feat: improve legacy metadata and admin compatibility (#2202)

crates/filemeta/src/filemeta_inline.rs

@@ -181,6 +181,58 @@ impl InlineData {
 
         self.serialize(keys, values)
     }
+
+    pub fn remove_key(&mut self, key: &str) -> Result<bool> {
+        let buf = self.after_version();
+        if buf.is_empty() {
+            return Ok(false);
+        }
+
+        let mut cur = Cursor::new(buf);
+
+        let mut fields_len = rmp::decode::read_map_len(&mut cur)? as usize;
+        let mut keys = Vec::with_capacity(fields_len);
+        let mut values = Vec::with_capacity(fields_len);
+        let mut found = false;
+
+        while fields_len > 0 {
+            fields_len -= 1;
+
+            let str_len = rmp::decode::read_str_len(&mut cur)?;
+
+            let mut field_buff = vec![0u8; str_len as usize];
+
+            cur.read_exact(&mut field_buff)?;
+
+            let find_key = String::from_utf8(field_buff)?;
+
+            let bin_len = rmp::decode::read_bin_len(&mut cur)? as usize;
+            let start = cur.position() as usize;
+            let end = start + bin_len;
+            cur.set_position(end as u64);
+
+            if find_key == key {
+                found = true;
+                continue;
+            }
+
+            keys.push(find_key);
+            values.push(buf[start..end].to_vec());
+        }
+
+        if !found {
+            return Ok(false);
+        }
+
+        if keys.is_empty() {
+            self.0 = Vec::new();
+            return Ok(true);
+        }
+
+        self.serialize(keys, values)?;
+        Ok(true)
+    }
+
     pub fn remove(&mut self, remove_keys: Vec<Uuid>) -> Result<bool> {
         let buf = self.after_version();
         if buf.is_empty() {