibis-project · Nov 29, 2023 · 5526c40 · 5526c40
1 parent 5e508b5
commit 5526c40
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ibis/expr/types/arrays.py b/ibis/expr/types/arrays.py
@@ -268,7 +268,7 @@ def unnest(self) -> ir.Value:
         """Flatten an array into a column.
 
         ::: {.callout-note}
-        ## This operation changes the cardinality of the result
+        ## Rows with empty arrays are dropped in the output.
         :::
 
         Examples