[SPARK-43474] [SS] [CONNECT] Add SessionHolder to SparkConnectPlanner #41618
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rangadi
commented
Jun 16, 2023
| extends Exception(message, cause) | ||
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| class SparkConnectPlanner(val session: SparkSession) extends Logging { | ||
| class SparkConnectPlanner(val sessionHolder: SessionHolder) extends Logging { |
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This is the main change. The rest of the changes are consequence of API change.
@grundprinzip, @HyukjinKwon PTAL.
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I believe it needs some reviews @vicennial and/or @hvanhovell
grundprinzip
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Jun 16, 2023
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Thanks for doing this refactoring!
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| def transform(rel: proto.Relation): logical.LogicalPlan = { | ||
| new SparkConnectPlanner(spark).transformRelation(rel) | ||
| new SparkConnectPlanner(SessionHolder.forTesting(spark)).transformRelation(rel) |
HyukjinKwon
approved these changes
Jun 16, 2023
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Merging. |
czxm
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Jun 19, 2023
### What changes were proposed in this pull request? This adds SessionHolder rather than just SparkSession to `SparkConnectPlanner`. This is to allow access to session specific state at connect server level. Note that this is Spark-Connect specific session state, and is not stored with SparkSession. E.g. * Mapping from _dataframe reference id_ to actual dataframe in apache#41580 * File and archives stored with session in apache#41495 ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? - Existing unit tests. Closes apache#41618 from rangadi/session-holder. Authored-by: Raghu Angadi <[email protected]> Signed-off-by: Herman van Hovell <[email protected]>
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Thanks for the refactoring! |
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What changes were proposed in this pull request?
This adds SessionHolder rather than just SparkSession to
SparkConnectPlanner. This is to allow access to session specific state at connect server level. Note that this is Spark-Connect specific session state, and is not stored with SparkSession.E.g.
Does this PR introduce any user-facing change?
No.
How was this patch tested?