WaterKnight1998 edited a comment on issue #1777:
URL: https://github.com/apache/hudi/issues/1777#issuecomment-652446917
> @WaterKnight1998 It looks like this field `ts` is not there in the record.
Could you print the table schema ? Also which version of Hudi are you using ?
@bhasudha here you have. I don't understand pretty well how to store a
normal dataframe in Hudi. I don't understand the config of hudi, like recordkey
and precombine field.
```
root
|-- date: date (nullable = true)
|-- store: integer (nullable = true)
|-- item: integer (nullable = true)
|-- sales: float (nullable = true)
|-- sales_predicted: float (nullable = true)
|-- sales_predicted_upper: float (nullable = true)
|-- sales_predicted_lower: float (nullable = true)
|-- training_date: date (nullable = false)
```
My data does not have a primary key. However, i could combine
date,store,item to get one!
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