trait LogicalWriteInfo extends AnyRef
This interface contains logical write information that data sources can use when generating a
WriteBuilder.
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- @Evolving()
- Source
- LogicalWriteInfo.java
- Since
3.0.0
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- abstract def options(): CaseInsensitiveStringMap
the options that the user specified when writing the dataset
- abstract def queryId(): String
queryIdis a unique string of the query.queryIdis a unique string of the query. It's possible that there are many queries running at the same time, or a query is restarted and resumed.BatchWritecan use this id to identify the query. - abstract def schema(): StructType
the schema of the input data from Spark to data source.
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- def metadataSchema(): Optional[StructType]
the schema of the input metadata from Spark to data source.
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- def rowIdSchema(): Optional[StructType]
the schema of the ID columns from Spark to data source.
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- Deprecated
(Since version 9)