support NULL

apache · Aug 22, 2023 · c6f5144 · c6f5144
1 parent 8df5ba2
commit c6f5144
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/datafusion/physical-expr/src/array_expressions.rs b/datafusion/physical-expr/src/array_expressions.rs
@@ -988,6 +988,7 @@ macro_rules! general_repeat_list {
 
 /// Array_empty SQL function
 pub fn array_empty(args: &[ArrayRef]) -> Result<ArrayRef> {
+    println!("args[0]: {:?}", &args[0]);
     if args[0].as_any().downcast_ref::<NullArray>().is_some() {
         return Ok(args[0].clone());
     }
@@ -999,7 +1000,7 @@ pub fn array_empty(args: &[ArrayRef]) -> Result<ArrayRef> {
             if let Some(arr) = arr {
                 Some(arr.len() == arr.null_count())
             } else {
-                Some(true)
+                None
             }
         })
         .collect::<BooleanArray>();

diff --git a/datafusion/sqllogictest/test_files/array.slt b/datafusion/sqllogictest/test_files/array.slt
@@ -2395,7 +2395,7 @@ false
 false
 false
 false
-true
+NULL
 false
 false