HeartSaVioR commented on a change in pull request #24990: [SPARK-28191][SS] New data source - state - reader part URL: https://github.com/apache/spark/pull/24990#discussion_r406517786
########## File path: sql/core/src/main/resources/META-INF/services/org.apache.spark.sql.sources.DataSourceRegister ########## @@ -5,6 +5,7 @@ org.apache.spark.sql.execution.datasources.noop.NoopDataSource org.apache.spark.sql.execution.datasources.orc.OrcFileFormat org.apache.spark.sql.execution.datasources.v2.parquet.ParquetDataSourceV2 org.apache.spark.sql.execution.datasources.v2.text.TextDataSourceV2 +org.apache.spark.sql.execution.datasources.v2.state.StateDataSourceV2 Review comment: "state" is the one of the "terms" of "structured streaming" (not actually tied to structured streaming but tied to recent streaming technology). It's being created and used from structured streaming, but there're some cases we want to modify the state "outside" of the streaming query, like changing schema, repartitioning, etc. This data source will allow "batch query" to do it. (So the data source is not even designed to use from streaming query by intention.) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
