(arrow-datafusion) branch main updated: feat: ScalarValue from String (#8411)

[alamb]

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alamb pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/arrow-datafusion.git


The following commit(s) were added to refs/heads/main by this push:
     new 2e5ad7a3cb feat: ScalarValue from String (#8411)
2e5ad7a3cb is described below

commit 2e5ad7a3cb3b3f3e96f931b903eb8bb6639329ff
Author: Wei <async_zou...@outlook.com>
AuthorDate: Wed Dec 6 03:30:43 2023 +0800

    feat: ScalarValue from String (#8411)
    
    * feat: scalar from string
    
    * chore: cr comment
---
 datafusion/common/src/scalar.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/datafusion/common/src/scalar.rs b/datafusion/common/src/scalar.rs
index ef0edbd9e0..177fe00a6a 100644
--- a/datafusion/common/src/scalar.rs
+++ b/datafusion/common/src/scalar.rs
@@ -3065,6 +3065,12 @@ impl FromStr for ScalarValue {
     }
 }
 
+impl From<String> for ScalarValue {
+    fn from(value: String) -> Self {
+        ScalarValue::Utf8(Some(value))
+    }
+}
+
 impl From<Vec<(&str, ScalarValue)>> for ScalarValue {
     fn from(value: Vec<(&str, ScalarValue)>) -> Self {
         let (fields, scalars): (SchemaBuilder, Vec<_>) = value
@@ -4688,6 +4694,16 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_scalar_value_from_string() {
+        let scalar = ScalarValue::from("foo");
+        assert_eq!(scalar, ScalarValue::Utf8(Some("foo".to_string())));
+        let scalar = ScalarValue::from("foo".to_string());
+        assert_eq!(scalar, ScalarValue::Utf8(Some("foo".to_string())));
+        let scalar = ScalarValue::from_str("foo").unwrap();
+        assert_eq!(scalar, ScalarValue::Utf8(Some("foo".to_string())));
+    }
+
     #[test]
     fn test_scalar_struct() {
         let field_a = Arc::new(Field::new("A", DataType::Int32, false));