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[SPARK-52151] DataFrameWriterV2.overwrite should handle condition #149

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[SPARK-52151] DataFrameWriterV2.overwrite should handle condition #149

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10 changes: 8 additions & 2 deletions Sources/SparkConnect/DataFrameWriterV2.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ public actor DataFrameWriterV2: Sendable {
/// output table.
/// - Parameter condition: A filter condition.
public func overwrite(condition: String) async throws {
try await executeWriteOperation(.overwrite)
try await executeWriteOperation(.overwrite, condition)
}

/// Overwrite all partition for which the ``DataFrame`` contains at least one row with the contents
Expand All @@ -120,7 +120,10 @@ public actor DataFrameWriterV2: Sendable {
try await executeWriteOperation(.overwritePartitions)
}

private func executeWriteOperation(_ mode: WriteOperationV2.Mode) async throws {
private func executeWriteOperation(
_ mode: WriteOperationV2.Mode,
_ overwriteCondition: String? = nil
) async throws {
var write = WriteOperationV2()

let plan = await self.df.getPlan() as! Plan
Expand All @@ -139,6 +142,9 @@ public actor DataFrameWriterV2: Sendable {
for property in self.tableProperties.toStringDictionary() {
write.tableProperties[property.key] = property.value
}
if let overwriteCondition {
write.overwriteCondition = overwriteCondition.toExpression
}
write.mode = mode

var command = Spark_Connect_Command()
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