Handling NULL values in Filters#825
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| df.timestamp += timedelta(hours=self.datasource.offset) | ||
| df.replace([np.inf, -np.inf], np.nan) | ||
| df = df.fillna(0) | ||
| df = df.fillna('NULL') |
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It seems like this main create some problems where there's missing data expected to be numeric. Ultimately we want javascript's reserved null in the json. Would df.fillna(None) work?
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df.fillna(None) threw an error 'must specify a fill method or value'
But I get your point - if ('NULL') is treated as true in javascript. we may need some similar handling in javascript (like value=='NULL'?value:null).
Side note - should this fillna be done only for Dimensions and skip Metrics ?
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@mistercrunch I've been testing lot of visualizations with this fix, no issues are found. |
This was referenced Dec 19, 2020
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Nov 17, 2021
After recent changes to chart controls in Superset, some typing has become obsolete. Let's clean it up.
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Nov 24, 2021
After recent changes to chart controls in Superset, some typing has become obsolete. Let's clean it up.
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Nov 25, 2021
After recent changes to chart controls in Superset, some typing has become obsolete. Let's clean it up.
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Nov 26, 2021
After recent changes to chart controls in Superset, some typing has become obsolete. Let's clean it up.
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As of now, we can not add Filter to express that value of dimension is NULL.
Adding null in filterbox is considered for searching for literal string 'NULL'.
Addresses Issue: #663
Also displaying NULL values as NULL (instead of 0) as per @x4base suggestion.