abandy commented on code in PR #45029:
URL: https://github.com/apache/arrow/pull/45029#discussion_r2072409575
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swift/Arrow/Sources/Arrow/ArrowReader.swift:
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@@ -216,7 +216,67 @@ public class ArrowReader { // swiftlint:disable:this
type_body_length
return .success(RecordBatch(arrowSchema, columns: columns))
}
- public func fromStream( // swiftlint:disable:this function_body_length
+ public func fromMemoryStream( // swiftlint:disable:this
function_body_length
+ _ fileData: Data,
+ useUnalignedBuffers: Bool = false
+ ) -> Result<ArrowReaderResult, ArrowError> {
+ let result = ArrowReaderResult()
+ var offset: Int = 0
+ var length = getUInt32(fileData, offset: offset)
+ var streamData = fileData
+ var schemaMessage: org_apache_arrow_flatbuf_Schema?
+ while length != 0 {
+ if length == CONTINUATIONMARKER {
+ offset += Int(MemoryLayout<Int32>.size)
Review Comment:
I will change offset += Int(MemoryLayout<Int32>.size) to offset +=
Int(MemoryLayout<UInt32>.size). The variable offset is an Int due to the
parameter type in the call to the buffers loadUnaligned.
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