refactor: use serde in format validation match arm

Author: benjamin-awd

src/sinks/clickhouse/config.rs

@@ -282,15 +282,15 @@ impl ClickhouseConfig {
 
             // Validate that batch_encoding is only compatible with ArrowStream format
             if self.format != Format::ArrowStream {
+                let format_name = serde_json::to_value(&self.format)
+                    .ok()
+                    .and_then(|v| v.as_str().map(String::from))
+                    .unwrap_or_else(|| self.format.to_string());
+
                 return Err(format!(
                     "'batch_encoding' is only compatible with 'format: arrow_stream'. \
                          Found 'format: {}'.",
-                    match self.format {
-                        Format::JsonEachRow => "json_each_row",
-                        Format::JsonAsObject => "json_as_object",
-                        Format::JsonAsString => "json_as_string",
-                        Format::ArrowStream => "arrow_stream",
-                    }
+                    format_name
                 )
                 .into());
             }