GitHub user SukiSeven closed a discussion: Angle brackets < > in field values
are missing, and enabling RENDER COLUMNS IN HTML FORMAT slows down Superset
I found two related issues in Superset when working with MySQL data:
1.Field values with angle brackets are missing
- - In MySQL the value is:
<Buddhist Blue Duck-No Giblets><Keystone Katie> (HOFO,6hd, 6.0)
- - But in Superset it only shows:
(HOFO,6hd, 6.0)
<img width="1032" height="58" alt="image"
src="https://github.com/user-attachments/assets/96d6ffa8-489f-4820-8991-bdeeae8b76ae";
/>
This happens at row 144 — the <Buddhist Blue Duck-No Giblets> and <Keystone
Katie> parts are missing there. The problem is inconsistent: some <...>
fragments are preserved, others are hidden.
The text inside < > is missing (not all brackets are dropped, but some).
I have already enabled RENDER COLUMNS IN HTML FORMAT, but the issue still
happens.
Expected: Superset should display the text exactly as stored in MySQL,
including < >.
2.Performance issue after enabling HTML rendering
Previously, Superset did not have the RENDER COLUMNS IN HTML FORMAT option.
Our DevOps team added this feature by editing .tsx files and rebuilding the
image.
After rebuilding, Superset became noticeably slower when rendering tables.
Why would enabling this option and rebuilding cause such performance
degradation?
[@dosu](https://go.dosu.dev/dosubot)
GitHub link: https://github.com/apache/superset/discussions/35048
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