Package org.apache.spark.sql.sources
Interface StreamSourceProvider
- All Known Subinterfaces:
SupportsStreamSourceMetadataColumns
public interface StreamSourceProvider
::Experimental::
Implemented by objects that can produce a streaming
Source
for a specific format or system.
- Since:
- 2.0.0
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Method Summary
Modifier and TypeMethodDescriptionorg.apache.spark.sql.execution.streaming.Source
createSource
(SQLContext sqlContext, String metadataPath, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) scala.Tuple2<String,
StructType> sourceSchema
(SQLContext sqlContext, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) Returns the name and schema of the source that can be used to continually read data.
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Method Details
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createSource
org.apache.spark.sql.execution.streaming.Source createSource(SQLContext sqlContext, String metadataPath, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) - Parameters:
sqlContext
- (undocumented)metadataPath
- (undocumented)schema
- (undocumented)providerName
- (undocumented)parameters
- (undocumented)- Returns:
- (undocumented)
- Since:
- 2.0.0
-
sourceSchema
scala.Tuple2<String,StructType> sourceSchema(SQLContext sqlContext, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) Returns the name and schema of the source that can be used to continually read data.- Parameters:
sqlContext
- (undocumented)schema
- (undocumented)providerName
- (undocumented)parameters
- (undocumented)- Returns:
- (undocumented)
- Since:
- 2.0.0
-