trait DatasourceReader extends IncrementalReader with Reader
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abstract
val
name: String
The name of the data reader.
The name of the data reader.
- Definition Classes
- Reader
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abstract
def
read(sparkSession: SparkSession): DataFrame
Reads data and returns it as a DataFrame using the provided SparkSession.
Reads data and returns it as a DataFrame using the provided SparkSession.
- sparkSession
The SparkSession to use for reading data.
- returns
A DataFrame containing the data read by the reader.
- Definition Classes
- Reader
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final
def
!=(arg0: Any): Boolean
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def
persistIncrementalState(): Unit
Persists the incremental state if any.
Persists the incremental state if any.
- Definition Classes
- IncrementalReader
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def
readIncremental(df: DataFrame, incremental: Option[Incremental]): DataFrame
Reads data from a DataFrame with optional incremental settings.
Reads data from a DataFrame with optional incremental settings.
- df
The DataFrame to read data from.
- incremental
Optional Incremental settings to apply.
- returns
A new DataFrame after applying incremental settings if provided, otherwise the original DataFrame.
- Definition Classes
- IncrementalReader
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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