ktx-vaidehi
f8956f30c1
### **PR Type**
Bug fix
___
### **Description**
Handle missing or empty stream schemas
Fetch schema when absent or zero-length
Default to empty schema to avoid errors
Improve robustness of dashboard field loading
___
### Diagram Walkthrough
```mermaid
flowchart LR
UI["FieldList.vue"]
Check["Check stream.schema present and non-empty"]
Fetch["Fetch schema via loadStreamFields(name)"]
Validate["Validate schema not null/empty"]
Assign["Assign settings and schema"]
DefaultEmpty["Set stream.schema = [] and return"]
UI -- "iterate streams" --> Check
Check -- "missing or empty" --> Fetch
Fetch --> Validate
Validate -- "valid schema" --> Assign
Validate -- "invalid/empty" --> DefaultEmpty
```
<details> <summary><h3> File Walkthrough</h3></summary>
<table><thead><tr><th></th><th align="left">Relevant
files</th></tr></thead><tbody><tr><td><strong>Bug
fix</strong></td><td><table>
<tr>
<td>
<details>
<summary><strong>FieldList.vue</strong><dd><code>Robust schema presence
and fallback handling</code>
</dd></summary>
<hr>
web/src/components/dashboards/addPanel/FieldList.vue
<ul><li>Add check for empty <code>stream.schema</code> arrays<br> <li>
Fetch schema when missing or empty<br> <li> Guard against
undefined/empty fetched schema<br> <li> Default
<code>stream.schema</code> to <code>[]</code> on failure</ul>
</details>
</td>
<td><a
href="https://github.com/openobserve/openobserve/pull/8087/files#diff-a071c06e3e26629cb4ae4751450acc39c61fa49b07a1cc4be3711697829668d4">+10/-2</a>
</td>
</tr>
</table></td></tr></tr></tbody></table>
</details>
___
web
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