streamWriter
Returns a DataSourceStreamWriter instance for writing data into a streaming sink.
The implementation is required for writable streaming data sources.
Syntax
streamWriter(schema: StructType, overwrite: bool)
Parameters
Parameter | Type | Description |
|---|---|---|
| StructType | The schema of the data to be written. |
| bool | A flag indicating whether to overwrite existing data when writing the current microbatch. |
Returns
DataSourceStreamWriter
A writer instance for writing data into a streaming sink.