fix: allow placeholders to be substited when coercible

datafusion/common/src/param_value.rs

@@ -68,7 +68,7 @@ impl ParamValues {
     pub fn get_placeholders_with_values(
         &self,
         id: &str,
-        data_type: Option<&DataType>,
+        _data_type: Option<&DataType>,
     ) -> Result<ScalarValue> {
         match self {
             ParamValues::List(list) => {
@@ -90,14 +90,6 @@ impl ParamValues {
                         "No value found for placeholder with id {id}"
                     ))
                 })?;
-                // check if the data type of the value matches the data type of the placeholder
-                if Some(&value.data_type()) != data_type {
-                    return _internal_err!(
-                        "Placeholder value type mismatch: expected {:?}, got {:?}",
-                        data_type,
-                        value.data_type()
-                    );
-                }
                 Ok(value.clone())
             }
             ParamValues::Map(map) => {
@@ -109,14 +101,6 @@ impl ParamValues {
                         "No value found for placeholder with name {id}"
                     ))
                 })?;
-                // check if the data type of the value matches the data type of the placeholder
-                if Some(&value.data_type()) != data_type {
-                    return _internal_err!(
-                        "Placeholder value type mismatch: expected {:?}, got {:?}",
-                        data_type,
-                        value.data_type()
-                    );
-                }
                 Ok(value.clone())
             }
         }