[SPARK-49656][SS] Add support for state variables with value state collection types and read change feed options #48148
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…nd read change feed options
anishshri-db
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cc - @jingz-db @HeartSaVioR - PTAL, thx ! |
anishshri-db
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Sep 19, 2024
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDB.scala
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HeartSaVioR
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Sep 23, 2024
...rc/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala
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...rc/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala
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Thanks! Merging to master. |
attilapiros
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Oct 4, 2024
…llection types and read change feed options
### What changes were proposed in this pull request?
Add support for state variables with value state collection types and read change feed options
### Why are the changes needed?
Without this, we cannot support reading per key changes for state variables used with stateful processors.
### Does this PR introduce _any_ user-facing change?
Yes
Users can now query value state variables with the following query:
```
val changeFeedDf = spark.read
.format("statestore")
.option(StateSourceOptions.PATH, <checkpoint_loc>)
.option(StateSourceOptions.STATE_VAR_NAME, <state_var_name>)
.option(StateSourceOptions.READ_CHANGE_FEED, true)
.option(StateSourceOptions.CHANGE_START_BATCH_ID, 0)
.load()
```
### How was this patch tested?
Added unit tests
```
[info] Run completed in 17 seconds, 318 milliseconds.
[info] Total number of tests run: 2
[info] Suites: completed 1, aborted 0
[info] Tests: succeeded 2, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.
```
### Was this patch authored or co-authored using generative AI tooling?
No
Closes apache#48148 from anishshri-db/task/SPARK-49656.
Authored-by: Anish Shrigondekar <anish.shrigondekar@databricks.com>
Signed-off-by: Jungtaek Lim <kabhwan.opensource@gmail.com>
himadripal
pushed a commit
to himadripal/spark
that referenced
this pull request
Oct 19, 2024
…llection types and read change feed options
### What changes were proposed in this pull request?
Add support for state variables with value state collection types and read change feed options
### Why are the changes needed?
Without this, we cannot support reading per key changes for state variables used with stateful processors.
### Does this PR introduce _any_ user-facing change?
Yes
Users can now query value state variables with the following query:
```
val changeFeedDf = spark.read
.format("statestore")
.option(StateSourceOptions.PATH, <checkpoint_loc>)
.option(StateSourceOptions.STATE_VAR_NAME, <state_var_name>)
.option(StateSourceOptions.READ_CHANGE_FEED, true)
.option(StateSourceOptions.CHANGE_START_BATCH_ID, 0)
.load()
```
### How was this patch tested?
Added unit tests
```
[info] Run completed in 17 seconds, 318 milliseconds.
[info] Total number of tests run: 2
[info] Suites: completed 1, aborted 0
[info] Tests: succeeded 2, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.
```
### Was this patch authored or co-authored using generative AI tooling?
No
Closes apache#48148 from anishshri-db/task/SPARK-49656.
Authored-by: Anish Shrigondekar <anish.shrigondekar@databricks.com>
Signed-off-by: Jungtaek Lim <kabhwan.opensource@gmail.com>
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What changes were proposed in this pull request?
Add support for state variables with value state collection types and read change feed options
Why are the changes needed?
Without this, we cannot support reading per key changes for state variables used with stateful processors.
Does this PR introduce any user-facing change?
Yes
Users can now query value state variables with the following query:
How was this patch tested?
Added unit tests
Was this patch authored or co-authored using generative AI tooling?
No