How to paging data in Distribution Bar Chart?

[wuwanjie]

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• I have checked the superset logs for python stacktraces and included it here as text if any
• I have reproduced the issue with at least the latest released version of superset
• I have checked the issue tracker for the same issue and I haven't found one similar

Superset version

0.15.4

Expected results

when i use Distribution Bar Chart，I just can row limit 50000.
can i paging data，every page just have 100 items,

Actual results

Steps to reproduce

[mistercrunch]

the reason why we limit to 50k is we don't want to crush people's browser, 50k is already pretty massive.

Who can look at 50k bars and make sense of them anyways? You may want to use ranges.

But to answer your question I believe you can bump ROW_LIMIT in your superset_config.py.

[wuwanjie]

I kown that browser will crush when loaded lots of datas. ROW_LIMIT just control top N items. It may be different from paging all items.

how to use ranges ? can you give me url.

[mistercrunch]

Use a calculated column with a CASE WHEN statement, as in CASE WHEN age <= 10 THEN '<10' WHEN age <= 20 THEN '10-20' ELSE '>20' END

[mistercrunch]

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