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[SPARK-52172] Add checkpoint and localCheckpoint for DataFrame #157

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[SPARK-52172] Add checkpoint and localCheckpoint for DataFrame #157

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[SPARK-52172] Add `checkpoint` and `localCheckpoint` for `DataFrame`
dongjoon-hyun May 15, 2025
1024edb
skip for Spark 3
dongjoon-hyun May 16, 2025
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18 changes: 11 additions & 7 deletions Tests/SparkConnectTests/DataFrameTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -484,20 +484,24 @@ struct DataFrameTests {
@Test
func checkpoint() async throws {
let spark = try await SparkSession.builder.getOrCreate()
// By default, reliable checkpoint location is required.
try await #require(throws: Error.self) {
try await spark.range(10).checkpoint()
if await spark.version >= "4.0.0" {
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I wonder why skipping Spark 3?

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Ya, I was also surprised with the failure at the first commit.
Spark Connect didn't support this feature until 4.0.0.

// By default, reliable checkpoint location is required.
try await #require(throws: Error.self) {
try await spark.range(10).checkpoint()
}
// Checkpointing with unreliable checkpoint
let df = try await spark.range(10).checkpoint(true, false)
#expect(try await df.count() == 10)
}
// Checkpointing with unreliable checkpoint
let df = try await spark.range(10).checkpoint(true, false)
#expect(try await df.count() == 10)
await spark.stop()
}

@Test
func localCheckpoint() async throws {
let spark = try await SparkSession.builder.getOrCreate()
#expect(try await spark.range(10).localCheckpoint().count() == 10)
if await spark.version >= "4.0.0" {
#expect(try await spark.range(10).localCheckpoint().count() == 10)
}
await spark.stop()
}

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