villebro commented on issue #13476:
URL: https://github.com/apache/superset/issues/13476#issuecomment-793978190
While the endpoint is pretty versatile, it's not really designed for `select
* from table` type queries. If you're using the chart data endpoint
programmatically, you can first fire off a query to get all columns in the
table like so:
```json
{
"datasource": {
"id": 1,
"type": "table"
},
"queries": [
{
"result_type": "columns"
}
]
}
```
This will render the following payload:
```json
{
"result": [
{
"data": [
{
"column_name": "source",
"verbose_name": null,
"dtype": 1
},
{
"column_name": "target",
"verbose_name": null,
"dtype": 1
},
{
"column_name": "value",
"verbose_name": null,
"dtype": 0
}
]
}
]
}
```
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