castKafkaStreamAsString: Connect to a Spark session
In analysisPipelines: Compose Interoperable Analysis Pipelines & Put Them in Production
Description
Usage
Arguments
Details
Value
See Also
View source: R/spark-structured-streaming-utilities.R
Description
Connect to a Spark session
Usage
1
castKafkaStreamAsString(streamObj)
Arguments
streamObj
Spark Structured Streaming DataFrame returned by read.stream function with source = 'kafka'
Details
Takes in a Structured Stream from Kafka created from read.stream(source = 'kafka', ...) and returns
a Structured Streaming DataFrame where the key and value from the Kafka stream are cast to string
Value
Updated Spark Structured Streaming DataFrame with key, value, topic and timestamp from the Kafka stream
See Also
Other Spark utilities: convertKafkaValueFromJson,
sparkRSessionCreateIfNotPresent
analysisPipelines documentation built on July 1, 2020, 7:09 p.m.
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Description Usage Arguments Details Value See Also
View source: R/spark-structured-streaming-utilities.R
Description
Connect to a Spark session
Usage
1 | castKafkaStreamAsString(streamObj)
|
Arguments
streamObj |
Spark Structured Streaming DataFrame returned by |
Details
Takes in a Structured Stream from Kafka created from read.stream(source = 'kafka', ...) and returns
a Structured Streaming DataFrame where the key and value from the Kafka stream are cast to string
Value
Updated Spark Structured Streaming DataFrame with key, value, topic and timestamp from the Kafka stream
See Also
Other Spark utilities: convertKafkaValueFromJson,
sparkRSessionCreateIfNotPresent
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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