Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/7551#discussion_r35072915
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java
---
@@ -365,6 +368,36 @@ public InternalRow copy() {
}
}
+ /**
+ * Write this UnsafeRow's underlying bytes to the given OutputStream.
+ *
+ * @param out the stream to write to.
+ * @param writeBuffer a byte array for buffering chunks of off-heap data
while writing to the
+ * output stream. If this row is backed by an on-heap
byte array, then this
+ * buffer will not be used and may be null.
+ */
+ public void writeToStream(OutputStream out, byte[] writeBuffer) throws
IOException {
+ if (baseObject instanceof byte[]) {
+ int offsetInByteArray = (int) (PlatformDependent.BYTE_ARRAY_OFFSET -
baseOffset);
+ out.write((byte[]) baseObject, offsetInByteArray, sizeInBytes);
--- End diff --
Yes; `OutputStream.write()` is a `void` method. It's `read` that you have
to be careful with.
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