case class MinervaQueryReader(name: String, query: String, reader: DatasourceReader) extends IncrementalReader with Reader with Product with Serializable
Represents a MinervaQueryReader, a case class that extends the Reader trait.
- name
The name of the MinervaQueryReader.
- query
The query associated with this MinervaQueryReader.
- reader
The underlying DatasourceReader used to read data based on the MinervaQueryReader.
- Alphabetic
- By Inheritance
- MinervaQueryReader
- Serializable
- Serializable
- Product
- Equals
- Reader
- IncrementalReader
- AnyRef
- Any
- Hide All
- Show All
- Public
- All
Instance Constructors
-
new
MinervaQueryReader(name: String, query: String, reader: DatasourceReader)
- name
The name of the MinervaQueryReader.
- query
The query associated with this MinervaQueryReader.
- reader
The underlying DatasourceReader used to read data based on the MinervaQueryReader.
Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
def
clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native()
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
-
val
name: String
The name of the data reader.
The name of the data reader.
- Definition Classes
- MinervaQueryReader → Reader
-
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
-
def
persistIncrementalState(): Unit
Persists the incremental state if any.
Persists the incremental state if any.
- Definition Classes
- IncrementalReader
- val query: String
-
def
read(sparkSession: SparkSession): DataFrame
Reads data from the underlying DatasourceReader based on the MinervaQueryReader's configuration.
Reads data from the underlying DatasourceReader based on the MinervaQueryReader's configuration.
- sparkSession
The SparkSession to use for reading data.
- returns
A DataFrame containing the data read by the underlying DatasourceReader.
- Definition Classes
- MinervaQueryReader → Reader
-
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
- val reader: DatasourceReader
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native()