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[SPARK-52063] Support newSession in SparkSession #121

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[SPARK-52063] Support newSession in SparkSession #121

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7 changes: 7 additions & 0 deletions Sources/SparkConnect/SparkSession.swift
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Expand Up @@ -46,6 +46,13 @@ public actor SparkSession {
/// The Spark version of Spark Connect Servier. This is supposed to be overwritten during establishing connections.
public var version: String = ""

/// Start a new session with isolated SQL configurations, temporary tables, registered functions
/// are isolated, but sharing the underlying `SparkContext` and cached data.
/// - Returns: a new ``SparkSession`` instance.
public func newSession() async throws -> SparkSession {
return try await SparkSession.builder.create()
}

func setVersion(_ version: String) {
self.version = version
}
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10 changes: 10 additions & 0 deletions Tests/SparkConnectTests/SparkSessionTests.swift
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Expand Up @@ -40,6 +40,16 @@ struct SparkSessionTests {
await spark.stop()
}

@Test
func newSession() async throws {
let spark = try await SparkSession.builder.getOrCreate()
await spark.stop()
let newSpark = try await spark.newSession()
#expect(newSpark != spark)
#expect(try await newSpark.range(1).count() == 1)
await newSpark.stop()
}

@Test func userContext() async throws {
let spark = try await SparkSession.builder.getOrCreate()
#if os(macOS) || os(Linux)
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